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/*
(c) Copyright 2001-2009 The world wide DirectFB Open Source Community (directfb.org)
(c) Copyright 2000-2004 Convergence (integrated media) GmbH
All rights reserved.
Written by Denis Oliver Kropp <dok@directfb.org>,
Andreas Hundt <andi@fischlustig.de>,
Sven Neumann <neo@directfb.org>,
Ville Syrjälä <syrjala@sci.fi> and
Claudio Ciccani <klan@users.sf.net>.
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.
*/
#ifndef __DIRECT__SIGNALS_H__
#define __DIRECT__SIGNALS_H__
#include <direct/types.h>
typedef enum {
DSHR_OK,
DSHR_REMOVE,
DSHR_RESUME
} DirectSignalHandlerResult;
typedef DirectSignalHandlerResult (*DirectSignalHandlerFunc)( int num,
void *addr,
void *ctx );
DirectResult direct_signals_initialize( void );
DirectResult direct_signals_shutdown( void );
/*
* Modifies the current thread's signal mask to block everything.
* Should be called by input threads once to avoid killing themselves
* in the signal handler by deinitializing all input drivers.
*/
void direct_signals_block_all( void );
/*
* Signal number to use when registering a handler for any interrupt.
*/
#define DIRECT_SIGNAL_ANY -1
DirectResult direct_signal_handler_add ( int num,
DirectSignalHandlerFunc func,
void *ctx,
DirectSignalHandler **ret_handler );
DirectResult direct_signal_handler_remove( DirectSignalHandler *handler );
#endif
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