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sem_close(2)                BSD System Calls Manual               sem_close(2)


NAME

     sem_close -- close a named semaphore


SYNOPSIS

     #include <semaphore.h>

     int
     sem_close(sem_t *sem);


DESCRIPTION

     The system resources associated with the named semaphore referenced by
     sem are deallocated and the descriptor is invalidated.

     If successful, sem_close() will return 0.  Otherwise, -1 is returned and
     errno is set.


ERRORS

     sem_close() succeeds unless:

     [EINVAL]           sem is not a valid semaphore descriptor.


SEE ALSO

     sem_init(2), sem_open(2), sem_unlink(2), semctl(2), semget(2), semop(2)


HISTORY

     sem_close() is specified in the POSIX Realtime Extension
     (1003.1b-1993/1003.1i-1995).

Darwin                           June 8, 2000                           Darwin

Mac OS X 10.9.1 - Generated Mon Jan 6 11:33:22 CST 2014
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