SEM_UNLINK(3) Linux Programmer's Manual SEM_UNLINK(3)NAME
sem_unlink - remove a named semaphore
SYNOPSIS
#include <semaphore.h>
int sem_unlink(const char *name);
DESCRIPTIONsem_unlink() removes the named semaphore referred to by sem. The sema‐
phore 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.
CONFORMING TO
POSIX.1-2001.
SEE ALSOsem_getvalue(3), sem_open(3), sem_post(3), sem_wait(3), sem_overview(7)Linux 2.6.16 2006-03-25 SEM_UNLINK(3)