SIGPAUSE(2)             COMMAND REFERENCE             SIGPAUSE(2)



NAME
     sigpause - automatically release blocked signals and wait
     for interrupt

SYNOPSIS
     sigpause(sigmask)
     int sigmask;

DESCRIPTION
     Sigpause assigns sigmask to the set of masked signals and
     then waits for a signal to arrive; on return the set of
     masked signals is restored.  Sigmask is usually 0 to
     indicate that no signals are now to be blocked.  Sigpause
     always terminates by being interrupted, returning EINTR.

     In normal usage, a signal is blocked using sigblock(2), to
     begin a critical section, variables modified on the
     occurance of the signal are examined to determine that there
     is no work to be done, and the process pauses awaiting work
     by using sigpause with the mask returned by sigblock.

RETURN VALUE
     Sigpause always terminates by being interrupted, returning
     EINTR.

SEE ALSO
     sigblock(2) and sigvec(2).




























Printed 4/6/89                                                  1

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