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);

       Link with -lrt or -pthread.

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.

CONFORMING TO
       POSIX.1-2001.

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

COLOPHON
       This page is part of release 3.25 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/.



Linux                                                      2006-03-25                                              SEM_UNLINK(3)