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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>.
All rights reserved.
This file is subject to the terms and conditions of the MIT License:
Permission is hereby granted, free of charge, to any person
obtaining a copy of this software and associated documentation
files (the "Software"), to deal in the Software without restriction,
including without limitation the rights to use, copy, modify, merge,
publish, distribute, sublicense, and/or sell copies of the Software,
and to permit persons to whom the Software is furnished to do so,
subject to the following conditions:
The above copyright notice and this permission notice shall be
included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#include <config.h>
#include <sys/types.h>
#include <unistd.h>
#include <stddef.h>
#include <directfb.h>
#include <direct/log.h>
#include <direct/messages.h>
#include <fusion/fusion.h>
#include <fusion/reactor.h>
#include <fusion/ref.h>
#define MSG(x...) \
do { \
direct_log_printf( NULL, "- " x ); \
} while (0)
typedef struct {
unsigned int foo;
} TestMessage;
static FusionWorld *m_world;
static FusionRef m_ref;
static FusionReactor *m_reactor;
static Reaction m_reaction;
static ReactionResult
reaction_callback( const void *msg_data,
void *ctx )
{
MSG( "Received message (FusionID %lu, pid %d)!\n", fusion_id( m_world ), getpid() );
return RS_OK;
}
int
main( int argc, char *argv[] )
{
DirectResult ret;
pid_t child_pid;
TestMessage message = {0};
DirectFBInit( &argc, &argv );
ret = fusion_enter( -1, 0, FER_MASTER, &m_world );
if (ret) {
D_DERROR( ret, "fusion_enter() failed" );
return ret;
}
MSG( "Entered world %d as master (FusionID %lu, pid %d)\n",
fusion_world_index( m_world ), fusion_id( m_world ), getpid() );
ret = fusion_ref_init( &m_ref, "Test", m_world );
if (ret) {
D_DERROR( ret, "fusion_ref_init() failed" );
return -1;
}
MSG( "Adding local reference...\n" );
fusion_ref_up( &m_ref, false );
m_reactor = fusion_reactor_new( sizeof(TestMessage), "Test", m_world );
if (!m_reactor) {
D_ERROR( "fusion_reactor_new() failed\n" );
return -1;
}
MSG( "Attaching to reactor...\n" );
ret = fusion_reactor_attach( m_reactor, reaction_callback, NULL, &m_reaction );
if (ret) {
D_DERROR( ret, "fusion_reactor_attach() failed" );
return ret;
}
MSG( ".........FORKING NOW.........\n" );
fusion_world_set_fork_action( m_world, FFA_FORK );
child_pid = fork();
fusion_world_set_fork_action( m_world, FFA_CLOSE );
switch (child_pid) {
case -1:
D_PERROR( "fork() failed" );
break;
case 0:
setsid();
MSG( "...arrived after fork() in child (pid %d)..\n", getpid() );
MSG( "..child (FusionID %lu).\n", fusion_id( m_world ) );
break;
default:
usleep( 200000 );
MSG( "...returned from fork() in parent, child pid %d.\n", child_pid );
break;
}
MSG( "Sending message via reactor...\n" );
fusion_reactor_dispatch( m_reactor, &message, true, NULL );
usleep( 200000 );
MSG( "Removing local reference...\n" );
fusion_ref_down( &m_ref, false );
usleep( 200000 );
MSG( "Exiting from world %d (FusionID %lu, pid %d)...\n",
fusion_world_index( m_world ), fusion_id( m_world ), getpid() );
fusion_exit( m_world, false );
return 0;
}
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