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PTHREAD_MUTEX_UNLOC... FreeBSD Library Functions Manual	PTHREAD_MUTEX_UNLOC...

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)

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

FreeBSD	13.0			 June 5, 2013			  FreeBSD 13.0

NAME | SYNOPSIS | DESCRIPTION | RETURN VALUES | ERRORS | SEE ALSO | STANDARDS

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