Copyright (C) 2006 Michael Kerrisk <firstname.lastname@example.org> %%%LICENSE_START(VERBATIM) Permission is granted to make and distribute verbatim copies of this manual provided the copyright notice and this permission notice are preserved on all copies. Permission is granted to copy and distribute modified versions of this manual under the conditions for verbatim copying, provided that the entire resulting derived work is distributed under the terms of a permission notice identical to this one. ...
NAMEsem_unlink - remove a named semaphore
#include <semaphore.h> int sem_unlink(const char *name);
Link with -pthread.
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.
ATTRIBUTESFor an explanation of the terms used in this section, see attributes(7).