sem_unlink man page on CentOS

sem_unlink man page on CentOS

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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);

DESCRIPTION
       sem_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 ALSO
       sem_getvalue(3), sem_open(3), sem_post(3), sem_wait(3), sem_overview(7)

Linux 2.6.16			  2006-03-25			 SEM_UNLINK(3)

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