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, oth-
     erwise 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