NAME
pthread_cond_signal —
    unblock a thread waiting for a
    condition variable
LIBRARY
library “libpthread”
SYNOPSIS
#include
    <pthread.h>
int
  
  pthread_cond_signal(pthread_cond_t
    *cond);
DESCRIPTION
Thepthread_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
The pthread_cond_signal() function 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
The pthread_cond_signal() function
    conforms to ISO/IEC 9945-1:1996
    (“POSIX.1”).