pthread_cond_wait man page on FreeBSD

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PTHREAD_COND_WAIT(3)	 BSD Library Functions Manual	  PTHREAD_COND_WAIT(3)

NAME
     pthread_cond_wait — wait on a condition variable

LIBRARY
     POSIX Threads Library (libpthread, -lpthread)

SYNOPSIS
     #include <pthread.h>

     int
     pthread_cond_wait(pthread_cond_t *cond, pthread_mutex_t *mutex);

DESCRIPTION
     The pthread_cond_wait() function atomically blocks the current thread
     waiting on the condition variable specified by cond, and releases the
     mutex specified by mutex.	The waiting thread unblocks only after another
     thread calls pthread_cond_signal(3), or pthread_cond_broadcast(3) with
     the same condition variable, and the current thread reacquires the lock
     on mutex.

RETURN VALUES
     If successful, the pthread_cond_wait() function will return zero.	Other‐
     wise an error number will be returned to indicate the error.

ERRORS
     The pthread_cond_wait() function will fail if:

     [EINVAL]		The value specified by cond or the value specified by
			mutex is invalid.

     [EPERM]		The specified mutex was not locked by the calling
			thread.

SEE ALSO
     pthread_cond_broadcast(3), pthread_cond_destroy(3), pthread_cond_init(3),
     pthread_cond_signal(3), pthread_cond_timedwait(3)

STANDARDS
     The pthread_cond_wait() function conforms to ISO/IEC 9945-1:1996
     (“POSIX.1”).

BSD			       February 16, 2006			   BSD
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