|SEM_UNLINK(3)||Linux Programmer's Manual||SEM_UNLINK(3)|
NAMEsem_unlink - remove a named semaphore
int sem_unlink(const char * name );
DESCRIPTIONsem_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 VALUEOn 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.
SEE ALSOsem_getvalue(3), sem_open(3), sem_post(3), sem_wait(3), sem_overview(7)
COLOPHONThis page is part of release 3.53 of the Linux man-pages project. A description of the project, and information about reporting bugs, can be found at http://www.kernel.org/doc/man-pages/.