setxattr.2: Add ERANGE to 'ERRORS' section

[thirdparty/man-pages.git] / man7 / shm_overview.7

diff --git a/man7/shm_overview.7 b/man7/shm_overview.7
index cac62d69663fa6cfd0ab8dc9885a2ddaa60f4923..3afdeb41aff2ec553e12cfc42273b806052b9ea4 100644 (file)
--- a/man7/shm_overview.7
+++ b/man7/shm_overview.7
@@ -1,9 +1,8 @@
 '\" t
-.\" Hey Emacs! This file is -*- nroff -*- source.
-.\"
 .\" Copyright (C) 2008, Linux Foundation, written by Michael Kerrisk
 .\" <mtk.manpages@gmail.com>
 .\"
+.\" %%%LICENSE_START(VERBATIM)
 .\" Permission is granted to make and distribute verbatim copies of this
 .\" manual provided the copyright notice and this permission notice are
 .\" preserved on all copies.
@@ -23,14 +22,15 @@
 .\"
 .\" Formatted or processed versions of this manual, if unaccompanied by
 .\" the source, must acknowledge the copyright and authors of this work.
+.\" %%%LICENSE_END
 .\"
-.TH SHM_OVERVIEW 7 2008-06-25 "Linux" "Linux Programmer's Manual"
+.TH SHM_OVERVIEW 7 2016-12-12 "Linux" "Linux Programmer's Manual"
 .SH NAME
-shm_overview \- Overview of POSIX shared memory
+shm_overview \- overview of POSIX shared memory
 .SH DESCRIPTION
 The POSIX shared memory API allows processes to communicate information
 by sharing a region of memory.
-
+.PP
 The interfaces employed in the API are:
 .TP 15
 .BR shm_open (3)
@@ -91,27 +91,25 @@ Programs using the POSIX shared memory API must be compiled with
 .I cc \-lrt
 to link against the real-time library,
 .IR librt .
-.SS Accessing shared memory objects via the file system
+.SS Accessing shared memory objects via the filesystem
 On Linux, shared memory objects are created in a
-.RI ( tmpfs )
-virtual file system, normally mounted under
+.RI ( tmpfs (5))
+virtual filesystem, normally mounted under
 .IR /dev/shm .
 Since kernel 2.6.19, Linux supports the use of access control lists (ACLs)
-to control the permissions of objects in the virtual file system.
-.SH "CONFORMING TO"
-POSIX.1-2001.
+to control the permissions of objects in the virtual filesystem.
 .SH NOTES
 Typically, processes must synchronize their access to a shared
 memory object, using, for example, POSIX semaphores.
-
+.PP
 System V shared memory
 .RB ( shmget (2),
 .BR shmop (2),
-etc.) is an older semaphore API.
+etc.) is an older shared memory API.
 POSIX shared memory provides a simpler, and better designed interface;
 on the other hand POSIX shared memory is somewhat less widely available
 (especially on older systems) than System V shared memory.
-.SH "SEE ALSO"
+.SH SEE ALSO
 .BR fchmod (2),
 .BR fchown (2),
 .BR fstat (2),