osx man page for pthread_cond_signal

PTHREAD_COND_SIGNAL(3)					   BSD Library Functions Manual 				    PTHREAD_COND_SIGNAL(3)

NAME
     pthread_cond_signal -- unblock a thread waiting for a condition variable

SYNOPSIS
     #include <pthread.h>

     int
     pthread_cond_signal(pthread_cond_t *cond);

DESCRIPTION
     The pthread_cond_signal() function unblocks one thread waiting for the condition variable cond.

RETURN VALUES
     If successful, the pthread_cond_signal() function will return zero.  Otherwise, an error number will be returned to indicate the error.

ERRORS
     pthread_cond_signal() will fail if:

     [EINVAL]		The value specified by cond is invalid.

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

STANDARDS
     pthread_cond_signal() conforms to ISO/IEC 9945-1:1996 (``POSIX.1'').

BSD
								   July 28, 1998							       BSD