Unknown option: "-3" Unix manual page for pthread_cond_broadcast. (host=minya system=Darwin)
PTHREAD_COND_BROADCAS... BSD Library Functions Manual PTHREAD_COND_BROADCAS...

NAME
     pthread_cond_broadcast -- unblock all threads waiting for a condition
     variable

SYNOPSIS
     #include <pthread.h>

     int
     pthread_cond_broadcast(pthread_cond_t *cond);

DESCRIPTION
     The pthread_cond_broadcast() function unblocks all threads waiting for
     the condition variable cond.

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

ERRORS
     The pthread_cond_broadcast() function will fail if:

     [EINVAL]           The value specified by cond is invalid.

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

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

BSD                              July 28, 1998                             BSD