/* $Id$
This file is part of libmspcore
-Copyright © 2006 Mikko Rasa, Mikkosoft Productions
+Copyright © 2006-2008, 2011 Mikko Rasa, Mikkosoft Productions
Distributed under the LGPL
*/
namespace Msp {
Application::Application():
- exit_code(0),
- loop_mode_(TICK_SLEEP)
+ exit_code(0)
{ }
/**
}
/**
-Default main loop. Behavior depends on loop_mode_. A custom main loop should
-monitor the done member variable and return exit_code.
+Default main loop. Calls tick() repeatedly until exit() is called. A custom
+main loop should monitor the done member variable and return exit_code.
*/
int Application::main()
{
- if(loop_mode_==NONE)
- return 0;
-
- done=false;
+ done = false;
while(!done)
- {
- if(loop_mode_==SLEEP)
- {
- sleep_sem_.wait();
- if(!done)
- tick();
- }
- else if(loop_mode_==TICK_SLEEP)
- {
- tick();
- Time::sleep(Time::msec);
- }
- else if(loop_mode_==TICK_YIELD)
- {
- tick();
-#ifdef WIN32
- Sleep(0);
-#else
- sched_yield();
-#endif
- }
- else if(loop_mode_==TICK_BUSY)
- tick();
- }
+ tick();
return exit_code;
}
signal(s, &sighandler_);
}
-/**
-Changes the main loop mode.
-*/
-void Application::set_loop_mode(LoopMode l)
-{
- LoopMode old_mode=loop_mode_;
- loop_mode_=l;
- if(old_mode==SLEEP)
- sleep_sem_.signal();
-}
-
-/**
-Causes the tick() function to be executed once if loop mode is SLEEP. Has no
-effect with other loop modes.
-*/
-void Application::induce_tick()
-{
- if(loop_mode_==SLEEP)
- sleep_sem_.signal();
-}
-
/**
Causes the application to exit gracefully with the given exit code.
*/
void Application::exit(int c)
{
- done=true;
- exit_code=c;
- if(loop_mode_==SLEEP)
- sleep_sem_.signal();
+ done = true;
+ exit_code = c;
}
/**
/* $Id$
This file is part of libmspcore
-Copyright © 2006 Mikko Rasa, Mikkosoft Productions
+Copyright © 2006-2008, 2011 Mikko Rasa, Mikkosoft Productions
Distributed under the LGPL
*/
+
#ifndef MSP_CORE_APPLICATION_H_
#define MSP_CORE_APPLICATION_H_
-#include "semaphore.h"
-
namespace Msp {
/**
class Application
{
protected:
- enum LoopMode
- {
- NONE, /// No main loop - main() will just return
- SLEEP, /// Only sleep in the main loop - useful for threaded servers
- TICK_SLEEP, /// Call tick every iteration, with a short sleep in between
- TICK_YIELD, /// Call tick every iteration, with sched_yield in between
- TICK_BUSY /// Call tick every iteration
- };
-
class RegBase
{
public:
int exit_code;
private:
- LoopMode loop_mode_;
- Semaphore sleep_sem_;
-
static RegBase *reg_app_;
static Application *app_;
static void *data_;
protected:
virtual int main();
void catch_signal(int);
- void set_loop_mode(LoopMode);
- void induce_tick();
void exit(int);
virtual void tick() { }
virtual void sighandler(int) { }