NAME | SYNOPSIS | DESCRIPTION | RETURN VALUE | ERRORS | CONFORMING TO | SEE ALSO | COLOPHON

SEM_UNLINK(3)                 Linux Programmer's Manual                 SEM_UNLINK(3)

NAME         top

       sem_unlink - remove a named semaphore

SYNOPSIS         top

       #include <semaphore.h>

       int sem_unlink(const char *name);

       Link with -lrt or -pthread.

DESCRIPTION         top

       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         top

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

ERRORS         top

       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         top

       POSIX.1-2001.

SEE ALSO         top

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

COLOPHON         top

       This page is part of release 3.23 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)