added some doxygen comments to common/system.h; cleaned up the OSystem interface a bit

svn-id: r8116

2 files changed, 5 insertions, 7 deletions

diff --git a/backends/PalmOS/Src/palm.cpp b/backends/PalmOS/Src/palm.cpp
index d105c9c1de..6d46ce31de 100644
--- a/backends/PalmOS/Src/palm.cpp
+++ b/backends/PalmOS/Src/palm.cpp
@@ -515,12 +515,10 @@ void OSystem_PALMOS::delay_msecs(uint msecs) {
 	SysTaskDelay((SysTicksPerSecond()*msecs)/1000);
 }
 
-void *OSystem_PALMOS::create_thread(ThreadProc *proc, void *param) {
+void OSystem_PALMOS::create_thread(ThreadProc *proc, void *param) {
 	_thread.active	= true;
 	_thread.proc	= proc;
 	_thread.param	= param;
-	
-	return 0;
 }
 
 void OSystem_PALMOS::set_timer(int timer, int (*callback)(int))
@@ -536,7 +534,7 @@ void OSystem_PALMOS::set_timer(int timer, int (*callback)(int))
 }
 
 /* Mutex handling */
-void *OSystem_PALMOS::create_mutex(void)
+void *OSystem_PALMOS::create_mutex()
 {
   return NULL;
 }
diff --git a/backends/PalmOS/Src/palm.h b/backends/PalmOS/Src/palm.h
index 18f846be15..fcfb2014a7 100644
--- a/backends/PalmOS/Src/palm.h
+++ b/backends/PalmOS/Src/palm.h
@@ -77,7 +77,7 @@ public:
 	void delay_msecs(uint msecs);
 	
 	// Create a thread
-	void *create_thread(ThreadProc *proc, void *param);
+	void create_thread(ThreadProc *proc, void *param);
 	
 	// Get the next event.
 	// Returns true if an event was retrieved.	
@@ -105,7 +105,7 @@ public:
 	void set_timer(int timer, int (*callback)(int));
 
 	// Mutex handling
-	void *create_mutex(void);
+	void *create_mutex();
 	void lock_mutex(void *mutex);
 	void unlock_mutex(void *mutex);
 	void delete_mutex(void *mutex);
@@ -140,7 +140,7 @@ protected:
 	bool _overlay_visible;
 
 private:
-	typedef void (OSystem_PALMOS::*RendererProc)(void);
+	typedef void (OSystem_PALMOS::*RendererProc)();
 	RendererProc _renderer_proc;
 
 	UInt8 *_sndDataP, *_sndTempP;