sem_unlink - remove a named semaphore
POSIX threads library (libpthread, -lpthread)
#include <semaphore.h>
int sem_unlink(const char *name);sem_unlink() removes the named semaphore referred to
by name. The semaphore name is removed immediately. The
semaphore is destroyed once all other processes that have the semaphore
open close it.
On success sem_unlink() returns 0; on error, -1 is
returned, with errno set to indicate the error.
The caller does not have permission to unlink this semaphore.
name was too long.
There is no semaphore with the given name.
For an explanation of the terms used in this section, see attributes(7).
| Interface | Attribute | Value |
| Thread safety | MT-Safe |
POSIX.1-2008.
POSIX.1-2001.
sem_getvalue(3), sem_open(3), sem_post(3), sem_wait(3), sem_overview(7)