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int sem_unlink(const char *name);
Link with -pthread.
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.
EACCES The caller does not have permission to unlink this semaphore.
name was too long.
ENOENT There is no semaphore with the given name.
Multithreading (see pthreads(7))
The sem_unlink() function is thread-safe.
sem_getvalue(3), sem_open(3), sem_post(3), sem_wait(3), sem_overview(7)
Linux 2014-02-26 SEM_UNLINK(3)