1SEM_UNLINK(3)              Linux Programmer's Manual             SEM_UNLINK(3)
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NAME

6       sem_unlink - remove a named semaphore
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SYNOPSIS

9       #include <semaphore.h>
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11       int sem_unlink(const char *name);
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DESCRIPTION

14       sem_unlink() removes the named semaphore referred to by sem.  The sema‐
15       phore name is removed immediately.  The semaphore is destroyed once all
16       other processes that have the semaphore open close it.
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RETURN VALUE

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

23       EACCES The caller does not have permission to unlink this semaphore.
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25       ENAMETOOLONG
26              name was too long.
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28       ENOENT There is no semaphore with the given name.
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CONFORMING TO

31       POSIX.1-2001.
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SEE ALSO

34       sem_getvalue(3), sem_open(3), sem_post(3), sem_wait(3), sem_overview(7)
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38Linux 2.6.16                      2006-03-25                     SEM_UNLINK(3)
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