NAME    [Toc]    [Back]

     pthread_cond_signal - unblock a thread waiting for a  condition variable

SYNOPSIS    [Toc]    [Back]

     #include <pthread.h>

     int
     pthread_cond_signal(pthread_cond_t *cond);

DESCRIPTION    [Toc]    [Back]

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

RETURN VALUES    [Toc]    [Back]

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

ERRORS    [Toc]    [Back]

     pthread_cond_signal() will fail if:

     [EINVAL]      The value specified by cond is invalid.

SEE ALSO    [Toc]    [Back]

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

STANDARDS    [Toc]    [Back]

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

OpenBSD     3.6                           July      28,      1998