X-Git-Url: http://git.osdn.net/view?a=blobdiff_plain;ds=sidebyside;f=original%2Fman7%2Fshm_overview.7;h=5f60ff0c436c8e135f4e9a04eb7c2d3f6f3a1c94;hb=4ea6bb24817f6f049d6bbc90ecd77a869876f9b0;hp=b6b709631ad4374d5f7fb6eb752e5c4b59cd067f;hpb=c03a7a882c608ebf399d1b044ce7a6daa922351a;p=linuxjm%2FLDP_man-pages.git diff --git a/original/man7/shm_overview.7 b/original/man7/shm_overview.7 index b6b70963..5f60ff0c 100644 --- a/original/man7/shm_overview.7 +++ b/original/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 .\" .\" +.\" %%%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. @@ -23,10 +22,11 @@ .\" .\" 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 2010-09-10 "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. @@ -91,14 +91,14 @@ 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 +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" +to control the permissions of objects in the virtual filesystem. +.SH CONFORMING TO POSIX.1-2001. .SH NOTES Typically, processes must synchronize their access to a shared @@ -111,7 +111,7 @@ 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), @@ -124,3 +124,12 @@ on the other hand POSIX shared memory is somewhat less widely available .BR shm_open (3), .BR shm_unlink (3), .BR sem_overview (7) +.SH COLOPHON +This page is part of release 3.79 of the Linux +.I man-pages +project. +A description of the project, +information about reporting bugs, +and the latest version of this page, +can be found at +\%http://www.kernel.org/doc/man\-pages/.