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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

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

HISTORY

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

Darwin June 8, 2000 Darwin