MirOS Manual: pthread_mutex_unlock(3)

PTHREAD_MUTEX_UNLOCK(3)    BSD Programmer's Manual     PTHREAD_MUTEX_UNLOCK(3)

NAME

     pthread_mutex_unlock - unlock a mutex

SYNOPSIS

     #include <pthread.h>

     int
     pthread_mutex_unlock(pthread_mutex_t *mutex);

DESCRIPTION

     If the current thread holds the lock on mutex, then the
     pthread_mutex_unlock() function unlocks mutex.

RETURN VALUES

     If successful, pthread_mutex_unlock() will return zero, otherwise an er-
     ror number will be returned to indicate the error.

ERRORS

     pthread_mutex_unlock() will fail if:

     [EINVAL]      The value specified by mutex is invalid.

     [EPERM]       The current thread does not hold a lock on mutex.

SEE ALSO

     pthread_mutex_destroy(3), pthread_mutex_init(3), pthread_mutex_lock(3),
     pthread_mutex_trylock(3)

STANDARDS

     pthread_mutex_unlock() conforms to ISO/IEC 9945-1:1996 ("POSIX").

MirOS BSD #10-current           July 30, 1998                                1

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