Suspends a calling thread and waits for queued signals to arrive.

    This function is supported on OpenVMS Integrity servers and
    Alpha only.

    Format

      #include  <signal.h>

      int sigtimedwait  (const sigset_t set, siginfo_t *info, const
                        struct timespec *timeout);

  Additional Information (explode) :

• Arguments
• Description
• Return Values