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pthread_mutex_unlock(3)

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PTHREAD_MUTEX_UNLOCK(3)   OpenBSD 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_trylock() 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 ANSI/IEEE (``POSIX'')
     Std 1003.1 Second Edition 1996-07-12.

OpenBSD 2.6                      July 30, 1998                               1

Source: OpenBSD 2.6 man pages. Copyright: Portions are copyrighted by BERKELEY
SOFTWARE DESIGN, INC., The Regents of the University of California, Massachusetts
Institute of Technology, Free Software Foundation, FreeBSD Inc., and others.



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