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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13       Link with -lrt or -pthread.
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DESCRIPTION

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

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

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

33       POSIX.1-2001.
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SEE ALSO

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

39       This page is part of release 3.22 of the Linux  man-pages  project.   A
40       description  of  the project, and information about reporting bugs, can
41       be found at http://www.kernel.org/doc/man-pages/.
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45Linux                             2006-03-25                     SEM_UNLINK(3)
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