gimp/libgimpbase/gimpsignal.h

58 lines
2.0 KiB
C

/* LIBGIMP - The GIMP Library
* Copyright (C) 1995-2000 Peter Mattis and Spencer Kimball
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*
* $Revision$
*/
#ifndef __GIMP_SIGNAL_H__
#define __GIMP_SIGNAL_H__
/* A gimp-level interface to a Posix.1-compliant signal package lives here */
/* For 1.2, this gimp-level interface mostly passes through to posix calls */
/* without modification. Certain calls manipulate struct sigaction in */
/* ways useful to Gimp. */
#include <signal.h>
#include <glib.h>
/* GimpRetSigType is a reference
* to a (signal handler) function
* that takes a signal ID and
* returns void.
* signal(2) returns such references;
* so does gimp_signal_private.
*/
typedef void (*GimpRetSigType)(gint);
/* Internal implementation that can be */
/* DEFINEd into various flavors of */
/* signal(2) lookalikes. */
GimpRetSigType gimp_signal_private (gint signum, void (*gimp_sighandler)(int), gint sa_flags);
/* the gimp_signal_syscallrestart() */
/* lookalike looks like signal(2) but */
/* quietly requests the restarting of */
/* system calls. Addresses #2742 */
# define gimp_signal_syscallrestart(x, y) gimp_signal_private ((x), (y), SA_RESTART)
#endif /* __GIMP_SIGNAL_H__ */