Provided by: systemtap-doc_0.0.20090214-1ubuntu1_all bug

NAME

       probe_signal.procmask - Initiates a trace when a thread is about to
       examine and change blocked signals

SYNOPSIS

           probe signal.procmask

VALUES

       how
           Indicates how to change the blocked signals; possible values are
           <command>SIG_BLOCK=0</command> (for blocking signals),
           <command>SIG_UNBLOCK=1</command> (for unblocking signals), and
           <command>SIG_SETMASK=2</command> for setting the signal mask.

       oldsigset_addr
           The old address of the signal set (<command>sigset_t</command>)

       sigset
           The actual value to be set for <command>sigset_t</command>
           <remark>(correct?)</remark>

       sigset_addr
           The address of the signal set (<command>sigset_t</command>) to be
           implemented

SYNOPSIS

       <programlisting>int sigprocmask(int how, sigset_t *set, sigset_t
       *oldset)</programlisting>

AUTHOR

       William Cohen <wcohen@redhat.com>