sem_unlink

(3)

remove a named semaphore

#include <semaphore.h> int sem_unlink(const char *name);

LIBRARY

POSIX threads library (libpthread, -lpthread)

DESCRIPTION

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.

RETURN VALUE

On success sem_unlink() returns 0; on error, -1 is returned, with errno set to indicate the error.

ERRORS

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.

ATTRIBUTES

For an explanation of the terms used in this section, see attributes(7).

Interface	Attribute	Value
sem_unlink ()	Thread safety	MT-Safe

STANDARDS

POSIX.1-2008.

HISTORY

POSIX.1-2001.