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Diffstat (limited to 'Source/DirectFB/lib/direct/signals.h')
-rwxr-xr-x | Source/DirectFB/lib/direct/signals.h | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/Source/DirectFB/lib/direct/signals.h b/Source/DirectFB/lib/direct/signals.h new file mode 100755 index 0000000..8765fe1 --- /dev/null +++ b/Source/DirectFB/lib/direct/signals.h @@ -0,0 +1,70 @@ +/* + (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 |