sem_unlink(2) BSD System Calls Manual sem_unlink(2)
NAME
sem_unlink -- remove a named semaphore
SYNOPSIS
#include <semaphore.h>
int
sem_unlink(const char *name);
DESCRIPTION
The named semaphore named name is removed. If the semaphore is in use by
other processes, then name is immediately disassociated with the sema-
phore, but the semaphore itself will not be removed until all references
to it have been closed. Subsequent calls to sem_open() using name will
refer to or create a new semaphore named name.
If successful, sem_unlink() will return 0. Otherwise, -1 is returned and
errno is set, and the state of the semaphore is unchanged.
ERRORS
sem_unlink() succeeds unless:
[EACCES] Permission is denied to be remove the semaphore.
[ENAMETOOLONG] name exceeded SEM_NAME_LEN characters.
[ENOENT] The named semaphore does not exist.
SEE ALSO
sem_close(2), sem_open(2), semctl(2), semget(2), semop(2)
HISTORY
sem_unlink() is specified in the POSIX Realtime Extension
(1003.1b-1993/1003.1i-1995).
Darwin June 8, 2000 Darwin
Mac OS X 10.9.1 - Generated Mon Jan 6 13:32:59 CST 2014