1 # SOME DESCRIPTIVE TITLE
2 # Copyright (C) YEAR Free Software Foundation, Inc.
3 # This file is distributed under the same license as the PACKAGE package.
4 # FIRST AUTHOR <EMAIL@ADDRESS>, YEAR.
8 "Project-Id-Version: PACKAGE VERSION\n"
9 "POT-Creation-Date: 2012-04-25 05:36+0900\n"
10 "PO-Revision-Date: 2012-04-27 04:36+0900\n"
11 "Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
12 "Language-Team: LANGUAGE <LL@li.org>\n"
15 "Content-Type: text/plain; charset=UTF-8\n"
16 "Content-Transfer-Encoding: 8bit\n"
19 #: build/C/man7/aio.7:24
25 #: build/C/man7/aio.7:24 build/C/man3/aio_fsync.3:23
26 #: build/C/man3/aio_suspend.3:24 build/C/man3/aio_write.3:23
32 #: build/C/man7/aio.7:24 build/C/man3/aio_init.3:24
33 #: build/C/man2/io_cancel.2:23 build/C/man2/io_destroy.2:23
34 #: build/C/man2/io_getevents.2:23 build/C/man2/io_setup.2:23
35 #: build/C/man2/io_submit.2:23
41 #: build/C/man7/aio.7:24 build/C/man3/aio_cancel.3:23
42 #: build/C/man3/aio_error.3:23 build/C/man3/aio_fsync.3:23
43 #: build/C/man3/aio_init.3:24 build/C/man3/aio_read.3:23
44 #: build/C/man3/aio_return.3:23 build/C/man3/aio_suspend.3:24
45 #: build/C/man3/aio_write.3:23 build/C/man2/io_cancel.2:23
46 #: build/C/man2/io_destroy.2:23 build/C/man2/io_getevents.2:23
47 #: build/C/man2/io_setup.2:23 build/C/man2/io_submit.2:23
48 #: build/C/man3/lio_listio.3:23
50 msgid "Linux Programmer's Manual"
51 msgstr "Linux Programmer's Manual"
54 #: build/C/man7/aio.7:25 build/C/man3/aio_cancel.3:24
55 #: build/C/man3/aio_error.3:24 build/C/man3/aio_fsync.3:24
56 #: build/C/man3/aio_init.3:25 build/C/man3/aio_read.3:24
57 #: build/C/man3/aio_return.3:24 build/C/man3/aio_suspend.3:25
58 #: build/C/man3/aio_write.3:24 build/C/man2/io_cancel.2:24
59 #: build/C/man2/io_destroy.2:24 build/C/man2/io_getevents.2:24
60 #: build/C/man2/io_setup.2:24 build/C/man2/io_submit.2:24
61 #: build/C/man3/lio_listio.3:24
67 #: build/C/man7/aio.7:27
68 msgid "aio - POSIX asynchronous I/O overview"
72 #: build/C/man7/aio.7:27 build/C/man3/aio_cancel.3:32
73 #: build/C/man3/aio_error.3:32 build/C/man3/aio_fsync.3:32
74 #: build/C/man3/aio_init.3:36 build/C/man3/aio_read.3:32
75 #: build/C/man3/aio_return.3:32 build/C/man3/aio_suspend.3:38
76 #: build/C/man3/aio_write.3:32 build/C/man2/io_cancel.2:42
77 #: build/C/man2/io_destroy.2:40 build/C/man2/io_getevents.2:43
78 #: build/C/man2/io_setup.2:40 build/C/man2/io_submit.2:41
79 #: build/C/man3/lio_listio.3:35
85 #: build/C/man7/aio.7:35
87 "The POSIX asynchronous I/O (AIO) interface allows applications to initiate "
88 "one or more I/O operations that are performed asynchronously (i.e., in the "
89 "background). The application can elect to be notified of completion of the "
90 "I/O operation in a variety of ways: by delivery of a signal, by "
91 "instantiation of a thread, or no notification at all."
95 #: build/C/man7/aio.7:37
96 msgid "The POSIX AIO interface consists of the following functions:"
100 #: build/C/man7/aio.7:37
102 msgid "B<aio_read>(3)"
103 msgstr "B<aio_read>(3)"
106 #: build/C/man7/aio.7:42
107 msgid "Enqueue a read request. This is the asynchronous analog of B<read>(2)."
111 #: build/C/man7/aio.7:42
113 msgid "B<aio_write>(3)"
114 msgstr "B<aio_write>(3)"
117 #: build/C/man7/aio.7:47
119 "Enqueue a write request. This is the asynchronous analog of B<write>(2)."
123 #: build/C/man7/aio.7:47
125 msgid "B<aio_fsync>(3)"
126 msgstr "B<aio_fsync>(3)"
129 #: build/C/man7/aio.7:54
131 "Enqueue a sync request for the I/O operations on a file descriptor. This is "
132 "the asynchronous analog of B<fsync>(2) and B<fdatasync>(2)."
136 #: build/C/man7/aio.7:54
138 msgid "B<aio_error>(3)"
139 msgstr "B<aio_error>(3)"
142 #: build/C/man7/aio.7:57
143 msgid "Obtain the error status of an enqueued I/O request."
147 #: build/C/man7/aio.7:57
149 msgid "B<aio_return>(3)"
150 msgstr "B<aio_return>(3)"
153 #: build/C/man7/aio.7:60
154 msgid "Obtain the return status of a completed I/O request."
158 #: build/C/man7/aio.7:60
160 msgid "B<aio_suspend>(3)"
161 msgstr "B<aio_suspend>(3)"
164 #: build/C/man7/aio.7:64
166 "Suspend the caller until one or more of a specified set of I/O requests "
171 #: build/C/man7/aio.7:64
173 msgid "B<aio_cancel>(3)"
174 msgstr "B<aio_cancel>(3)"
177 #: build/C/man7/aio.7:68
179 "Attempt to cancel outstanding I/O requests on a specified file descriptor."
183 #: build/C/man7/aio.7:68
185 msgid "B<lio_listio>(3)"
186 msgstr "B<lio_listio>(3)"
189 #: build/C/man7/aio.7:71
190 msgid "Enqueue multiple I/O requests using a single function call."
194 #: build/C/man7/aio.7:78
196 "The I<aiocb> (\"asynchronous I/O control block\") structure defines "
197 "parameters that control an I/O operation. An argument of this type is "
198 "employed with all of the functions listed above. This structure has the "
203 #: build/C/man7/aio.7:82
205 msgid "#include E<lt>aiocb.hE<gt>\n"
206 msgstr "#include E<lt>aiocb.hE<gt>\n"
209 #: build/C/man7/aio.7:85
213 " /* The order of these fields is implementation-dependent */\n"
217 #: build/C/man7/aio.7:94
220 " int aio_fildes; /* File descriptor */\n"
221 " off_t aio_offset; /* File offset */\n"
222 " volatile void *aio_buf; /* Location of buffer */\n"
223 " size_t aio_nbytes; /* Length of transfer */\n"
224 " int aio_reqprio; /* Request priority */\n"
225 " struct sigevent aio_sigevent; /* Notification method */\n"
226 " int aio_lio_opcode; /* Operation to be performed;\n"
227 " lio_listio() only */\n"
231 #: build/C/man7/aio.7:97
234 " /* Various implementation-internal fields not shown */\n"
239 #: build/C/man7/aio.7:99
241 msgid "/* Operation codes for \\(aqaio_lio_opcode\\(aq: */\n"
245 #: build/C/man7/aio.7:101
247 msgid "enum { LIO_READ, LIO_WRITE, LIO_NOP };\n"
248 msgstr "enum { LIO_READ, LIO_WRITE, LIO_NOP };\n"
251 #: build/C/man7/aio.7:105
252 msgid "The fields of this structure are as follows:"
256 #: build/C/man7/aio.7:105
258 msgid "I<aio_filedes>"
259 msgstr "I<aio_filedes>"
262 #: build/C/man7/aio.7:108
263 msgid "The file descriptor on which the I/O operation is to be performed."
267 #: build/C/man7/aio.7:108
269 msgid "I<aio_offset>"
270 msgstr "I<aio_offset>"
273 #: build/C/man7/aio.7:111
274 msgid "This is the file offset at which the I/O operation is to be performed."
278 #: build/C/man7/aio.7:111
284 #: build/C/man7/aio.7:114
285 msgid "This is the buffer used to transfer data for a read or write operation."
289 #: build/C/man7/aio.7:114
291 msgid "I<aio_nbytes>"
292 msgstr "I<aio_nbytes>"
295 #: build/C/man7/aio.7:118
296 msgid "This is the size of the buffer pointed to by I<aio_buf>."
300 #: build/C/man7/aio.7:118
302 msgid "I<aio_reqprio>"
303 msgstr "I<aio_reqprio>"
306 #: build/C/man7/aio.7:127
308 "This field specifies a value that is subtracted from the calling thread's "
309 "real-time priority in order to determine the priority for execution of this "
310 "I/O request (see B<pthread_setschedparam>(3)). The specified value must be "
311 "between 0 and the value returned by I<sysconf(_SC_AIO_PRIO_DELTA_MAX)>. "
312 "This field is ignored for file synchronization operations."
316 #: build/C/man7/aio.7:127
318 msgid "I<aio_sigevent>"
319 msgstr "I<aio_sigevent>"
322 #: build/C/man7/aio.7:141
324 "This field is a structure that specifies how the caller is to be notified "
325 "when the asynchronous I/O operation completes. Possible values for "
326 "I<aio_sigevent.sigev_notify> are B<SIGEV_NONE>, B<SIGEV_SIGNAL>, and "
327 "B<SIGEV_THREAD>. See B<sigevent>(7) for further details."
331 #: build/C/man7/aio.7:141
333 msgid "I<aio_lio_opcode>"
334 msgstr "I<aio_lio_opcode>"
337 #: build/C/man7/aio.7:145
338 msgid "The type of operation to be performed; used only for B<lio_listio>(3)."
342 #: build/C/man7/aio.7:148
344 "In addition to the standard functions listed above, the GNU C library "
345 "provides the following extension to the POSIX AIO API:"
349 #: build/C/man7/aio.7:148
351 msgid "B<aio_init>(3)"
352 msgstr "B<aio_init>(3)"
355 #: build/C/man7/aio.7:151
357 "Set parameters for tuning the behavior of the glibc POSIX AIO implementation."
361 #: build/C/man7/aio.7:151 build/C/man3/aio_read.3:132
362 #: build/C/man3/aio_suspend.3:104 build/C/man3/aio_write.3:137
363 #: build/C/man2/io_cancel.2:78 build/C/man2/io_destroy.2:72
364 #: build/C/man2/io_getevents.2:85 build/C/man2/io_setup.2:81
365 #: build/C/man2/io_submit.2:83 build/C/man3/lio_listio.3:206
371 #: build/C/man7/aio.7:158
373 "It is a good idea to zero out the control block buffer before use (see "
374 "B<memset>(3)). The control block buffer and the buffer pointed to by "
375 "I<aio_buf> must not be changed while the I/O operation is in progress. "
376 "These buffers must remain valid until the I/O operation completes."
380 #: build/C/man7/aio.7:162
382 "Simultaneous asynchronous read or write operations using the same I<aiocb> "
383 "structure yield undefined results."
386 #. http://lse.sourceforge.net/io/aio.html
387 #. http://lse.sourceforge.net/io/aionotes.txt
388 #. http://lwn.net/Articles/148755/
390 #: build/C/man7/aio.7:180
392 "The current Linux POSIX AIO implementation is provided in userspace by "
393 "glibc. This has a number of limitations, most notably that maintaining "
394 "multiple threads to perform I/O operations is expensive and scales poorly. "
395 "Work has been in progress for some time on a kernel state-machine-based "
396 "implementation of asynchronous I/O (see B<io_submit>(2), B<io_setup>(2), "
397 "B<io_cancel>(2), B<io_destroy>(2), B<io_getevents>(2)), but this "
398 "implementation hasn't yet matured to the point where the POSIX AIO "
399 "implementation can be completely reimplemented using the kernel system calls."
403 #: build/C/man7/aio.7:180 build/C/man3/aio_cancel.3:87
404 #: build/C/man3/aio_error.3:65 build/C/man3/aio_fsync.3:78
405 #: build/C/man3/aio_read.3:102 build/C/man3/aio_return.3:62
406 #: build/C/man3/aio_suspend.3:87 build/C/man3/aio_write.3:109
407 #: build/C/man2/io_cancel.2:56 build/C/man2/io_destroy.2:53
408 #: build/C/man2/io_getevents.2:60 build/C/man2/io_setup.2:54
409 #: build/C/man2/io_submit.2:54 build/C/man3/lio_listio.3:145
415 #: build/C/man7/aio.7:181 build/C/man3/aio_error.3:66
416 #: build/C/man3/aio_fsync.3:86 build/C/man3/aio_read.3:110
417 #: build/C/man3/aio_return.3:63 build/C/man3/aio_write.3:121
418 #: build/C/man2/io_cancel.2:63 build/C/man2/io_destroy.2:57
419 #: build/C/man2/io_getevents.2:64 build/C/man2/io_setup.2:61
420 #: build/C/man2/io_submit.2:64 build/C/man3/lio_listio.3:160
426 #: build/C/man7/aio.7:190
428 "The I<aio_reqprio> field of the I<aiocb> structure was less than 0, or was "
429 "greater than the limit returned by the call I<sysconf(_SC_AIO_PRIO_DELTA_MAX)"
434 #: build/C/man7/aio.7:190 build/C/man3/aio_cancel.3:92
435 #: build/C/man3/aio_error.3:73 build/C/man3/aio_fsync.3:94
436 #: build/C/man3/aio_init.3:91 build/C/man3/aio_read.3:126
437 #: build/C/man3/aio_return.3:68 build/C/man3/aio_suspend.3:98
438 #: build/C/man3/aio_write.3:131 build/C/man2/io_cancel.2:70
439 #: build/C/man2/io_destroy.2:64 build/C/man2/io_getevents.2:77
440 #: build/C/man2/io_setup.2:73 build/C/man2/io_submit.2:75
441 #: build/C/man3/lio_listio.3:200
447 #: build/C/man7/aio.7:192
448 msgid "The POSIX AIO interfaces are provided by glibc since version 2.1."
452 #: build/C/man7/aio.7:192 build/C/man3/aio_cancel.3:96
453 #: build/C/man3/aio_error.3:77 build/C/man3/aio_fsync.3:98
454 #: build/C/man3/aio_init.3:95 build/C/man3/aio_read.3:130
455 #: build/C/man3/aio_return.3:72 build/C/man3/aio_suspend.3:102
456 #: build/C/man3/aio_write.3:135 build/C/man2/io_cancel.2:73
457 #: build/C/man2/io_destroy.2:67 build/C/man2/io_getevents.2:80
458 #: build/C/man2/io_setup.2:76 build/C/man2/io_submit.2:78
459 #: build/C/man3/lio_listio.3:204
461 msgid "CONFORMING TO"
465 #: build/C/man7/aio.7:194 build/C/man3/aio_cancel.3:98
466 #: build/C/man3/aio_error.3:79 build/C/man3/aio_fsync.3:100
467 #: build/C/man3/aio_read.3:132 build/C/man3/aio_return.3:74
468 #: build/C/man3/aio_suspend.3:104 build/C/man3/aio_write.3:137
469 #: build/C/man3/lio_listio.3:206
470 msgid "POSIX.1-2001, POSIX.1-2008."
471 msgstr "POSIX.1-2001, POSIX.1-2008."
474 #: build/C/man7/aio.7:194 build/C/man3/aio_cancel.3:98
475 #: build/C/man3/aio_error.3:79 build/C/man3/aio_read.3:144
476 #: build/C/man3/aio_return.3:74
482 #: build/C/man7/aio.7:207
484 "The program below opens each of the files named in its command-line "
485 "arguments and queues a request on the resulting file descriptor using "
486 "B<aio_read>(3). The program then loops, periodically monitoring each of the "
487 "I/O operations that is still in progress using B<aio_error>(3). Each of the "
488 "I/O requests is set up to provide notification by delivery of a signal. "
489 "After all I/O requests have completed, the program retrieves their status "
490 "using B<aio_return>(3)."
494 #: build/C/man7/aio.7:213
496 "The B<SIGQUIT> signal (generated by typing control-\\e) causes the program "
497 "to request cancellation of each of the outstanding requests using "
502 #: build/C/man7/aio.7:218
504 "Here is an example of what we might see when running this program. In this "
505 "example, the program queues two requests to standard input, and these are "
506 "satisfied by two lines of input containing \"abc\" and \"x\"."
510 #: build/C/man7/aio.7:242
513 "$ B<./a.out /dev/stdin /dev/stdin>\n"
514 "opened /dev/stdin on descriptor 3\n"
515 "opened /dev/stdin on descriptor 4\n"
517 " for request 0 (descriptor 3): In progress\n"
518 " for request 1 (descriptor 4): In progress\n"
520 "I/O completion signal received\n"
522 " for request 0 (descriptor 3): I/O succeeded\n"
523 " for request 1 (descriptor 4): In progress\n"
525 " for request 1 (descriptor 4): In progress\n"
527 "I/O completion signal received\n"
529 " for request 1 (descriptor 4): I/O succeeded\n"
530 "All I/O requests completed\n"
532 " for request 0 (descriptor 3): 4\n"
533 " for request 1 (descriptor 4): 2\n"
537 #: build/C/man7/aio.7:244
539 msgid "Program source"
543 #: build/C/man7/aio.7:253
546 "#include E<lt>stdlib.hE<gt>\n"
547 "#include E<lt>unistd.hE<gt>\n"
548 "#include E<lt>stdio.hE<gt>\n"
549 "#include E<lt>errno.hE<gt>\n"
550 "#include E<lt>aio.hE<gt>\n"
551 "#include E<lt>signal.hE<gt>\n"
553 "#include E<lt>stdlib.hE<gt>\n"
554 "#include E<lt>unistd.hE<gt>\n"
555 "#include E<lt>stdio.hE<gt>\n"
556 "#include E<lt>errno.hE<gt>\n"
557 "#include E<lt>aio.hE<gt>\n"
558 "#include E<lt>signal.hE<gt>\n"
561 #: build/C/man7/aio.7:255
563 msgid "#define BUF_SIZE 20 /* Size of buffers for read operations */\n"
564 msgstr "#define BUF_SIZE 20 /* Size of buffers for read operations */\n"
567 #: build/C/man7/aio.7:257
569 msgid "#define errExit(msg) do { perror(msg); exit(EXIT_FAILURE); } while (0)\n"
570 msgstr "#define errExit(msg) do { perror(msg); exit(EXIT_FAILURE); } while (0)\n"
573 #: build/C/man7/aio.7:259
575 msgid "#define errMsg(msg) do { perror(msg); } while (0)\n"
576 msgstr "#define errMsg(msg) do { perror(msg); } while (0)\n"
579 #: build/C/man7/aio.7:266
582 "struct ioRequest { /* Application-defined structure for tracking\n"
586 " struct aiocb *aiocbp;\n"
589 "struct ioRequest { /* Application-defined structure for tracking\n"
593 " struct aiocb *aiocbp;\n"
597 #: build/C/man7/aio.7:270
600 "static volatile sig_atomic_t gotSIGQUIT = 0;\n"
601 " /* On delivery of SIGQUIT, we attempt to\n"
602 " cancel all outstanding I/O requests */\n"
604 "static volatile sig_atomic_t gotSIGQUIT = 0;\n"
605 " /* On delivery of SIGQUIT, we attempt to\n"
606 " cancel all outstanding I/O requests */\n"
609 #: build/C/man7/aio.7:276
612 "static void /* Handler for SIGQUIT */\n"
613 "quitHandler(int sig)\n"
618 "static void /* Handler for SIGQUIT */\n"
619 "quitHandler(int sig)\n"
625 #: build/C/man7/aio.7:278
627 msgid "#define IO_SIGNAL SIGUSR1 /* Signal used to notify I/O completion */\n"
628 msgstr "#define IO_SIGNAL SIGUSR1 /* Signal used to notify I/O completion */\n"
631 #: build/C/man7/aio.7:283
634 "static void /* Handler for I/O completion signal */\n"
635 "aioSigHandler(int sig, siginfo_t *si, void *ucontext)\n"
637 " write(STDOUT_FILENO, \"I/O completion signal received\\en\", 31);\n"
639 "static void /* Handler for I/O completion signal */\n"
640 "aioSigHandler(int sig, siginfo_t *si, void *ucontext)\n"
642 " write(STDOUT_FILENO, \"I/O completion signal received\\en\", 31);\n"
645 #: build/C/man7/aio.7:289
648 " /* The corresponding ioRequest structure would be available as\n"
649 " struct ioRequest *ioReq = si-E<gt>si_value.sival_ptr;\n"
650 " and the file descriptor would then be available via\n"
651 " ioReq-E<gt>aiocbp-E<gt>aio_fildes */\n"
654 " /* The corresponding ioRequest structure would be available as\n"
655 " struct ioRequest *ioReq = si-E<gt>si_value.sival_ptr;\n"
656 " and the file descriptor would then be available via\n"
657 " ioReq-E<gt>aiocbp-E<gt>aio_fildes */\n"
661 #: build/C/man7/aio.7:299
665 "main(int argc, char *argv[])\n"
667 " struct ioRequest *ioList;\n"
668 " struct aiocb *aiocbList;\n"
669 " struct sigaction sa;\n"
671 " int numReqs; /* Total number of queued I/O requests */\n"
672 " int openReqs; /* Number of I/O requests still in progress */\n"
675 "main(int argc, char *argv[])\n"
677 " struct ioRequest *ioList;\n"
678 " struct aiocb *aiocbList;\n"
679 " struct sigaction sa;\n"
681 " int numReqs; /* Total number of queued I/O requests */\n"
682 " int openReqs; /* Number of I/O requests still in progress */\n"
685 #: build/C/man7/aio.7:305
688 " if (argc E<lt> 2) {\n"
689 " fprintf(stderr, \"Usage: %s E<lt>pathnameE<gt> E<lt>pathnameE<gt>...\\en\",\n"
691 " exit(EXIT_FAILURE);\n"
694 " if (argc E<lt> 2) {\n"
695 " fprintf(stderr, \"Usage: %s E<lt>pathnameE<gt> E<lt>pathnameE<gt>...\\en\",\n"
697 " exit(EXIT_FAILURE);\n"
701 #: build/C/man7/aio.7:307
703 msgid " numReqs = argc - 1;\n"
704 msgstr " numReqs = argc - 1;\n"
707 #: build/C/man7/aio.7:309
709 msgid " /* Allocate our arrays */\n"
710 msgstr " /* Allocate our arrays */\n"
713 #: build/C/man7/aio.7:313
716 " ioList = calloc(numReqs, sizeof(struct ioRequest));\n"
717 " if (ioList == NULL)\n"
718 " errExit(\"calloc\");\n"
720 " ioList = calloc(numReqs, sizeof(struct ioRequest));\n"
721 " if (ioList == NULL)\n"
722 " errExit(\"calloc\");\n"
725 #: build/C/man7/aio.7:317
728 " aiocbList = calloc(numReqs, sizeof(struct aiocb));\n"
729 " if (aiocbList == NULL)\n"
730 " errExit(\"calloc\");\n"
732 " aiocbList = calloc(numReqs, sizeof(struct aiocb));\n"
733 " if (aiocbList == NULL)\n"
734 " errExit(\"calloc\");\n"
737 #: build/C/man7/aio.7:319
739 msgid " /* Establish handlers for SIGQUIT and the I/O completion signal */\n"
740 msgstr " /* Establish handlers for SIGQUIT and the I/O completion signal */\n"
743 #: build/C/man7/aio.7:322
746 " sa.sa_flags = SA_RESTART;\n"
747 " sigemptyset(&sa.sa_mask);\n"
749 " sa.sa_flags = SA_RESTART;\n"
750 " sigemptyset(&sa.sa_mask);\n"
753 #: build/C/man7/aio.7:326
756 " sa.sa_handler = quitHandler;\n"
757 " if (sigaction(SIGQUIT, &sa, NULL) == -1)\n"
758 " errExit(\"sigaction\");\n"
760 " sa.sa_handler = quitHandler;\n"
761 " if (sigaction(SIGQUIT, &sa, NULL) == -1)\n"
762 " errExit(\"sigaction\");\n"
765 #: build/C/man7/aio.7:331
768 " sa.sa_flags = SA_RESTART | SA_SIGINFO;\n"
769 " sa.sa_sigaction = aioSigHandler;\n"
770 " if (sigaction(IO_SIGNAL, &sa, NULL) == -1)\n"
771 " errExit(\"sigaction\");\n"
773 " sa.sa_flags = SA_RESTART | SA_SIGINFO;\n"
774 " sa.sa_sigaction = aioSigHandler;\n"
775 " if (sigaction(IO_SIGNAL, &sa, NULL) == -1)\n"
776 " errExit(\"sigaction\");\n"
779 #: build/C/man7/aio.7:334
782 " /* Open each file specified on the command line, and queue\n"
783 " a read request on the resulting file descriptor */\n"
785 " /* Open each file specified on the command line, and queue\n"
786 " a read request on the resulting file descriptor */\n"
789 #: build/C/man7/aio.7:339
792 " for (j = 0; j E<lt> numReqs; j++) {\n"
793 " ioList[j].reqNum = j;\n"
794 " ioList[j].status = EINPROGRESS;\n"
795 " ioList[j].aiocbp = &aiocbList[j];\n"
797 " for (j = 0; j E<lt> numReqs; j++) {\n"
798 " ioList[j].reqNum = j;\n"
799 " ioList[j].status = EINPROGRESS;\n"
800 " ioList[j].aiocbp = &aiocbList[j];\n"
803 #: build/C/man7/aio.7:345
806 " ioList[j].aiocbp-E<gt>aio_fildes = open(argv[j + 1], O_RDONLY);\n"
807 " if (ioList[j].aiocbp-E<gt>aio_fildes == -1)\n"
808 " errExit(\"open\");\n"
809 " printf(\"opened %s on descriptor %d\\en\", argv[j + 1],\n"
810 " ioList[j].aiocbp-E<gt>aio_fildes);\n"
812 " ioList[j].aiocbp-E<gt>aio_fildes = open(argv[j + 1], O_RDONLY);\n"
813 " if (ioList[j].aiocbp-E<gt>aio_fildes == -1)\n"
814 " errExit(\"open\");\n"
815 " printf(\"opened %s on descriptor %d\\en\", argv[j + 1],\n"
816 " ioList[j].aiocbp-E<gt>aio_fildes);\n"
819 #: build/C/man7/aio.7:349
822 " ioList[j].aiocbp-E<gt>aio_buf = malloc(BUF_SIZE);\n"
823 " if (ioList[j].aiocbp-E<gt>aio_buf == NULL)\n"
824 " errExit(\"malloc\");\n"
826 " ioList[j].aiocbp-E<gt>aio_buf = malloc(BUF_SIZE);\n"
827 " if (ioList[j].aiocbp-E<gt>aio_buf == NULL)\n"
828 " errExit(\"malloc\");\n"
831 #: build/C/man7/aio.7:357
834 " ioList[j].aiocbp-E<gt>aio_nbytes = BUF_SIZE;\n"
835 " ioList[j].aiocbp-E<gt>aio_reqprio = 0;\n"
836 " ioList[j].aiocbp-E<gt>aio_offset = 0;\n"
837 " ioList[j].aiocbp-E<gt>aio_sigevent.sigev_notify = SIGEV_SIGNAL;\n"
838 " ioList[j].aiocbp-E<gt>aio_sigevent.sigev_signo = IO_SIGNAL;\n"
839 " ioList[j].aiocbp-E<gt>aio_sigevent.sigev_value.sival_ptr =\n"
842 " ioList[j].aiocbp-E<gt>aio_nbytes = BUF_SIZE;\n"
843 " ioList[j].aiocbp-E<gt>aio_reqprio = 0;\n"
844 " ioList[j].aiocbp-E<gt>aio_offset = 0;\n"
845 " ioList[j].aiocbp-E<gt>aio_sigevent.sigev_notify = SIGEV_SIGNAL;\n"
846 " ioList[j].aiocbp-E<gt>aio_sigevent.sigev_signo = IO_SIGNAL;\n"
847 " ioList[j].aiocbp-E<gt>aio_sigevent.sigev_value.sival_ptr =\n"
851 #: build/C/man7/aio.7:362
854 " s = aio_read(ioList[j].aiocbp);\n"
856 " errExit(\"aio_read\");\n"
859 " s = aio_read(ioList[j].aiocbp);\n"
861 " errExit(\"aio_read\");\n"
865 #: build/C/man7/aio.7:364
867 msgid " openReqs = numReqs;\n"
868 msgstr " openReqs = numReqs;\n"
871 #: build/C/man7/aio.7:366
873 msgid " /* Loop, monitoring status of I/O requests */\n"
874 msgstr " /* Loop, monitoring status of I/O requests */\n"
877 #: build/C/man7/aio.7:369
880 " while (openReqs E<gt> 0) {\n"
881 " sleep(3); /* Delay between each monitoring step */\n"
883 " while (openReqs E<gt> 0) {\n"
884 " sleep(3); /* Delay between each monitoring step */\n"
887 #: build/C/man7/aio.7:371
889 msgid " if (gotSIGQUIT) {\n"
890 msgstr " if (gotSIGQUIT) {\n"
893 #: build/C/man7/aio.7:375
896 " /* On receipt of SIGQUIT, attempt to cancel each of the\n"
897 " outstanding I/O requests, and display status returned\n"
898 " from the cancellation requests */\n"
900 " /* On receipt of SIGQUIT, attempt to cancel each of the\n"
901 " outstanding I/O requests, and display status returned\n"
902 " from the cancellation requests */\n"
905 #: build/C/man7/aio.7:377
907 msgid " printf(\"got SIGQUIT; canceling I/O requests: \\en\");\n"
908 msgstr " printf(\"got SIGQUIT; canceling I/O requests: \\en\");\n"
911 #: build/C/man7/aio.7:394
914 " for (j = 0; j E<lt> numReqs; j++) {\n"
915 " if (ioList[j].status == EINPROGRESS) {\n"
916 " printf(\" Request %d on descriptor %d:\", j,\n"
917 " ioList[j].aiocbp-E<gt>aio_fildes);\n"
918 " s = aio_cancel(ioList[j].aiocbp-E<gt>aio_fildes,\n"
919 " ioList[j].aiocbp);\n"
920 " if (s == AIO_CANCELED)\n"
921 " printf(\"I/O canceled\\en\");\n"
922 " else if (s == AIO_NOTCANCELED)\n"
923 " printf(\"I/O not canceled\\en\");\n"
924 " else if (s == AIO_ALLDONE)\n"
925 " printf(\"I/O all done\\en\");\n"
927 " errMsg(\"aio_cancel\");\n"
931 " for (j = 0; j E<lt> numReqs; j++) {\n"
932 " if (ioList[j].status == EINPROGRESS) {\n"
933 " printf(\" Request %d on descriptor %d:\", j,\n"
934 " ioList[j].aiocbp-E<gt>aio_fildes);\n"
935 " s = aio_cancel(ioList[j].aiocbp-E<gt>aio_fildes,\n"
936 " ioList[j].aiocbp);\n"
937 " if (s == AIO_CANCELED)\n"
938 " printf(\"I/O canceled\\en\");\n"
939 " else if (s == AIO_NOTCANCELED)\n"
940 " printf(\"I/O not canceled\\en\");\n"
941 " else if (s == AIO_ALLDONE)\n"
942 " printf(\"I/O all done\\en\");\n"
944 " errMsg(\"aio_cancel\");\n"
949 #: build/C/man7/aio.7:397
959 #: build/C/man7/aio.7:400
962 " /* Check the status of each I/O request that is still\n"
965 " /* Check the status of each I/O request that is still\n"
969 #: build/C/man7/aio.7:407
972 " printf(\"aio_error():\\en\");\n"
973 " for (j = 0; j E<lt> numReqs; j++) {\n"
974 " if (ioList[j].status == EINPROGRESS) {\n"
975 " printf(\" for request %d (descriptor %d): \",\n"
976 " j, ioList[j].aiocbp-E<gt>aio_fildes);\n"
977 " ioList[j].status = aio_error(ioList[j].aiocbp);\n"
979 " printf(\"aio_error():\\en\");\n"
980 " for (j = 0; j E<lt> numReqs; j++) {\n"
981 " if (ioList[j].status == EINPROGRESS) {\n"
982 " printf(\" for request %d (descriptor %d): \",\n"
983 " j, ioList[j].aiocbp-E<gt>aio_fildes);\n"
984 " ioList[j].status = aio_error(ioList[j].aiocbp);\n"
987 #: build/C/man7/aio.7:422
990 " switch (ioList[j].status) {\n"
992 " printf(\"I/O succeeded\\en\");\n"
994 " case EINPROGRESS:\n"
995 " printf(\"In progress\\en\");\n"
998 " printf(\"Canceled\\en\");\n"
1001 " errMsg(\"aio_error\");\n"
1005 " switch (ioList[j].status) {\n"
1007 " printf(\"I/O succeeded\\en\");\n"
1009 " case EINPROGRESS:\n"
1010 " printf(\"In progress\\en\");\n"
1012 " case ECANCELED:\n"
1013 " printf(\"Canceled\\en\");\n"
1016 " errMsg(\"aio_error\");\n"
1021 #: build/C/man7/aio.7:428
1024 " if (ioList[j].status != EINPROGRESS)\n"
1030 " if (ioList[j].status != EINPROGRESS)\n"
1037 #: build/C/man7/aio.7:430
1039 msgid " printf(\"All I/O requests completed\\en\");\n"
1040 msgstr " printf(\"All I/O requests completed\\en\");\n"
1043 #: build/C/man7/aio.7:432
1045 msgid " /* Check status return of all I/O requests */\n"
1046 msgstr " /* Check status return of all I/O requests */\n"
1049 #: build/C/man7/aio.7:436
1052 " printf(\"aio_return():\\en\");\n"
1053 " for (j = 0; j E<lt> numReqs; j++) {\n"
1056 " printf(\"aio_return():\\en\");\n"
1057 " for (j = 0; j E<lt> numReqs; j++) {\n"
1061 #: build/C/man7/aio.7:441
1064 " s = aio_return(ioList[j].aiocbp);\n"
1065 " printf(\" for request %d (descriptor %d): %ld\\en\",\n"
1066 " j, ioList[j].aiocbp-E<gt>aio_fildes, (long) s);\n"
1069 " s = aio_return(ioList[j].aiocbp);\n"
1070 " printf(\" for request %d (descriptor %d): %ld\\en\",\n"
1071 " j, ioList[j].aiocbp-E<gt>aio_fildes, (long) s);\n"
1075 #: build/C/man7/aio.7:444
1078 " exit(EXIT_SUCCESS);\n"
1081 " exit(EXIT_SUCCESS);\n"
1085 #: build/C/man7/aio.7:445 build/C/man3/aio_cancel.3:101
1086 #: build/C/man3/aio_error.3:82 build/C/man3/aio_fsync.3:100
1087 #: build/C/man3/aio_init.3:97 build/C/man3/aio_read.3:147
1088 #: build/C/man3/aio_return.3:77 build/C/man3/aio_suspend.3:124
1089 #: build/C/man3/aio_write.3:149 build/C/man2/io_cancel.2:94
1090 #: build/C/man2/io_destroy.2:88 build/C/man2/io_getevents.2:101
1091 #: build/C/man2/io_setup.2:97 build/C/man2/io_submit.2:99
1092 #: build/C/man3/lio_listio.3:218
1098 #: build/C/man7/aio.7:459
1100 "B<io_cancel>(2), B<io_destroy>(2), B<io_getevents>(2), B<io_setup>(2), "
1101 "B<io_submit>(2), B<aio_cancel>(3), B<aio_error>(3), B<aio_init>(3), "
1102 "B<aio_read>(3), B<aio_return>(3), B<aio_write>(3), B<lio_listio>(3), http://"
1103 "www.squid-cache.org/~adrian/Reprint-Pulavarty-OLS2003.pdf"
1105 "B<io_cancel>(2), B<io_destroy>(2), B<io_getevents>(2), B<io_setup>(2), "
1106 "B<io_submit>(2), B<aio_cancel>(3), B<aio_error>(3), B<aio_init>(3), "
1107 "B<aio_read>(3), B<aio_return>(3), B<aio_write>(3), B<lio_listio>(3), http://"
1108 "www.squid-cache.org/~adrian/Reprint-Pulavarty-OLS2003.pdf"
1111 #: build/C/man3/aio_cancel.3:23
1117 #: build/C/man3/aio_cancel.3:23
1123 #: build/C/man3/aio_cancel.3:26
1124 msgid "aio_cancel - cancel an outstanding asynchronous I/O request"
1125 msgstr "aio_cancel - 完了していない非同期 I/O リクエストをキャンセルする"
1128 #: build/C/man3/aio_cancel.3:26 build/C/man3/aio_error.3:26
1129 #: build/C/man3/aio_fsync.3:26 build/C/man3/aio_init.3:27
1130 #: build/C/man3/aio_read.3:26 build/C/man3/aio_return.3:26
1131 #: build/C/man3/aio_suspend.3:27 build/C/man3/aio_write.3:26
1132 #: build/C/man2/io_cancel.2:26 build/C/man2/io_destroy.2:26
1133 #: build/C/man2/io_getevents.2:26 build/C/man2/io_setup.2:26
1134 #: build/C/man2/io_submit.2:26 build/C/man3/lio_listio.3:26
1140 #: build/C/man3/aio_cancel.3:28 build/C/man3/aio_error.3:28
1141 #: build/C/man3/aio_fsync.3:28 build/C/man3/aio_read.3:28
1142 #: build/C/man3/aio_return.3:28 build/C/man3/aio_write.3:28
1143 msgid "B<#include E<lt>aio.hE<gt>>"
1144 msgstr "B<#include E<lt>aio.hE<gt>>"
1147 #: build/C/man3/aio_cancel.3:30
1148 msgid "B<int aio_cancel(int >I<fd>B<, struct aiocb *>I<aiocbp>B<);>"
1149 msgstr "B<int aio_cancel(int >I<fd>B<, struct aiocb *>I<aiocbp>B<);>"
1152 #: build/C/man3/aio_cancel.3:32 build/C/man3/aio_error.3:32
1153 #: build/C/man3/aio_fsync.3:32 build/C/man3/aio_init.3:36
1154 #: build/C/man3/aio_read.3:32 build/C/man3/aio_return.3:32
1155 #: build/C/man3/aio_write.3:32
1156 msgid "Link with I<-lrt>."
1157 msgstr "I<-lrt> でリンクする。"
1160 #: build/C/man3/aio_cancel.3:50
1162 "The B<aio_cancel>() function attempts to cancel outstanding asynchronous I/"
1163 "O requests for the file descriptor I<fd>. If I<aiocbp> is NULL, all such "
1164 "requests are canceled. Otherwise, only the request described by the control "
1165 "block pointed to by I<aiocbp> is canceled. (See B<aio>(7) for a "
1166 "description of the I<aiocb> structure.)"
1168 "B<aio_cancel>() 関数は、ファイルディスクリプタ I<fd> についての完了していない\n"
1169 "非同期 I/O リクエストをキャンセルしようとする。 I<aiocbp> が NULL の場合、そ\n"
1170 "のような全てのリクエストがキャンセルされる。 I<aiocbp> が NULL でない場合、\n"
1171 "I<aiocbp> で指された制御ブロックで記述されたリクエストのみがキャンセルされる。\n"
1172 "(I<aiocb> 構造体の説明は B<aio>(7) を参照)"
1175 #: build/C/man3/aio_cancel.3:59
1177 "Normal asynchronous notification occurs for canceled requests. The request "
1178 "return status (B<aio_return>(3)) is set to -1, and the request error status "
1179 "(B<aio_error>(3)) is set to B<ECANCELED>. The control block of requests "
1180 "that cannot be canceled is not changed."
1182 "キャンセルされたリクエストに対して、通常の非同期通知が起こる。\n"
1183 "リクエストの返り値 (B<aio_return>(3)) は -1 に設定され、\n"
1184 "リクエストのエラー状態 (B<aio_error>(3)) は B<ECANCELED> に設定される。\n"
1185 "キャンセルできないリクエストの制御ブロックは変更されない。"
1188 #: build/C/man3/aio_cancel.3:66
1190 "If I<aiocbp> is not NULL, and I<fd> differs from the file descriptor with "
1191 "which the asynchronous operation was initiated, unspecified results occur."
1193 "I<aiocbp> が NULL でなく、かつ I<fd> が非同期操作が開始されたファイルディスク"
1194 "リプタと異なる場合、 生じる結果は不定である。"
1196 #. FreeBSD: not those on raw disk devices.
1198 #: build/C/man3/aio_cancel.3:69
1199 msgid "Which operations are cancelable is implementation-defined."
1200 msgstr "どの操作をキャンセルできるかは、実装定義である。"
1203 #: build/C/man3/aio_cancel.3:69 build/C/man3/aio_error.3:43
1204 #: build/C/man3/aio_fsync.3:72 build/C/man3/aio_read.3:87
1205 #: build/C/man3/aio_return.3:48 build/C/man3/aio_suspend.3:79
1206 #: build/C/man3/aio_write.3:94 build/C/man2/io_cancel.2:51
1207 #: build/C/man2/io_destroy.2:48 build/C/man2/io_getevents.2:54
1208 #: build/C/man2/io_setup.2:49 build/C/man2/io_submit.2:48
1209 #: build/C/man3/lio_listio.3:107
1211 msgid "RETURN VALUE"
1215 #: build/C/man3/aio_cancel.3:87
1217 "This function returns B<AIO_CANCELED> if all requests were successfully "
1218 "canceled. It returns B<AIO_NOTCANCELED> when at least one of the requests "
1219 "specified was not canceled because it was in progress. In this case one may "
1220 "check the status of individual requests using B<aio_error>(3). This "
1221 "function returns B<AIO_ALLDONE> if all requests had already been completed "
1222 "before this call. When some error occurs, -1 is returned, and I<errno> is "
1223 "set appropriately."
1225 "全てのリクエストのキャンセルが成功した場合、この関数は B<AIO_CANCELED> を返"
1226 "す。 指定されたリクエストのうち少なくとも 1 つが進行中であるために キャンセル"
1227 "できなかった場合は、 B<AIO_NOTCANCELED> が返される。 この場合は、 "
1228 "B<aio_error>(3) を使って個々のリクエストの状態をチェックすることができる。 "
1229 "呼び出される前に全てのリクエストが完了していた場合、 この関数は "
1230 "B<AIO_ALLDONE> を返す。 何らかのエラーが起こった場合は、-1 が返されて、 "
1231 "I<errno> が適切に設定される。"
1234 #: build/C/man3/aio_cancel.3:88 build/C/man3/aio_fsync.3:82
1235 #: build/C/man3/aio_read.3:106 build/C/man3/aio_write.3:113
1236 #: build/C/man2/io_submit.2:58
1242 #: build/C/man3/aio_cancel.3:92
1243 msgid "I<fd> is not a valid file descriptor."
1244 msgstr "I<fd> が有効なファイルディスクリプタでない。"
1247 #: build/C/man3/aio_cancel.3:96
1248 msgid "The B<aio_cancel>() function is available since glibc 2.1."
1252 #: build/C/man3/aio_cancel.3:101 build/C/man3/aio_error.3:82
1253 #: build/C/man3/aio_read.3:147 build/C/man3/aio_return.3:77
1254 msgid "See B<aio>(7)."
1255 msgstr "B<aio>(7) を参照。"
1258 #: build/C/man3/aio_cancel.3:109
1260 "B<aio_error>(3), B<aio_fsync>(3), B<aio_read>(3), B<aio_return>(3), "
1261 "B<aio_suspend>(3), B<aio_write>(3), B<lio_listio>(3), B<aio>(7)"
1263 "B<aio_error>(3), B<aio_fsync>(3), B<aio_read>(3), B<aio_return>(3), \n"
1264 "B<aio_suspend>(3), B<aio_write>(3), B<lio_listio>(3), B<aio>(7)"
1267 #: build/C/man3/aio_error.3:23
1273 #: build/C/man3/aio_error.3:23 build/C/man3/aio_read.3:23
1274 #: build/C/man3/aio_return.3:23
1280 #: build/C/man3/aio_error.3:26
1281 msgid "aio_error - get error status of asynchronous I/O operation"
1282 msgstr "aio_error - 非同期 I/O 操作のエラー状態を取得する"
1285 #: build/C/man3/aio_error.3:30
1286 msgid "B<int aio_error(const struct aiocb *>I<aiocbp>B<);>"
1287 msgstr "B<int aio_error(const struct aiocb *>I<aiocbp>B<);>"
1290 #: build/C/man3/aio_error.3:43
1292 "The B<aio_error>() function returns the error status for the asynchronous I/"
1293 "O request with control block pointed to by I<aiocbp>. (See B<aio>(7) for a "
1294 "description of the I<aiocb> structure.)"
1296 "B<aio_error>() 関数は I<aiocbp> で指された制御ブロックでの非同期 I/O リクエス\n"
1297 "トのエラー状態を返す。(I<aiocb> 構造体の説明は B<aio>(7) を参照)"
1300 #: build/C/man3/aio_error.3:45
1301 msgid "This function returns one of the following:"
1305 #: build/C/man3/aio_error.3:45 build/C/man3/aio_error.3:49
1306 #: build/C/man3/aio_error.3:52 build/C/man3/aio_error.3:54
1307 #: build/C/man3/aio_suspend.3:42 build/C/man3/aio_suspend.3:46
1308 #: build/C/man3/aio_suspend.3:48
1314 #: build/C/man3/aio_error.3:49
1315 msgid "B<EINPROGRESS>, if the request has not been completed yet."
1319 #: build/C/man3/aio_error.3:52
1320 msgid "B<ECANCELED>, if the request was canceled."
1324 #: build/C/man3/aio_error.3:54
1325 msgid "0, if the request completed successfully."
1329 #: build/C/man3/aio_error.3:65
1331 "A positive error, if the asynchronous I/O operation failed. This is the "
1332 "same value that would have been stored in the I<errno> variable in the case "
1333 "of a synchronous B<read>(2), B<write>(2), B<fsync>(2), or B<fdatasync>(2) "
1338 #: build/C/man3/aio_error.3:73
1340 "I<aiocbp> does not point at a control block for an asynchronous I/O request "
1341 "of which the return status (see B<aio_return>(3)) has not been retrieved "
1344 "I<aiocbp> が、まだ返り値 (return status) (B<aio_return>(3) を参照) が取得さ"
1345 "れていない非同期 I/O リクエストの制御ブロックを指していない。"
1348 #: build/C/man3/aio_error.3:77
1349 msgid "The B<aio_error>() function is available since glibc 2.1."
1353 #: build/C/man3/aio_error.3:90
1355 "B<aio_cancel>(3), B<aio_fsync>(3), B<aio_read>(3), B<aio_return>(3), "
1356 "B<aio_suspend>(3), B<aio_write>(3), B<lio_listio>(3), B<aio>(7)"
1357 msgstr "B<aio_cancel>(3), B<aio_fsync>(3), B<aio_read>(3), B<aio_return>(3), B<aio_suspend>(3), B<aio_write>(3), B<lio_listio>(3), B<aio>(7)"
1360 #: build/C/man3/aio_fsync.3:23
1366 #: build/C/man3/aio_fsync.3:26
1367 msgid "aio_fsync - asynchronous file synchronization"
1368 msgstr "aio_fsync - 非同期ファイルを同期させる"
1371 #: build/C/man3/aio_fsync.3:30
1372 msgid "B<int aio_fsync(int >I<op>B<, struct aiocb *>I<aiocbp>B<);>"
1373 msgstr "B<int aio_fsync(int >I<op>B<, struct aiocb *>I<aiocbp>B<);>"
1376 #: build/C/man3/aio_fsync.3:43
1378 "The B<aio_fsync>() function does a sync on all outstanding asynchronous I/O "
1379 "operations associated with I<aiocbp-E<gt>aio_fildes>. (See B<aio>(7) for a "
1380 "description of the I<aiocb> structure.)"
1382 "B<aio_fsync>() 関数は、 I<aiocbp-E<gt>aio_fildes> で関連付けられているまだ\n"
1383 "完了していない全ての非同期 I/O 操作を同期させる。\n"
1384 "(I<aiocb> 構造体の説明は B<aio>(7) を参照)"
1387 #: build/C/man3/aio_fsync.3:57
1389 "More precisely, if I<op> is B<O_SYNC>, then all currently queued I/O "
1390 "operations shall be completed as if by a call of B<fsync>(2), and if I<op> "
1391 "is B<O_DSYNC>, this call is the asynchronous analog of B<fdatasync>(2)."
1393 "より正確に言うと、 I<op> が B<O_SYNC> の場合、現在キューに入れられている全て\n"
1394 "の I/O 操作は、 B<fsync>(2) が呼ばれたかのように完了されるだろう。 また\n"
1395 "I<op> が B<O_DSYNC> の場合、この呼び出しは B<fdatasync>(2) の非同期版となる。"
1398 #: build/C/man3/aio_fsync.3:59
1399 msgid "Note that this is a request only; it does not wait for I/O completion."
1403 #: build/C/man3/aio_fsync.3:72
1405 "Apart from I<aio_fildes>, the only field in the structure pointed to by "
1406 "I<aiocbp> that is used by this call is the I<aio_sigevent> field (a "
1407 "I<sigevent> structure, described in B<sigevent>(7)), which indicates the "
1408 "desired type of asynchronous notification at completion. All other fields "
1411 "I<aiocbp> で指される構造体のフィールドのうち、この呼び出しで I<aio_fildes>\n"
1412 "以外に使用されるのは I<aio_sigevent> フィールド (I<sigevent> 構造体、説明は\n"
1413 "B<sigevent>(7) 参照) のみである。このフィールドは、完了時の非同期通知に使用\n"
1414 "したいタイプを示す。 その他のフィールドは無視される。"
1417 #: build/C/man3/aio_fsync.3:78
1419 "On success (the sync request was successfully queued) this function returns "
1420 "0. On error -1 is returned, and I<errno> is set appropriately."
1422 "成功した場合 (同期リクエストをキューに入れるのに成功した場合)、 この関数は 0 "
1423 "を返す。 エラーの場合、-1 が返され、 I<errno> が適切に設定される。"
1426 #: build/C/man3/aio_fsync.3:79 build/C/man3/aio_read.3:103
1427 #: build/C/man3/aio_suspend.3:88 build/C/man3/aio_write.3:110
1428 #: build/C/man2/io_cancel.2:57 build/C/man2/io_setup.2:55
1429 #: build/C/man2/io_submit.2:55 build/C/man3/lio_listio.3:149
1430 #: build/C/man3/lio_listio.3:152
1436 #: build/C/man3/aio_fsync.3:82 build/C/man3/aio_read.3:106
1437 #: build/C/man3/aio_write.3:113 build/C/man3/lio_listio.3:152
1438 msgid "Out of resources."
1442 #: build/C/man3/aio_fsync.3:86 build/C/man3/aio_write.3:117
1443 msgid "I<aio_fildes> is not a valid file descriptor open for writing."
1445 "I<aio_fildes> が書き込みのためにオープンされた有効なファイルディスクリプタで"
1449 #: build/C/man3/aio_fsync.3:94
1451 "Synchronized I/O is not supported for this file, or I<op> is not B<O_SYNC> "
1454 "このファイルでは同期 I/O がサポートされていない。\n"
1455 "または I<op> が B<O_SYNC> でも B<O_DSYNC> でもない。"
1458 #: build/C/man3/aio_fsync.3:98
1459 msgid "The B<aio_fsync>() function is available since glibc 2.1."
1463 #: build/C/man3/aio_fsync.3:109
1465 "B<aio_cancel>(3), B<aio_error>(3), B<aio_read>(3), B<aio_return>(3), "
1466 "B<aio_suspend>(3), B<aio_write>(3), B<lio_listio>(3), B<aio>(7), B<sigevent>"
1468 msgstr "B<aio_cancel>(3), B<aio_error>(3), B<aio_read>(3), B<aio_return>(3), B<aio_suspend>(3), B<aio_write>(3), B<lio_listio>(3), B<aio>(7), B<sigevent>(7)"
1471 #: build/C/man3/aio_init.3:24
1477 #: build/C/man3/aio_init.3:24
1483 #: build/C/man3/aio_init.3:27
1484 msgid "aio_init - POSIX asynchronous I/O initialization"
1488 #: build/C/man3/aio_init.3:31
1491 "B<#define _GNU_SOURCE> /* See feature_test_macros(7) */\n"
1492 "B<#include E<lt>aio.hE<gt>>\n"
1494 "B<#define _GNU_SOURCE> /* See feature_test_macros(7) */\n"
1495 "B<#include E<lt>aio.hE<gt>>\n"
1498 #: build/C/man3/aio_init.3:33
1500 msgid "B<void aio_init(const struct aioinit *>I<init>B<);>\n"
1501 msgstr "B<void aio_init(const struct aioinit *>I<init>B<);>\n"
1504 #: build/C/man3/aio_init.3:43
1506 "The GNU-specific B<aio_init>() function allows the caller to provide tuning "
1507 "hints to the glibc POSIX AIO implementation. Use of this function is "
1508 "optional, but to be effective, it must be called before employing any other "
1509 "functions in the POSIX AIO API."
1513 #: build/C/man3/aio_init.3:47
1515 "The tuning information is provided in the buffer pointed to by the argument "
1516 "I<init>. This buffer is a structure of the following form:"
1520 #: build/C/man3/aio_init.3:62
1523 "struct aioinit {\n"
1524 " int aio_threads; /* Maximum number of threads */\n"
1525 " int aio_num; /* Number of expected simultaneous\n"
1527 " int aio_locks; /* Not used */\n"
1528 " int aio_usedba; /* Not used */\n"
1529 " int aio_debug; /* Not used */\n"
1530 " int aio_numusers; /* Not used */\n"
1531 " int aio_idle_time; /* Number of seconds before idle thread\n"
1532 " terminates (since glibc 2.2) */\n"
1533 " int aio_reserved;\n"
1536 "struct aioinit {\n"
1537 " int aio_threads; /* Maximum number of threads */\n"
1538 " int aio_num; /* Number of expected simultaneous\n"
1540 " int aio_locks; /* Not used */\n"
1541 " int aio_usedba; /* Not used */\n"
1542 " int aio_debug; /* Not used */\n"
1543 " int aio_numusers; /* Not used */\n"
1544 " int aio_idle_time; /* Number of seconds before idle thread\n"
1545 " terminates (since glibc 2.2) */\n"
1546 " int aio_reserved;\n"
1550 #: build/C/man3/aio_init.3:68
1551 msgid "The following fields are used in the I<aioinit> structure:"
1555 #: build/C/man3/aio_init.3:68
1557 msgid "I<aio_threads>"
1558 msgstr "I<aio_threads>"
1561 #: build/C/man3/aio_init.3:76
1563 "This field specifies the maximum number of worker threads that may be used "
1564 "by the implementation. If the number of outstanding I/O operations exceeds "
1565 "this limit, then excess operations will be queued until a worker thread "
1566 "becomes free. If this field is specified with a value less than 1, the "
1567 "value 1 is used. The default value is 20."
1571 #: build/C/man3/aio_init.3:76
1576 #. FIXME But, if aio_num > 32, the behavior looks strange. See
1577 #. http://sourceware.org/bugzilla/show_bug.cgi?id=12083
1579 #: build/C/man3/aio_init.3:85
1581 "This field should specify the maximum number of simultaneous I/O requests "
1582 "that the caller expects to enqueue. If a value less than 32 is specified "
1583 "for this field, it is rounded up to 32. The default value is 64."
1587 #: build/C/man3/aio_init.3:85
1589 msgid "I<aio_idle_time>"
1590 msgstr "I<aio_idle_time>"
1593 #: build/C/man3/aio_init.3:91
1595 "This field specifies the amount of time in seconds that a worker thread "
1596 "should wait for further requests before terminating, after having completed "
1597 "a previous request. The default value is 1."
1601 #: build/C/man3/aio_init.3:95
1602 msgid "The B<aio_init>() function is available since glibc 2.1."
1606 #: build/C/man3/aio_init.3:97
1607 msgid "This function is a GNU extension."
1611 #: build/C/man3/aio_init.3:98
1616 #: build/C/man3/aio_read.3:23
1622 #: build/C/man3/aio_read.3:26
1623 msgid "aio_read - asynchronous read"
1624 msgstr "aio_read - 非同期で読み込む"
1627 #: build/C/man3/aio_read.3:30
1628 msgid "B<int aio_read(struct aiocb *>I<aiocbp>B<);>"
1629 msgstr "B<int aio_read(struct aiocb *>I<aiocbp>B<);>"
1632 #: build/C/man3/aio_read.3:40
1634 "The B<aio_read>() function queues the I/O request described by the buffer "
1635 "pointed to by I<aiocbp>. This function is the asynchronous analog of B<read>"
1636 "(2). The arguments of the call"
1640 #: build/C/man3/aio_read.3:42
1642 msgid " read(fd, buf, count)\n"
1646 #: build/C/man3/aio_read.3:55 build/C/man3/aio_write.3:55
1648 "correspond (in order) to the fields I<aio_fildes>, I<aio_buf>, and "
1649 "I<aio_nbytes> of the structure pointed to by I<aiocbp>. (See B<aio>(7) for "
1650 "a description of the I<aiocb> structure.)"
1654 #: build/C/man3/aio_read.3:61
1656 "The data is read starting at the absolute file offset I<aiocbp-"
1657 "E<gt>aio_offset>, regardless of the current file offset. After the call, "
1658 "the value of the current file offset is unspecified."
1660 "データの読み込みは、カレントのファイルオフセットに関係なく、\n"
1661 "絶対ファイルオフセット I<aiocbp-E<gt>aio_offset> を開始点として行われる。\n"
1662 "呼び出しの後のカレントのファイルオフセットは規定されていない。"
1665 #: build/C/man3/aio_read.3:74
1667 "The \"asynchronous\" means that this call returns as soon as the request has "
1668 "been enqueued; the read may or may not have completed when the call "
1669 "returns. One tests for completion using B<aio_error>(3). The return status "
1670 "of a completed I/O operation can be obtained by B<aio_return>(3). "
1671 "Asynchronous notification of I/O completion can be obtained by setting "
1672 "I<aiocbp-E<gt>aio_sigevent> appropriately; see B<sigevent>(7) for details."
1674 "「非同期」とは「リクエストがキューに入れられたら、この呼び出しはすぐに返る」\n"
1675 "ということである。 呼び出しから戻った時に、読み込みは完了しているかも知れないし、\n"
1676 "完了していないかも知れない。 B<aio_error>(3) を使うことで完了したかをテストできる。\n"
1677 "完了した I/O 操作の返り値は B<aio_return>(3) で取得できる。\n"
1678 "I<aiocbp-E<gt>aio_sigevent> を適切に設定することで、\n"
1679 "I/O 完了の非同期通知は受けることもできる。詳細は B<sigevent>(7) を参照。"
1682 #: build/C/man3/aio_read.3:81 build/C/man3/aio_write.3:88
1684 "If B<_POSIX_PRIORITIZED_IO> is defined, and this file supports it, then the "
1685 "asynchronous operation is submitted at a priority equal to that of the "
1686 "calling process minus I<aiocbp-E<gt>aio_reqprio>."
1688 "B<_POSIX_PRIORITIZED_IO> が定義されていて、 かつファイルがこれをサポートして"
1689 "いる場合、 非同期操作は呼び出したプロセスの優先度から I<aiocbp-"
1690 "E<gt>aio_reqprio> を引いた優先度で登録 (submit) される。"
1693 #: build/C/man3/aio_read.3:85 build/C/man3/aio_write.3:92
1694 msgid "The field I<aiocbp-E<gt>aio_lio_opcode> is ignored."
1695 msgstr "フィールド I<aiocbp-E<gt>aio_lio_opcode> は無視される。"
1698 #: build/C/man3/aio_read.3:87
1699 msgid "No data is read from a regular file beyond its maximum offset."
1701 "最大オフセットを超えた通常のファイルからは、何もデータが読み込まれない。"
1704 #: build/C/man3/aio_read.3:102 build/C/man3/aio_write.3:109
1706 "On success, 0 is returned. On error the request is not enqueued, -1 is "
1707 "returned, and I<errno> is set appropriately. If an error is only detected "
1708 "later, it will be reported via B<aio_return>(3) (returns status -1) and "
1709 "B<aio_error>(3) (error status\\(emwhatever one would have gotten in "
1710 "I<errno>, such as B<EBADF>)."
1712 "成功した場合、0 が返される。 エラーの場合、リクエストはキューに入れられず、\n"
1713 "-1 が返されて、 I<errno> が適切に設定される。 エラーは後でのみ検知された場合は、\n"
1714 "エラーは B<aio_return>(3) と B<aio_error>(3) 経由で報告されることになる\n"
1715 "(B<aio_return>(3) は状態 -1 を返し、B<aio_error>(3) でエラー状態\\(em\n"
1716 "I<errno> で取得できる B<EBADF> のようなエラー状態が返される)。"
1719 #: build/C/man3/aio_read.3:110
1720 msgid "I<aio_fildes> is not a valid file descriptor open for reading."
1722 "I<aio_fildes> は読み込みのためにオープンされた有効なファイルディスクリプタで"
1726 #: build/C/man3/aio_read.3:118
1728 "One or more of I<aio_offset>, I<aio_reqprio>, or I<aio_nbytes> are invalid."
1730 "I<aio_offset>, I<aio_reqprio>, I<aio_nbytes> のうち 1 つ以上が無効である。"
1733 #: build/C/man3/aio_read.3:118 build/C/man3/aio_write.3:128
1734 #: build/C/man2/io_cancel.2:66 build/C/man2/io_destroy.2:60
1735 #: build/C/man2/io_getevents.2:73 build/C/man2/io_setup.2:69
1736 #: build/C/man2/io_submit.2:71
1742 #: build/C/man3/aio_read.3:121 build/C/man3/aio_write.3:131
1743 msgid "This function is not supported."
1744 msgstr "この関数がサポートされていない。"
1747 #: build/C/man3/aio_read.3:121
1749 msgid "B<EOVERFLOW>"
1750 msgstr "B<EOVERFLOW>"
1753 #: build/C/man3/aio_read.3:126
1755 "The file is a regular file, we start reading before end-of-file and want at "
1756 "least one byte, but the starting position is past the maximum offset for "
1759 "ファイルが通常のファイルであり、 ファイルの終端の前から読み込みを開始して、 "
1760 "少なくとも 1 バイトを読み込もうとした。 しかし開始位置がこのファイルの最大オ"
1764 #: build/C/man3/aio_read.3:130
1765 msgid "The B<aio_read>() function is available since glibc 2.1."
1768 #. or the control block of the operation
1770 #: build/C/man3/aio_read.3:140
1772 "It is a good idea to zero out the control block before use. The control "
1773 "block must not be changed while the read operation is in progress. The "
1774 "buffer area being read into must not be accessed during the operation or "
1775 "undefined results may occur. The memory areas involved must remain valid."
1777 "使用する前に制御ブロックを 0 にしておくのは、よい考えである。 この制御ブロッ"
1778 "クは、読み込み操作が進行している間は変更すべきでない。 読み込まれるバッファ領"
1779 "域は 操作の最中にアクセスすべきではない。 さもないと起こる結果が不定になる。 "
1780 "これに含まれるメモリ領域は、有効なままにしなければならない。"
1783 #: build/C/man3/aio_read.3:144 build/C/man3/aio_write.3:149
1784 #: build/C/man3/lio_listio.3:218
1786 "Simultaneous I/O operations specifying the same I<aiocb> structure produce "
1787 "undefined results."
1791 #: build/C/man3/aio_read.3:155
1793 "B<aio_cancel>(3), B<aio_error>(3), B<aio_fsync>(3), B<aio_return>(3), "
1794 "B<aio_suspend>(3), B<aio_write>(3), B<lio_listio>(3), B<aio>(7)"
1795 msgstr "B<aio_cancel>(3), B<aio_error>(3), B<aio_fsync>(3), B<aio_return>(3), B<aio_suspend>(3), B<aio_write>(3), B<lio_listio>(3), B<aio>(7)"
1798 #: build/C/man3/aio_return.3:23
1804 #: build/C/man3/aio_return.3:26
1805 msgid "aio_return - get return status of asynchronous I/O operation"
1806 msgstr "aio_return - 非同期 I/O 操作の返り値 (return status) を取得する"
1809 #: build/C/man3/aio_return.3:30
1810 msgid "B<ssize_t aio_return(struct aiocb *>I<aiocbp>B<);>"
1811 msgstr "B<ssize_t aio_return(struct aiocb *>I<aiocbp>B<);>"
1814 #: build/C/man3/aio_return.3:43
1816 "The B<aio_return>() function returns the final return status for the "
1817 "asynchronous I/O request with control block pointed to by I<aiocbp>. (See "
1818 "B<aio>(7) for a description of the I<aiocb> structure.)"
1820 "B<aio_return>() 関数は I<aiocbp> で指された制御ブロックにおける非同期 I/O\n"
1821 "リクエストの最終的な返り値を返す。\n"
1822 "(I<aiocb> 構造体の説明は B<aio>(7) を参照)"
1825 #: build/C/man3/aio_return.3:48
1827 "This function should be called only once for any given request, after "
1828 "B<aio_error>(3) returns something other than B<EINPROGRESS>."
1830 "この関数は、 B<aio_error>(3) が B<EINPROGRESS> 以外を返した後で、 与えられた"
1831 "リクエストに対して 1 回だけ呼ばれるべきである。"
1834 #: build/C/man3/aio_return.3:57
1836 "If the asynchronous I/O operation has completed, this function returns the "
1837 "value that would have been returned in case of a synchronous B<read>(2), "
1838 "B<write>(2), B<fsync>(2) or B<fdatasync>(2), call."
1840 "非同期 I/O 操作が完了した場合、この関数は、同期呼び出し B<read>(2),\n"
1841 "B<write>(2), B<fsync>(2), B<fdatasync>(2) が返すのと同じ値を返す。"
1844 #: build/C/man3/aio_return.3:62
1846 "If the asynchronous I/O operation has not yet completed, the return value "
1847 "and effect of B<aio_return>() are undefined."
1849 "非同期 I/O 操作が完了していない場合、\n"
1850 "B<aio_return>() の返り値とその影響は不定である。"
1853 #: build/C/man3/aio_return.3:68
1855 "I<aiocbp> does not point at a control block for an asynchronous I/O request "
1856 "of which the return status has not been retrieved yet."
1858 "I<aiocbp> が、返り値がまだ取得されていない非同期 I/O リクエストの 制御ブロッ"
1862 #: build/C/man3/aio_return.3:72
1863 msgid "The B<aio_return>() function is available since glibc 2.1."
1867 #: build/C/man3/aio_return.3:85
1869 "B<aio_cancel>(3), B<aio_error>(3), B<aio_fsync>(3), B<aio_read>(3), "
1870 "B<aio_suspend>(3), B<aio_write>(3), B<lio_listio>(3), B<aio>(7)"
1871 msgstr "B<aio_cancel>(3), B<aio_error>(3), B<aio_fsync>(3), B<aio_read>(3), B<aio_suspend>(3), B<aio_write>(3), B<lio_listio>(3), B<aio>(7)"
1874 #: build/C/man3/aio_suspend.3:24
1877 msgstr "AIO_SUSPEND"
1880 #: build/C/man3/aio_suspend.3:27
1881 msgid "aio_suspend - wait for asynchronous I/O operation or timeout"
1882 msgstr "aio_suspend - 非同期 I/O 操作またはタイムアウトを待つ"
1885 #: build/C/man3/aio_suspend.3:31 build/C/man3/lio_listio.3:29
1887 msgid "B<#include E<lt>aio.hE<gt>>\n"
1888 msgstr "B<#include E<lt>aio.hE<gt>>\n"
1891 #: build/C/man3/aio_suspend.3:33
1893 msgid "B<int aio_suspend(const struct aiocb * const >I<aiocb_list>B<[],>\n"
1894 msgstr "B<int aio_suspend(const struct aiocb * const >I<aiocb_list>B<[],>\n"
1897 #: build/C/man3/aio_suspend.3:35
1899 msgid "B< int >I<nitems>B<, const struct timespec *>I<timeout>B<);>\n"
1900 msgstr "B< int >I<nitems>B<, const struct timespec *>I<timeout>B<);>\n"
1903 #: build/C/man3/aio_suspend.3:37 build/C/man3/lio_listio.3:34
1905 msgid "Link with I<-lrt>.\n"
1906 msgstr "I<-lrt> でリンクする。\n"
1909 #: build/C/man3/aio_suspend.3:42
1911 "The B<aio_suspend>() function suspends the calling thread until one of the "
1916 #: build/C/man3/aio_suspend.3:46
1918 "One or more of the asynchronous I/O requests in the list I<aiocb_list> has "
1923 #: build/C/man3/aio_suspend.3:48
1924 msgid "A signal is delivered."
1928 #: build/C/man3/aio_suspend.3:55
1930 "I<timeout> is not NULL and the specified time interval has passed. (For "
1931 "details of the I<timespec> structure, see B<nanosleep>(2).)"
1935 #: build/C/man3/aio_suspend.3:73
1937 "The I<nitems> argument specifies the number of items in I<aiocb_list>. Each "
1938 "item in the list pointed to by I<aiocb_list> must be either NULL (and then "
1939 "is ignored), or a pointer to a control block on which I/O was initiated "
1940 "using B<aio_read>(3), B<aio_write>(3), or B<lio_listio>(3). (See B<aio>(7) "
1941 "for a description of the I<aiocb> structure.)"
1943 "I<nitems> 引き数は I<aiocb_list> の要素数を指定する。\n"
1944 "I<aiocb_list> が指すリストの各要素は、NULL (これは無視される) か、\n"
1945 "B<aio_read>(3), B<aio_write>(3), B<lio_listio>(3) を使って I/O が開始された\n"
1946 "制御ブロックへのポインタでなければならない。\n"
1947 "(I<aiocb> 構造体の説明は B<aio>(7) を参照)"
1950 #: build/C/man3/aio_suspend.3:79
1952 "If B<CLOCK_MONOTONIC> is supported, this clock is used to measure the "
1953 "timeout interval (see B<clock_gettime>(3))."
1955 "B<CLOCK_MONOTONIC> がサポートされる場合、 このクロックを使ってタイムアウトの\n"
1956 "間隔が計測される (B<clock_gettime>(3) を参照)。"
1959 #: build/C/man3/aio_suspend.3:87
1961 "If this function returns after completion of one of the I/O requests "
1962 "specified in I<aiocb_list>, 0 is returned. Otherwise, -1 is returned, and "
1963 "I<errno> is set to indicate the error."
1965 "I<aiocb_list> で指定された I/O リクエストの 1 つが完了した後に\n"
1966 "この関数が返った場合は、0 が返される。\n"
1967 "それ以外の場合は、 -1 が返り、 I<errno> にエラーを示す値に設定される。"
1970 #: build/C/man3/aio_suspend.3:92
1972 "The call timed out before any of the indicated operations had completed."
1973 msgstr "指示された操作のどれも完了しないうちに、呼び出しがタイムアウトした。"
1976 #: build/C/man3/aio_suspend.3:92 build/C/man2/io_getevents.2:69
1977 #: build/C/man3/lio_listio.3:168
1983 #: build/C/man3/aio_suspend.3:98
1985 "The call was ended by signal (possibly the completion signal of one of the "
1986 "operations we were waiting for); see B<signal>(7)."
1988 "この呼び出しがシグナルによって終了させられた (このシグナルは、完了を待っていた\n"
1989 "操作のいずれかの完了シグナルの可能性もある)。B<signal>(7) 参照。"
1992 #: build/C/man3/aio_suspend.3:102
1993 msgid "The B<aio_suspend>() function is available since glibc 2.1."
1997 #: build/C/man3/aio_suspend.3:108
1999 "One can achieve polling by using a non-NULL I<timeout> that specifies a zero "
2002 "時間間隔が 0 であることを指定する NULL ではない I<timeout> を使って、ポーリン"
2006 #: build/C/man3/aio_suspend.3:114
2008 "If one or more of the asynchronous I/O operations specified in I<aiocb_list> "
2009 "has already completed at the time of the call to B<aio_suspend>(), then the "
2010 "call returns immediately."
2014 #: build/C/man3/aio_suspend.3:124
2016 "To determine which I/O operations have completed after a successful return "
2017 "from B<aio_suspend>(), use B<aio_error>(3) to scan the list of I<aiocb> "
2018 "structures pointed to by I<aiocb_list>."
2022 #: build/C/man3/aio_suspend.3:133
2024 "B<aio_cancel>(3), B<aio_error>(3), B<aio_fsync>(3), B<aio_read>(3), "
2025 "B<aio_return>(3), B<aio_write>(3), B<lio_listio>(3), B<aio>(7), B<time>(7)"
2026 msgstr "B<aio_cancel>(3), B<aio_error>(3), B<aio_fsync>(3), B<aio_read>(3), B<aio_return>(3), B<aio_write>(3), B<lio_listio>(3), B<aio>(7), B<time>(7)"
2029 #: build/C/man3/aio_write.3:23
2035 #: build/C/man3/aio_write.3:26
2036 msgid "aio_write - asynchronous write"
2037 msgstr "aio_write - 非同期で書き込む"
2040 #: build/C/man3/aio_write.3:30
2041 msgid "B<int aio_write(struct aiocb *>I<aiocbp>B<);>"
2042 msgstr "B<int aio_write(struct aiocb *>I<aiocbp>B<);>"
2045 #: build/C/man3/aio_write.3:40
2047 "The B<aio_write>() function queues the I/O request described by the buffer "
2048 "pointed to by I<aiocb>. This function is the asynchronous analog of B<write>"
2049 "(2). The arguments of the call"
2053 #: build/C/man3/aio_write.3:42
2055 msgid " write(fd, buf, count)\n"
2059 #: build/C/man3/aio_write.3:68
2061 "If B<O_APPEND> is not set, the data is written starting at the absolute file "
2062 "offset I<aiocbp-E<gt>aio_offset>, regardless of the current file offset. If "
2063 "B<O_APPEND> is set, data is written at the end of the file in the same order "
2064 "as B<aio_write>() calls are made. After the call, the value of the current "
2065 "file offset is unspecified."
2067 "B<O_APPEND> が設定されない場合、カレントのファイルオフセットに関係なく、 \n"
2068 "データは絶対ファイルオフセット I<aiocbp-E<gt>aio_offset> を開始点として書き込まれる。\n"
2069 "B<O_APPEND> が設定されている場合、データはファイルの末尾に、\n"
2070 "B<aio_write>() の呼び出しが行われたのと同じ順序で書き込まれる。\n"
2071 "この呼び出しの後のカレントのファイルオフセットは規定されていない。"
2074 #: build/C/man3/aio_write.3:81
2076 "The \"asynchronous\" means that this call returns as soon as the request has "
2077 "been enqueued; the write may or may not have completed when the call "
2078 "returns. One tests for completion using B<aio_error>(3). The return status "
2079 "of a completed I/O operation can be obtained B<aio_return>(3). Asynchronous "
2080 "notification of I/O completion can be obtained by setting I<aiocbp-"
2081 "E<gt>aio_sigevent> appropriately; see B<sigevent>(7) for details."
2083 "「非同期」とは「リクエストがキューに入れられたら、この呼び出しはすぐに返る」\n"
2084 "ということである。 呼び出しから戻った時に、書き込みは完了しているかも知れないし、\n"
2085 "完了していないかも知れない。 B<aio_error>(3) を使うことで完了したかをテストできる。\n"
2086 "完了した I/O 操作の返り値は B<aio_return>(3) で取得できる。\n"
2087 "I<aiocbp-E<gt>aio_sigevent> を適切に設定することで、\n"
2088 "I/O 完了の非同期通知は受けることもできる。詳細は B<sigevent>(7) を参照。"
2091 #: build/C/man3/aio_write.3:94
2092 msgid "No data is written to a regular file beyond its maximum offset."
2093 msgstr "最大オフセットを超えた通常のファイルには、何もデータが書き込まれない。"
2096 #: build/C/man3/aio_write.3:117
2102 #: build/C/man3/aio_write.3:121
2104 "The file is a regular file, we want to write at least one byte, but the "
2105 "starting position is at or beyond the maximum offset for this file."
2107 "ファイルは通常のファイルであり、少なくとも 1 バイトを書き込もうとしている。 "
2108 "しかし開始位置が、このファイルの最大オフセットと同じかそれを超えている。"
2111 #: build/C/man3/aio_write.3:128
2113 "One or more of I<aio_offset>, I<aio_reqprio>, I<aio_nbytes> are invalid."
2115 "I<aio_offset>, I<aio_reqprio>, I<aio_nbytes> のうち 1 つ以上が無効である。"
2118 #: build/C/man3/aio_write.3:135
2119 msgid "The B<aio_write>() function is available since glibc 2.1."
2122 #. or the control block of the operation
2124 #: build/C/man3/aio_write.3:145
2126 "It is a good idea to zero out the control block before use. The control "
2127 "block must not be changed while the write operation is in progress. The "
2128 "buffer area being written out must not be accessed during the operation or "
2129 "undefined results may occur. The memory areas involved must remain valid."
2131 "使用する前に制御ブロックを 0 にしておくのは、よい考えである。 この制御ブロッ"
2132 "クは、読み込み操作が進行している間は変更すべきでない。 読み込まれるバッファ領"
2133 "域は 操作の最中にアクセスすべきではない。 さもないと起こる結果が不定になる。 "
2134 "これに含まれるメモリ領域は、有効なままにしなければならない。"
2137 #: build/C/man3/aio_write.3:157
2139 "B<aio_cancel>(3), B<aio_error>(3), B<aio_fsync>(3), B<aio_read>(3), "
2140 "B<aio_return>(3), B<aio_suspend>(3), B<lio_listio>(3), B<aio>(7)"
2141 msgstr "B<aio_cancel>(3), B<aio_error>(3), B<aio_fsync>(3), B<aio_read>(3), B<aio_return>(3), B<aio_suspend>(3), B<lio_listio>(3), B<aio>(7)"
2144 #: build/C/man2/io_cancel.2:23
2150 #: build/C/man2/io_cancel.2:23 build/C/man2/io_destroy.2:23
2151 #: build/C/man2/io_setup.2:23 build/C/man2/io_submit.2:23
2157 #: build/C/man2/io_cancel.2:26
2158 msgid "io_cancel - cancel an outstanding asynchronous I/O operation"
2159 msgstr "io_cancel - 未処理の非同期 I/O 操作の取り消し"
2163 #. #include <linux/aio.h>
2165 #: build/C/man2/io_cancel.2:33 build/C/man2/io_destroy.2:32
2166 #: build/C/man2/io_setup.2:32 build/C/man2/io_submit.2:32
2168 msgid "B<#include E<lt>libaio.hE<gt>>\n"
2169 msgstr "B<#include E<lt>libaio.hE<gt>>\n"
2175 #: build/C/man2/io_cancel.2:39
2178 "B<int io_cancel(aio_context_t >I<ctx_id>B<, struct iocb *>I<iocb>B<,>\n"
2179 "B< struct io_event *>I<result>B<);>\n"
2181 "B<int io_cancel(aio_context_t >I<ctx_id>B<, struct iocb *>I<iocb>B<,>\n"
2182 "B< struct io_event *>I<result>B<);>\n"
2185 #: build/C/man2/io_cancel.2:41 build/C/man2/io_destroy.2:39
2186 #: build/C/man2/io_getevents.2:42 build/C/man2/io_setup.2:39
2187 #: build/C/man2/io_submit.2:40
2189 msgid "Link with I<-laio>.\n"
2190 msgstr "I<-laio> とリンクする。\n"
2193 #: build/C/man2/io_cancel.2:51
2195 "B<io_cancel>() attempts to cancel an asynchronous I/O operation previously "
2196 "submitted with B<io_submit>(2). I<ctx_id> is the AIO context ID of the "
2197 "operation to be canceled. If the AIO context is found, the event will be "
2198 "canceled and then copied into the memory pointed to by I<result> without "
2199 "being placed into the completion queue."
2201 "B<io_cancel>() は、過去に B<io_submit>(2) を使って登録された非同期 I/O "
2202 "(AIO) 操作の取り消しを行おうとする。 I<ctx_id> は、取り消しを行う操作の AIO "
2203 "コンテキストの ID である。 指定した AIO コンテキストが見つかると、 対象のイベ"
2204 "ントの取り消しが行われ、その後 I<result> で指されたメモリに コピーされる (こ"
2205 "のとき、完了キューへの移動は行われない)。"
2208 #: build/C/man2/io_cancel.2:56
2210 "On success, B<io_cancel>() returns 0. For the failure return, see NOTES."
2212 "成功した場合、 B<io_cancel>() は 0 を返す。 失敗時の返り値については、「注"
2216 #: build/C/man2/io_cancel.2:60
2217 msgid "The I<iocb> specified was not canceled."
2218 msgstr "指定された I<iocb> の取り消しが行われなかった。"
2221 #: build/C/man2/io_cancel.2:60 build/C/man2/io_destroy.2:54
2222 #: build/C/man2/io_getevents.2:61 build/C/man2/io_setup.2:58
2223 #: build/C/man2/io_submit.2:61
2229 #: build/C/man2/io_cancel.2:63 build/C/man2/io_submit.2:64
2230 msgid "One of the data structures points to invalid data."
2231 msgstr "データ構造の中に無効なデータを指しているものがある。"
2234 #: build/C/man2/io_cancel.2:66
2235 msgid "The AIO context specified by I<ctx_id> is invalid."
2236 msgstr "I<ctx_id> で指定された AIO コンテキストが無効である。"
2239 #: build/C/man2/io_cancel.2:70
2240 msgid "B<io_cancel>() is not implemented on this architecture."
2241 msgstr "B<io_cancel>() はこのアーキテクチャでは実装されていない。"
2244 #: build/C/man2/io_cancel.2:73 build/C/man2/io_destroy.2:67
2245 #: build/C/man2/io_getevents.2:80 build/C/man2/io_setup.2:76
2246 #: build/C/man2/io_submit.2:78
2248 "The asynchronous I/O system calls first appeared in Linux 2.5, August 2002."
2249 msgstr "非同期 I/O システム・コールは 2002年8月に Linux 2.5 で初めて登場した。"
2252 #: build/C/man2/io_cancel.2:78
2254 "B<io_cancel>() is Linux-specific and should not be used in programs that "
2255 "are intended to be portable."
2257 "B<io_cancel>() は Linux 固有であり、移植を想定したプログラムで使用すべきでは"
2261 #: build/C/man2/io_cancel.2:80 build/C/man2/io_destroy.2:74
2262 #: build/C/man2/io_getevents.2:87 build/C/man2/io_setup.2:83
2263 #: build/C/man2/io_submit.2:85
2264 msgid "Glibc does not provide a wrapper function for this system call."
2265 msgstr "glibc はこのシステムコール用のラッパー関数を提供していない。"
2268 #: build/C/man2/io_cancel.2:94
2270 "The wrapper provided in I<libaio> for B<io_cancel>() does not follow the "
2271 "usual C library conventions for indicating error: on error it returns a "
2272 "negated error number (the negative of one of the values listed in ERRORS). "
2273 "If the system call is invoked via B<syscall>(2), then the return value "
2274 "follows the usual conventions for indicating an error: -1, with I<errno> set "
2275 "to a (positive) value that indicates the error."
2277 "I<libaio> で B<io_cancel>() 用に提供されているラッパー関数は、エラーの通知が"
2278 "通常の C ライブラリの 慣習にしたがっておらず、エラーの場合には負のエラー番号 "
2279 "(エラーの節に列挙されている値の一つを負にしたもの) が返り値となる。 "
2280 "B<syscall>(2) 経由でシステムコールを起動すると、返り値は通常のエラー通知の慣"
2281 "習に したがってものとなり、エラーの場合には -1 が返り、 I<errno> にエラーを示"
2285 #: build/C/man2/io_cancel.2:99
2287 "B<io_destroy>(2), B<io_getevents>(2), B<io_setup>(2), B<io_submit>(2), B<aio>"
2290 "B<io_destroy>(2), B<io_getevents>(2), B<io_setup>(2), B<io_submit>(2), B<aio>"
2294 #: build/C/man2/io_destroy.2:23
2300 #: build/C/man2/io_destroy.2:26
2301 msgid "io_destroy - destroy an asynchronous I/O context"
2302 msgstr "io_destroy - 非同期 I/O コンテキストの消去"
2308 #: build/C/man2/io_destroy.2:37
2310 msgid "B<int io_destroy(aio_context_t >I<ctx>B<);>\n"
2311 msgstr "B<int io_destroy(aio_context_t >I<ctx>B<);>\n"
2314 #: build/C/man2/io_destroy.2:48
2316 "B<io_destroy>() removes the asynchronous I/O context from the list of I/O "
2317 "contexts and then destroys it. B<io_destroy>() can also cancel any "
2318 "outstanding asynchronous I/O actions on I<ctx> and block on completion."
2320 "B<io_destroy>() は、I/O コンテキストのリストから指定された非同期 I/O コンテ"
2321 "キストを削除した後、そのコンテキストを消去する。 B<io_destroy>() は、I<ctx> "
2322 "上に未処理の非同期 I/O 命令及び 完了キューのブロックの取り消しも行うことがで"
2326 #: build/C/man2/io_destroy.2:53
2328 "On success, B<io_destroy>() returns 0. For the failure return, see NOTES."
2330 "成功した場合、 B<io_destroy>() は 0 を返す。 失敗時の返り値については、「注"
2334 #: build/C/man2/io_destroy.2:57
2335 msgid "The context pointed to is invalid."
2336 msgstr "データ構造の中に無効なデータを指しているものがある。"
2339 #: build/C/man2/io_destroy.2:60
2340 msgid "The AIO context specified by I<ctx> is invalid."
2341 msgstr "I<ctx> で指定された AIO コンテキストが無効である。"
2344 #: build/C/man2/io_destroy.2:64
2345 msgid "B<io_destroy>() is not implemented on this architecture."
2346 msgstr "B<io_destroy>() はこのアーキテクチャでは実装されていない。"
2349 #: build/C/man2/io_destroy.2:72
2351 "B<io_destroy>() is Linux-specific and should not be used in programs that "
2352 "are intended to be portable."
2354 "B<io_destroy>() は Linux 固有であり、移植を想定したプログラムで使用すべきで"
2358 #: build/C/man2/io_destroy.2:88
2360 "The wrapper provided in I<libaio> for B<io_destroy>() does not follow the "
2361 "usual C library conventions for indicating error: on error it returns a "
2362 "negated error number (the negative of one of the values listed in ERRORS). "
2363 "If the system call is invoked via B<syscall>(2), then the return value "
2364 "follows the usual conventions for indicating an error: -1, with I<errno> set "
2365 "to a (positive) value that indicates the error."
2367 "I<libaio> で B<io_destroy>() 用に提供されているラッパー関数は、エラーの通知"
2368 "が通常の C ライブラリの 慣習にしたがっておらず、エラーの場合には負のエラー番"
2369 "号 (エラーの節に列挙されている値の一つを負にしたもの) が返り値となる。 "
2370 "B<syscall>(2) 経由でシステムコールを起動すると、返り値は通常のエラー通知の慣"
2371 "習に したがってものとなり、エラーの場合には -1 が返り、 I<errno> にエラーを示"
2375 #: build/C/man2/io_destroy.2:93
2377 "B<io_cancel>(2), B<io_getevents>(2), B<io_setup>(2), B<io_submit>(2), B<aio>"
2380 "B<io_cancel>(2), B<io_getevents>(2), B<io_setup>(2), B<io_submit>(2), B<aio>"
2384 #: build/C/man2/io_getevents.2:23
2386 msgid "IO_GETEVENTS"
2387 msgstr "IO_GETEVENTS"
2390 #: build/C/man2/io_getevents.2:23
2396 #: build/C/man2/io_getevents.2:26
2397 msgid "io_getevents - read asynchronous I/O events from the completion queue"
2398 msgstr "io_getevents - 完了キューから非同期 I/O イベントを読み出す"
2402 #. #include <linux/aio.h>
2404 #: build/C/man2/io_getevents.2:33
2407 "B<#include E<lt>linux/time.hE<gt>>\n"
2408 "B<#include E<lt>libaio.hE<gt>>\n"
2410 "B<#include E<lt>linux/time.hE<gt>>\n"
2411 "B<#include E<lt>libaio.hE<gt>>\n"
2417 #: build/C/man2/io_getevents.2:40
2420 "B<int io_getevents(aio_context_t >I<ctx_id>B<, long >I<min_nr>B<, long >I<nr>B<,>\n"
2421 "B< struct io_event *>I<events>B<, struct timespec *>I<timeout>B<);>\n"
2423 "B<int io_getevents(aio_context_t >I<ctx_id>B<, long >I<min_nr>B<, long >I<nr>B<,>\n"
2424 "B< struct io_event *>I<events>B<, struct timespec *>I<timeout>B<);>\n"
2427 #: build/C/man2/io_getevents.2:54
2429 "B<io_getevents>() attempts to read at least I<min_nr> events and up to "
2430 "I<nr> events from the completion queue of the AIO context specified by "
2431 "I<ctx_id>. I<timeout> specifies the amount of time to wait for events, "
2432 "where a NULL timeout waits until at least I<min_nr> events have been seen. "
2433 "Note that I<timeout> is relative and will be updated if not NULL and the "
2436 "B<io_getevents>() は、少なくとも I<min_nr> の、最大 I<nr> 個の イベントを、 "
2437 "I<ctx_id> で指定された AIO (非同期 I/O) コンテキストの 完了キューから読み出そ"
2438 "うとする。 I<timeout> はイベント読み出しの待ち時間の合計を指定する。 タイムア"
2439 "ウトに NULL を指定した場合、少なくとも I<min_nr> 個のイベントが 読み出される"
2440 "まで待つことを意味する。 注意点を以下にあげる: I<timeout> は相対的な指定であ"
2441 "る。 NULL でない場合更新されることもありえる。 呼び出し元の動作は停止する。"
2444 #: build/C/man2/io_getevents.2:60
2446 "On success, B<io_getevents>() returns the number of events read: 0 if no "
2447 "events are available, or less than I<min_nr> if the I<timeout> has elapsed. "
2448 "For the failure return, see NOTES."
2450 "成功すると、 B<io_getevents>() は読み出したイベント数を返す。 イベントが一つ"
2451 "も読み出されなかった場合は 0 が返され、 I<timeout> 時間が経過した場合は "
2452 "I<min_nr> 未満の値が返される。 失敗時の返り値については、「注意」の節を参照す"
2456 #: build/C/man2/io_getevents.2:64
2457 msgid "Either I<events> or I<timeout> is an invalid pointer."
2458 msgstr "I<events> または I<timeout> が無効なポインタである。"
2461 #: build/C/man2/io_getevents.2:69
2463 "I<ctx_id> is invalid. I<min_nr> is out of range or I<nr> is out of range."
2465 "I<ctx_id> が無効である。もしくは、I<min_nr> または I<nr> が 範囲外の値であ"
2469 #: build/C/man2/io_getevents.2:73
2470 msgid "Interrupted by a signal handler; see B<signal>(7)."
2471 msgstr "シグナルハンドラにより割り込まれた。 B<signal>(7) 参照。"
2474 #: build/C/man2/io_getevents.2:77
2475 msgid "B<io_getevents>() is not implemented on this architecture."
2476 msgstr "B<io_getevents>() がこのアーキテクチャでは実装されていない。"
2479 #: build/C/man2/io_getevents.2:85
2481 "B<io_getevents>() is Linux-specific and should not be used in programs that "
2482 "are intended to be portable."
2484 "B<io_getevents>() は Linux 固有であり、移植を想定したプログラムで 使用すべき"
2488 #: build/C/man2/io_getevents.2:101
2490 "The wrapper provided in I<libaio> for B<io_getevents>() does not follow the "
2491 "usual C library conventions for indicating error: on error it returns a "
2492 "negated error number (the negative of one of the values listed in ERRORS). "
2493 "If the system call is invoked via B<syscall>(2), then the return value "
2494 "follows the usual conventions for indicating an error: -1, with I<errno> set "
2495 "to a (positive) value that indicates the error."
2497 "I<libaio> で B<io_getevents>() 用に提供されているラッパー関数は、エラーの通"
2498 "知が通常の C ライブラリの 慣習にしたがっておらず、エラーの場合には負のエラー"
2499 "番号 (エラーの節に列挙されている値の一つを負にしたもの) が返り値となる。 "
2500 "B<syscall>(2) 経由でシステムコールを起動すると、返り値は通常のエラー通知の慣"
2501 "習に したがってものとなり、エラーの場合には -1 が返り、 I<errno> にエラーを示"
2505 #: build/C/man2/io_getevents.2:108
2507 "B<io_cancel>(2), B<io_destroy>(2), B<io_setup>(2), B<io_submit>(2), B<aio>"
2510 "B<io_cancel>(2), B<io_destroy>(2), B<io_setup>(2), B<io_submit>(2), B<aio>"
2514 #: build/C/man2/io_setup.2:23
2520 #: build/C/man2/io_setup.2:26
2521 msgid "io_setup - create an asynchronous I/O context"
2522 msgstr "io_setup - 非同期 I/O コンテキストを作成する"
2528 #: build/C/man2/io_setup.2:37
2530 msgid "B<int io_setup(unsigned >I<nr_events>B<, aio_context_t *>I<ctxp>B<);>\n"
2531 msgstr "B<int io_setup(unsigned >I<nr_events>B<, aio_context_t *>I<ctxp>B<);>\n"
2534 #: build/C/man2/io_setup.2:49
2536 "B<io_setup>() creates an asynchronous I/O context capable of receiving at "
2537 "least I<nr_events>. I<ctxp> must not point to an AIO context that already "
2538 "exists, and must be initialized to 0 prior to the call. On successful "
2539 "creation of the AIO context, I<*ctxp> is filled in with the resulting handle."
2541 "B<io_setup>() は、少なくとも I<nr_events> 個のイベントを受信可能な 非同期 I/"
2542 "O (AIO) コンテキストの作成を行う。 I<ctxp> は、すでに存在する AIO コンテキス"
2543 "トを指していてはならず、 B<io_setup>() の呼び出しの前に 0 に初期化されていな"
2544 "ければならない。 AIO コンテキストの作成に成功すると、I<*ctxp> に作成された "
2545 "AIO コンテキストへのポインタがセットされる。"
2548 #: build/C/man2/io_setup.2:54
2550 "On success, B<io_setup>() returns 0. For the failure return, see NOTES."
2552 "成功した場合、 B<io_setup>() は 0 を返す。 失敗時の返り値については、「注"
2556 #: build/C/man2/io_setup.2:58
2558 "The specified I<nr_events> exceeds the user's limit of available events."
2560 "指定された I<nr_events> がユーザが使用できるイベント数の上限を越えている。"
2563 #: build/C/man2/io_setup.2:61
2564 msgid "An invalid pointer is passed for I<ctxp>."
2565 msgstr "I<ctxp> に無効なポインタが指定されている。"
2568 #: build/C/man2/io_setup.2:66
2570 "I<ctxp> is not initialized, or the specified I<nr_events> exceeds internal "
2571 "limits. I<nr_events> should be greater than 0."
2573 "I<ctxp> が初期化されていないか、指定された I<nr_events> が 内部の制限値を越え"
2574 "ている。また、 I<nr_events> は 0 より大きい値に 設定すべきである。"
2577 #: build/C/man2/io_setup.2:66
2583 #: build/C/man2/io_setup.2:69
2584 msgid "Insufficient kernel resources are available."
2585 msgstr "必要なカーネル・リソースを得られない。"
2588 #: build/C/man2/io_setup.2:73
2589 msgid "B<io_setup>() is not implemented on this architecture."
2590 msgstr "B<io_setup>() がこのアーキテクチャでは実装されていない。"
2593 #: build/C/man2/io_setup.2:81
2595 "B<io_setup>() is Linux-specific and should not be used in programs that are "
2596 "intended to be portable."
2598 "B<io_setup>() は Linux 固有であり、移植を想定したプログラムで 使用すべきでは"
2602 #: build/C/man2/io_setup.2:97
2604 "The wrapper provided in I<libaio> for B<io_setup>() does not follow the "
2605 "usual C library conventions for indicating error: on error it returns a "
2606 "negated error number (the negative of one of the values listed in ERRORS). "
2607 "If the system call is invoked via B<syscall>(2), then the return value "
2608 "follows the usual conventions for indicating an error: -1, with I<errno> set "
2609 "to a (positive) value that indicates the error."
2611 "I<libaio> で B<io_setup>() 用に提供されているラッパー関数は、エラーの通知が"
2612 "通常の C ライブラリの 慣習にしたがっておらず、エラーの場合には負のエラー番号 "
2613 "(エラーの節に列挙されている値の一つを負にしたもの) が返り値となる。 "
2614 "B<syscall>(2) 経由でシステムコールを起動すると、返り値は通常のエラー通知の慣"
2615 "習に したがってものとなり、エラーの場合には -1 が返り、 I<errno> にエラーを示"
2619 #: build/C/man2/io_setup.2:102
2621 "B<io_cancel>(2), B<io_destroy>(2), B<io_getevents>(2), B<io_submit>(2), "
2624 "B<io_cancel>(2), B<io_destroy>(2), B<io_getevents>(2), B<io_submit>(2), "
2628 #: build/C/man2/io_submit.2:23
2634 #: build/C/man2/io_submit.2:26
2635 msgid "io_submit - submit asynchronous I/O blocks for processing"
2636 msgstr "io_submit - 非同期 I/O ブロックを処理待ちキューに登録する"
2642 #: build/C/man2/io_submit.2:38
2644 msgid "B<int io_submit(aio_context_t >I<ctx_id>B<, long >I<nr>B<, struct iocb **>I<iocbpp>B<);>\n"
2645 msgstr "B<int io_submit(aio_context_t >I<ctx_id>B<, long >I<nr>B<, struct iocb **>I<iocbpp>B<);>\n"
2648 #: build/C/man2/io_submit.2:48
2650 "B<io_submit>() queues I<nr> I/O request blocks for processing in the AIO "
2651 "context I<ctx_id>. I<iocbpp> should be an array of I<nr> AIO control "
2652 "blocks, which will be submitted to context I<ctx_id>."
2654 "B<io_submit>() は、AIO コンテキスト I<ctx_id> に I<nr> 個の I/O リクエストを"
2655 "処理待ちとしてキューに追加する。 I<iocbpp> は、AIO コンテキスト I<ctx_id> に"
2656 "登録される I<nr> 個の AIO 制御ブロックの配列になっていなければならない。"
2659 #: build/C/man2/io_submit.2:54
2661 "On success, B<io_submit>() returns the number of I<iocb>s submitted (which "
2662 "may be 0 if I<nr> is zero). For the failure return, see NOTES."
2664 "成功すると、 B<io_submit>() は登録した I<iocb> の個数を返す (I<nr> が 0 の場"
2665 "合は 0 を返す)。 失敗時の返り値については、「注意」の節を参照すること。"
2668 #: build/C/man2/io_submit.2:58
2669 msgid "Insufficient resources are available to queue any I<iocb>s."
2670 msgstr "何個かの I<iocb> をキューに入れるのに必要なリソースが得られない。"
2673 #: build/C/man2/io_submit.2:61
2674 msgid "The file descriptor specified in the first I<iocb> is invalid."
2675 msgstr "先頭の I<iocb> に指定されたファイル・ディスクリプタが無効である。"
2678 #: build/C/man2/io_submit.2:71
2680 "The I<aio_context> specified by I<ctx_id> is invalid. I<nr> is less than "
2681 "0. The I<iocb> at *iocbpp[0] is not properly initialized, or the operation "
2682 "specified is invalid for the file descriptor in the I<iocb>."
2684 "I<ctx_id> で指定された I<aio_context> が無効である。 I<nr> が 0 未満である。 "
2685 "*iocbpp[0] の I<iocb> が適切に初期化されていないか、 指定された操作がその "
2686 "I<iocb> 中のファイル・ディスクリプタに対して 無効である。"
2689 #: build/C/man2/io_submit.2:75
2690 msgid "B<io_submit>() is not implemented on this architecture."
2691 msgstr "B<io_submit>() はこのアーキテクチャでは実装されていない。"
2694 #: build/C/man2/io_submit.2:83
2696 "B<io_submit>() is Linux-specific and should not be used in programs that "
2697 "are intended to be portable."
2699 "B<io_submit>() は Linux 固有であり、移植を想定したプログラムで 使用すべきで"
2703 #: build/C/man2/io_submit.2:99
2705 "The wrapper provided in I<libaio> for B<io_submit>() does not follow the "
2706 "usual C library conventions for indicating error: on error it returns a "
2707 "negated error number (the negative of one of the values listed in ERRORS). "
2708 "If the system call is invoked via B<syscall>(2), then the return value "
2709 "follows the usual conventions for indicating an error: -1, with I<errno> set "
2710 "to a (positive) value that indicates the error."
2712 "I<libaio> で B<io_submit>() 用に提供されているラッパー関数は、エラーの通知が"
2713 "通常の C ライブラリの 慣習にしたがっておらず、エラーの場合には負のエラー番号 "
2714 "(エラーの節に列挙されている値の一つを負にしたもの) が返り値となる。 "
2715 "B<syscall>(2) 経由でシステムコールを起動すると、返り値は通常のエラー通知の慣"
2716 "習に したがってものとなり、エラーの場合には -1 が返り、 I<errno> にエラーを示"
2720 #: build/C/man2/io_submit.2:104
2722 "B<io_cancel>(2), B<io_destroy>(2), B<io_getevents>(2), B<io_setup>(2), B<aio>"
2725 "B<io_cancel>(2), B<io_destroy>(2), B<io_getevents>(2), B<io_setup>(2), B<aio>"
2729 #: build/C/man3/lio_listio.3:23
2735 #: build/C/man3/lio_listio.3:23
2741 #: build/C/man3/lio_listio.3:26
2742 msgid "lio_listio - initiate a list of I/O requests"
2746 #: build/C/man3/lio_listio.3:32
2749 "B<int lio_listio(int >I<mode>B<, struct aiocb *const >I<aiocb_list>B<[],>\n"
2750 "B< int >I<nitems>B<, struct sigevent *>I<sevp>B<);>\n"
2752 "B<int lio_listio(int >I<mode>B<, struct aiocb *const >I<aiocb_list>B<[],>\n"
2753 "B< int >I<nitems>B<, struct sigevent *>I<sevp>B<);>\n"
2756 #: build/C/man3/lio_listio.3:40
2758 "The B<lio_listio>() function initiates the list of I/O operations described "
2759 "by the array I<aiocb_list>."
2763 #: build/C/man3/lio_listio.3:44
2764 msgid "The I<mode> operation has one of the following values:"
2768 #: build/C/man3/lio_listio.3:44
2771 msgstr "B<LIO_WAIT>"
2774 #: build/C/man3/lio_listio.3:50
2776 "The call blocks until all operations are complete. The I<sevp> argument is "
2781 #: build/C/man3/lio_listio.3:50
2783 msgid "B<LIO_NOWAIT>"
2784 msgstr "B<LIO_NOWAIT>"
2787 #: build/C/man3/lio_listio.3:62
2789 "The I/O operations are queued for processing and the call returns "
2790 "immediately. When the I/O operations complete, asynchronous notification "
2791 "occurs, as specified by the I<sevp> argument; see B<sigevent>(7) for "
2792 "details. If I<sevp> is NULL, no asynchronous notification occurs."
2796 #: build/C/man3/lio_listio.3:76
2798 "The I<aiocb_list> argument is an array of pointers to I<aiocb> structures "
2799 "that describe I/O operations. These operations are executed in an "
2800 "unspecified order. The I<nitems> argument specifies the size of the array "
2801 "I<aiocb_list>. NULL pointers in I<aiocb_list> are ignored."
2805 #: build/C/man3/lio_listio.3:82
2807 "In each control block in I<aiocb_list>, the I<aio_lio_opcode> field "
2808 "specifies the I/O operation to be initiated, as follows:"
2812 #: build/C/man3/lio_listio.3:82
2815 msgstr "B<LIO_READ>"
2818 #: build/C/man3/lio_listio.3:88
2820 "Initiate a read operation. The operation is queued as for a call to "
2821 "B<aio_read>(3) specifying this control block."
2825 #: build/C/man3/lio_listio.3:88
2827 msgid "B<LIO_WRITE>"
2828 msgstr "B<LIO_WRITE>"
2831 #: build/C/man3/lio_listio.3:94
2833 "Initiate a write operation. The operation is queued as for a call to "
2834 "B<aio_write>(3) specifying this control block."
2838 #: build/C/man3/lio_listio.3:94
2844 #: build/C/man3/lio_listio.3:97
2845 msgid "Ignore this control block."
2849 #: build/C/man3/lio_listio.3:107
2851 "The remaining fields in each control block have the same meanings as for "
2852 "B<aio_read>(3) and B<aio_write>(3). The I<aio_sigevent> fields of each "
2853 "control block can be used to specify notifications for the individual I/O "
2854 "operations (see B<sigevent>(7))."
2858 #: build/C/man3/lio_listio.3:117
2860 "If I<mode> is B<LIO_NOWAIT>, B<lio_listio>() returns 0 if all I/O "
2861 "operations are successfully queued. Otherwise, -1 is returned, and I<errno> "
2862 "is set to indicate the error."
2866 #: build/C/man3/lio_listio.3:127
2868 "If I<mode> is B<LIO_WAIT>, B<lio_listio>() returns 0 when all of the I/O "
2869 "operations have completed successfully. Otherwise, -1 is returned, and "
2870 "I<errno> is set to indicate the error."
2874 #: build/C/man3/lio_listio.3:145
2876 "The return status from B<lio_listio>() provides information only about the "
2877 "call itself, not about the individual I/O operations. One or more of the I/"
2878 "O operations may fail, but this does not prevent other operations "
2879 "completing. The status of individual I/O operations in I<aiocb_list> can be "
2880 "determined using B<aio_error>(3). When an operation has completed, its "
2881 "return status can be obtained using B<aio_return>(3). Individual I/O "
2882 "operations can fail for the reasons described in B<aio_read>(3) and "
2887 #: build/C/man3/lio_listio.3:149
2888 msgid "The B<lio_listio>() function may fail for the following reasons:"
2891 #. Doesn't happen in glibc(?)
2893 #: build/C/man3/lio_listio.3:160
2895 "The number of I/O operations specified by I<nitems> would cause the limit "
2896 "B<AIO_MAX> to be exceeded."
2899 #. Doesn't happen in glibc(?)
2901 #: build/C/man3/lio_listio.3:168
2902 msgid "I<mode> is invalid, or I<nitems> exceeds the limit B<AIO_LISTIO_MAX>."
2906 #: build/C/man3/lio_listio.3:177
2908 "I<mode> was B<LIO_WAIT> and a signal was caught before all I/O operations "
2909 "completed. (This may even be one of the signals used for asynchronous I/O "
2910 "completion notification.)"
2914 #: build/C/man3/lio_listio.3:177
2919 #. e.g., ioa_reqprio or aio_lio_opcode was invalid
2921 #: build/C/man3/lio_listio.3:185
2923 "One of more of the operations specified by I<aiocb_list> failed. The "
2924 "application can check the status of each operation using B<aio_return>(3)."
2928 #: build/C/man3/lio_listio.3:200
2930 "If B<lio_listio>() fails with the error B<EAGAIN>, B<EINTR>, or B<EIO>, "
2931 "then some of the operations in I<aiocb_list> may have been initiated. If "
2932 "B<lio_listio>() fails for any other reason, then none of the I/O operations "
2933 "has been initiated."
2937 #: build/C/man3/lio_listio.3:204
2938 msgid "The B<lio_listio>() function is available since glibc 2.1."
2941 #. or the control block of the operation
2943 #: build/C/man3/lio_listio.3:214
2945 "It is a good idea to zero out the control blocks before use. The control "
2946 "blocks must not be changed while the I/O operations are in progress. The "
2947 "buffer areas being read into or written from must not be accessed during the "
2948 "operations or undefined results may occur. The memory areas involved must "
2953 #: build/C/man3/lio_listio.3:225
2955 "B<aio_cancel>(3), B<aio_error>(3), B<aio_fsync>(3), B<aio_return>(3), "
2956 "B<aio_suspend>(3), B<aio_write>(3), B<aio>(7)"
2958 "B<aio_cancel>(3), B<aio_error>(3), B<aio_fsync>(3), B<aio_return>(3), "
2959 "B<aio_suspend>(3), B<aio_write>(3), B<aio>(7)"
2962 #~ msgstr "この文書について"
2965 #~ "This page is part of release 3.38 of the Linux I<man-pages> project. A "
2966 #~ "description of the project, and information about reporting bugs, can be "
2967 #~ "found at http://www.kernel.org/doc/man-pages/."
2969 #~ "この man ページは Linux I<man-pages> プロジェクトのリリース 3.38 の一部で"
2971 #~ "プロジェクトの説明とバグ報告に関する情報は\n"
2972 #~ "http://www.kernel.org/doc/man-pages/ に書かれている。"
2975 #~ "This function returns B<EINPROGRESS> if the request has not been "
2976 #~ "completed yet. It returns B<ECANCELED> if the request was canceled. It "
2977 #~ "returns 0 if the request completed successfully. Otherwise an error "
2978 #~ "value is returned, the same value that would have been stored in the "
2979 #~ "I<errno> variable in case of a synchronous I<read>, I<write>, I<fsync>, "
2980 #~ "or I<fdatasync> request. On error, the error value is returned."
2982 #~ "リクエストがまだ完了していない場合、この関数は B<EINPROGRESS> を返す。リク"
2983 #~ "エストがキャンセルされた場合、この関数は B<ECANCELED> を返す。リクエストが"
2984 #~ "成功して完了した場合、この関数は 0 を返す。 それ以外の場合はエラー値が返さ"
2985 #~ "れる。 このエラー値は、同期 I<read>, I<write>, I<fsync>, I<fdatasync> リク"
2986 #~ "エストの場合に I<errno> に格納されるのと同じ値である。 エラーの場合はエ"
2990 #~ "The B<aio_read>() function requests an asynchronous \"n = read(fd, buf, "
2991 #~ "count)\" with fd, buf, count given by I<aiocbp-E<gt>aio_fildes>, I<aiocbp-"
2992 #~ "E<gt>aio_buf>, I<aiocbp-E<gt>aio_nbytes>, respectively. The return "
2993 #~ "status n can be retrieved upon completion using B<aio_return>(3)."
2995 #~ "B<aio_read>() 関数は非同期の \"n = read(fd, buf, count)\" をリクエストす"
2996 #~ "る。 ここで fd, buf, count は、それぞれ I<aiocbp-E<gt>aio_fildes>, "
2997 #~ "I<aiocbp-E<gt>aio_buf>, I<aiocbp-E<gt>aio_nbytes> で与えられる。 返り値 "
2998 #~ "(return status) n は、完了時に B<aio_return>(3) を使って取得できる。"
3001 #~ "The B<aio_suspend>() function suspends the calling process until at "
3002 #~ "least one of the asynchronous I/O requests in the list I<cblist> of "
3003 #~ "length I<n> have completed, a signal is delivered, or I<timeout> is not "
3004 #~ "NULL and the time interval it indicates has passed."
3006 #~ "B<aio_suspend>() 関数は、長さ I<n> のリスト I<cblist> に含まれる非同期 I/"
3007 #~ "O リクエストのうち少なくとも 1 つが完了するか、 シグナルが配送されるか、 "
3008 #~ "I<timeout> が NULL でなく、かつその時間が過ぎるまで、 呼び出したプロセスを"
3009 #~ "停止 (suspend) する。"
3012 #~ "The B<aio_write>() function requests an asynchronous \"n = write(fd, "
3013 #~ "buf, count)\" with fd, buf, count given by I<aiocbp-E<gt>aio_fildes>, "
3014 #~ "I<aiocbp-E<gt>aio_buf>, I<aiocbp-E<gt>aio_nbytes>, respectively. The "
3015 #~ "return status n can be retrieved upon completion using B<aio_return>(3)."
3017 #~ "B<aio_write>() 関数は非同期の \"n = write(fd, buf, count)\" をリクエスト"
3018 #~ "する。 ここで fd, buf, count は、それぞれ I<aiocbp-E<gt>aio_fildes>, "
3019 #~ "I<aiocbp-E<gt>aio_buf>, I<aiocbp-E<gt>aio_nbytes> で与えられる。 返り値 "
3020 #~ "(return status) n は、完了時に B<aio_return>(3) を使って取得できる。"