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Make sure syslogPipe runs in binary mode on Windows to avoid corrupting the pipe...
authorAndrew Dunstan <andrew@dunslane.net>
Thu, 2 Aug 2007 23:15:27 +0000 (23:15 +0000)
committerAndrew Dunstan <andrew@dunslane.net>
Thu, 2 Aug 2007 23:15:27 +0000 (23:15 +0000)
src/backend/postmaster/postmaster.c
src/backend/postmaster/syslogger.c

index f1f9eff..f187393 100644 (file)
@@ -37,7 +37,7 @@
  *
  *
  * IDENTIFICATION
- *       $PostgreSQL: pgsql/src/backend/postmaster/postmaster.c,v 1.535 2007/07/24 04:54:09 tgl Exp $
+ *       $PostgreSQL: pgsql/src/backend/postmaster/postmaster.c,v 1.536 2007/08/02 23:15:26 adunstan Exp $
  *
  * NOTES
  *
@@ -3385,6 +3385,15 @@ SubPostmasterMain(int argc, char *argv[])
 
        MyProcPid = getpid();           /* reset MyProcPid */
 
+       /* make sure stderr is in binary mode before anything can
+        * possibly be written to it, in case it's actually the syslogger pipe,
+        * so the pipe chunking protocol isn't disturbed. Non-logpipe data
+        * gets translated on redirection (e.g. via pg_ctl -l) anyway.
+        */
+#ifdef WIN32
+       _setmode(fileno(stderr),_O_BINARY);
+#endif
+
        /* Lose the postmaster's on-exit routines (really a no-op) */
        on_exit_reset();
 
index d07a681..8dc7353 100644 (file)
@@ -18,7 +18,7 @@
  *
  *
  * IDENTIFICATION
- *       $PostgreSQL: pgsql/src/backend/postmaster/syslogger.c,v 1.33 2007/07/19 19:13:43 adunstan Exp $
+ *       $PostgreSQL: pgsql/src/backend/postmaster/syslogger.c,v 1.34 2007/08/02 23:15:27 adunstan Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -194,6 +194,15 @@ SysLoggerMain(int argc, char *argv[])
                close(fd);
        }
 
+       /* Syslogger's own stderr can't be the syslogPipe, so set it back to
+        * text mode if we didn't just close it. 
+        * (It was set to binary in SubPostmasterMain).
+        */
+#ifdef WIN32
+       else
+               _setmode(_fileno(stderr),_O_TEXT);
+#endif
+
        /*
         * Also close our copy of the write end of the pipe.  This is needed to
         * ensure we can detect pipe EOF correctly.  (But note that in the restart
@@ -531,14 +540,20 @@ SysLogger_Start(void)
 #else
                                int                     fd;
 
+                               /*
+                                * open the pipe in binary mode and make sure
+                                * stderr is binary after it's been dup'ed into, to avoid
+                                * disturbing the pipe chunking protocol.
+                                */
                                fflush(stderr);
                                fd = _open_osfhandle((long) syslogPipe[1],
-                                                                        _O_APPEND | _O_TEXT);
+                                                                        _O_APPEND | _O_BINARY);
                                if (dup2(fd, _fileno(stderr)) < 0)
                                        ereport(FATAL,
                                                        (errcode_for_file_access(),
                                                         errmsg("could not redirect stderr: %m")));
                                close(fd);
+                               _setmode(_fileno(stderr),_O_BINARY);
                                /* Now we are done with the write end of the pipe. */
                                CloseHandle(syslogPipe[1]);
                                syslogPipe[1] = 0;
@@ -626,7 +641,7 @@ syslogger_parseArgs(int argc, char *argv[])
        fd = atoi(*argv++);
        if (fd != 0)
        {
-               fd = _open_osfhandle(fd, _O_APPEND);
+               fd = _open_osfhandle(fd, _O_APPEND | _O_TEXT);
                if (fd > 0)
                {
                        syslogFile = fdopen(fd, "a");
@@ -988,6 +1003,10 @@ logfile_rotate(bool time_based_rotation)
 
        setvbuf(fh, NULL, LBF_MODE, 0);
 
+#ifdef WIN32
+       _setmode(_fileno(fh), _O_TEXT); /* use CRLF line endings on Windows */
+#endif
+
        /* On Windows, need to interlock against data-transfer thread */
 #ifdef WIN32
        EnterCriticalSection(&sysfileSection);