sem_unlink (3)

#include <semaphore.h>

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.

ENAMETOOLONG

name was too long.

ENOENT

There is no semaphore with the given name.

Multithreading (see pthreads(7))

The sem_unlink() function is thread-safe.

POSIX.1-2001.

sem_getvalue(3), sem_open(3), sem_post(3), sem_wait(3), sem_overview(7)

This page is part of release 3.74 of the Linux man-pages project. A description of the project, information about reporting bugs, and the latest version of this page, can be found at http://www.kernel.org/doc/man-pages/.