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-.\"	$Darwin$
-.\"
-.\" Copyright (c) 1999-2002 Apple Computer, Inc. All rights reserved.
-.\"
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-.\" 
-.\" The contents of this file constitute Original Code as defined in and
-.\" are subject to the Apple Public Source License Version 1.1 (the
-.\" "License").  You may not use this file except in compliance with the
-.\" License.  Please obtain a copy of the License at
-.\" http://www.apple.com/publicsource and read it before using this file.
-.\" 
-.\" This Original Code and all software distributed under the License are
-.\" distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
-.\" EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
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-.\" @APPLE_LICENSE_HEADER_END@
-.\"
-.Dd September 20, 1999
-.Dt SHM_UNLINK 2
-.Os Darwin
-.Sh NAME
-.Nm shm_unlink
-.Nd remove shared memory object
-.Sh SYNOPSIS
-.Fd #include <sys/mman.h>
-.Ft int
-.Fn shm_unlink "const char *name"
-.Sh DESCRIPTION
-The
-.Fn shm_unlink
-function removes the shared memory object named by
-.Fa name .
-If no process has the file open, then all resources associated
-with the object are reclaimed.
-If one or more process have the object open, the name removed,
-but the removal of the memory object is delayed until all
-references to it have been closed.
-.Sh RETURN VALUES
-Upon successful completion, a value of 0 is returned.
-Otherwise, a value of -1 is returned and
-.Va errno
-is set to indicate the error, and the named shared memory object
-will remain unchanged.
-.Sh ERRORS
-The
-.Fn shm_unlink
-succeeds unless:
-.Bl -tag -width Er
-.It Bq Er EACCES
-Permission is denied to be remove the object.
-.It Bq Er ENAMETOOLONG
-.Fa name
-exceeded
-.Dv SHM_NAME_MAX
-characters.
-.It Bq Er ENOENT
-The named object does not exist.
-.El
-.Sh SEE ALSO
-.Xr close 2 ,
-.Xr mmap 2 ,
-.Xr munmap 2 ,
-.Xr shmat 2 ,
-.Xr shmctl 2 ,
-.Xr shm_open 2
-.Sh HISTORY
-.Fn shm_open
-is specified in the POSIX Realtime Extension (1003.1b-1993/1003.1i-1995).