SEM_UNLINK(2) System Calls Manual SEM_UNLINK(2)

sem_unlinkremove a named semaphore

#include <semaphore.h>

sem_unlink(const char *name);

The named semaphore named name is removed. If the semaphore is in use by other processes, then name is immediately disassociated with the semaphore, but the semaphore itself will not be removed until all references to it have been closed. Subsequent calls to () using name will refer to or create a new semaphore named name.

sem_unlink() succeeds unless:

Permission is denied to be remove the semaphore.
name exceeded PSEMNAMLEN characters.
The named semaphore does not exist.

sem_close(2), sem_open(2), semctl(2), semget(2), semop(2)

sem_unlink() is specified in the POSIX Realtime Extension (1003.1b-1993/1003.1i-1995).

June 8, 2000 Darwin