LDP: Update original to LDP v3.79

[linuxjm/LDP_man-pages.git] / original / man2 / mmap.2

diff --git a/original/man2/mmap.2 b/original/man2/mmap.2
index 4c024b6..dbda22b 100644 (file)
--- a/original/man2/mmap.2
+++ b/original/man2/mmap.2
@@ -37,7 +37,7 @@
 .\" 2007-07-10, mtk, Added an example program.
 .\" 2008-11-18, mtk, document MAP_STACK
 .\"
-.TH MMAP 2 2014-04-06 "Linux" "Linux Programmer's Manual"
+.TH MMAP 2 2015-01-22 "Linux" "Linux Programmer's Manual"
 .SH NAME
 mmap, munmap \- map or unmap files or devices into memory
 .SH SYNOPSIS
@@ -465,6 +465,10 @@ but the mapped area belongs to a file on a filesystem that
 was mounted no-exec.
 .\" (Since 2.4.25 / 2.6.0.)
 .TP
+.B EPERM
+The operation was prevented by a file seal; see
+.BR fcntl (2).
+.TP
 .B ETXTBSY
 .B MAP_DENYWRITE
 was set but the object specified by
@@ -499,7 +503,7 @@ SVr4, 4.4BSD, POSIX.1-2001.
 .SH AVAILABILITY
 On POSIX systems on which
 .BR mmap (),
-.BR msync (2)
+.BR msync (2),
 and
 .BR munmap ()
 are available,
@@ -511,21 +515,6 @@ is defined in \fI<unistd.h>\fP to a value greater than 0.
 .\" -1: unavailable, 0: ask using sysconf().
 .\" glibc defines it to 1.
 .SH NOTES
-This page describes the interface provided by the glibc
-.BR mmap ()
-wrapper function.
-Originally, this function invoked a system call of the same name.
-Since kernel 2.4, that system call has been superseded by
-.BR mmap2 (2),
-and nowadays
-.\" Since around glibc 2.1/2.2, depending on the platform.
-the glibc
-.BR mmap ()
-wrapper function invokes
-.BR mmap2 (2)
-with a suitably adjusted value for
-.IR offset .
-
 On some hardware architectures (e.g., i386),
 .B PROT_WRITE
 implies
@@ -582,6 +571,22 @@ The relevant flags are:
 .BR MAP_POPULATE ,
 and
 .BR MAP_STACK .
+.\"
+.SS C library/kernel ABI differences
+This page describes the interface provided by the glibc
+.BR mmap ()
+wrapper function.
+Originally, this function invoked a system call of the same name.
+Since kernel 2.4, that system call has been superseded by
+.BR mmap2 (2),
+and nowadays
+.\" Since around glibc 2.1/2.2, depending on the platform.
+the glibc
+.BR mmap ()
+wrapper function invokes
+.BR mmap2 (2)
+with a suitably adjusted value for
+.IR offset .
 .SH BUGS
 On Linux there are no guarantees like those suggested above under
 .BR MAP_NORESERVE .
@@ -709,6 +714,7 @@ main(int argc, char *argv[])
 .fi
 .SH SEE ALSO
 .BR getpagesize (2),
+.BR memfd_create (2),
 .BR mincore (2),
 .BR mlock (2),
 .BR mmap2 (2),
@@ -733,10 +739,11 @@ B.O. Gallmeister, POSIX.4, O'Reilly, pp. 128-129 and 389-391.
 .\" Repeat after me: private read-only mappings are 100% equivalent to
 .\" shared read-only mappings. No ifs, buts, or maybes. -- Linus
 .SH COLOPHON
-This page is part of release 3.64 of the Linux
+This page is part of release 3.79 of the Linux
 .I man-pages
 project.
 A description of the project,
-and information about reporting bugs,
+information about reporting bugs,
+and the latest version of this page,
 can be found at
 \%http://www.kernel.org/doc/man\-pages/.