Name
sem_unlink — remove a named semaphore
Synopsis
#include <semaphore.h>
int
sem_unlink( |
const char * |
name) ; |
DESCRIPTION
sem_unlink
() removes the
named semaphore referred to by sem
. The semaphore name is
removed immediately. The semaphore is destroyed once all
other processes that have the semaphore open close it.
RETURN VALUE
On success sem_unlink
()
returns 0; on error, −1 is returned, with errno
set to indicate the error.
ERRORS
- EACCES
-
The caller does not have permission to unlink this
semaphore.
- ENAMETOOLONG
-
name
was too
long.
- ENOENT
-
There is no semaphore with the given name
.
CONFORMING TO
POSIX.1-2001.
SEE ALSO
sem_getvalue(3), sem_open(3), sem_post(3), sem_wait(3), sem_overview(7)
t
Copyright (C) 2006 Michael Kerrisk <mtk-manpages@gmx.net>
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