--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/symbian-qemu-0.9.1-12/libsdl-trunk/src/timer/wince/SDL_systimer.c	Fri Jul 31 15:01:17 2009 +0100
@@ -0,0 +1,198 @@
+/*
+    SDL - Simple DirectMedia Layer
+    Copyright (C) 1997-2006 Sam Lantinga
+
+    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 2.1 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., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+
+    Sam Lantinga
+    slouken@libsdl.org
+*/
+#include "SDL_config.h"
+
+#ifdef SDL_TIMER_WINCE
+
+#define WIN32_LEAN_AND_MEAN
+#include <windows.h>
+#include <mmsystem.h>
+
+#include "SDL_thread.h"
+#include "SDL_timer.h"
+#include "../SDL_timer_c.h"
+
+static Uint64 start_date;
+static Uint64 start_ticks;
+
+static Uint64 wce_ticks(void)
+{
+  return((Uint64)GetTickCount());
+}
+
+static Uint64 wce_date(void)
+{
+  union
+  {
+	FILETIME ftime;
+	Uint64 itime;
+  } ftime;
+  SYSTEMTIME stime;
+
+  GetSystemTime(&stime);
+  SystemTimeToFileTime(&stime,&ftime.ftime);
+  ftime.itime/=10000; // Convert 100ns intervals to 1ms intervals
+  // Remove ms portion, which can't be relied on
+  ftime.itime -= (ftime.itime % 1000);
+  return(ftime.itime);
+}
+
+static Sint32 wce_rel_ticks(void)
+{
+  return((Sint32)(wce_ticks()-start_ticks));
+}
+
+static Sint32 wce_rel_date(void)
+{
+  return((Sint32)(wce_date()-start_date));
+}
+
+/* Return time in ms relative to when SDL was started */
+Uint32 SDL_GetTicks()
+{
+  Sint32 offset=wce_rel_date()-wce_rel_ticks();
+  if((offset < -1000) || (offset > 1000))
+  {
+//    fprintf(stderr,"Time desync(%+d), resyncing\n",offset/1000);
+	start_ticks-=offset;
+  }
+
+  return((Uint32)wce_rel_ticks());
+}
+
+/* Give up approx. givem milliseconds to the OS. */
+void SDL_Delay(Uint32 ms)
+{
+  Sleep(ms);
+}
+
+/* Recard start-time of application for reference */
+void SDL_StartTicks(void)
+{
+  start_date=wce_date();
+  start_ticks=wce_ticks();
+}
+
+static UINT WIN_timer;
+
+#if ( _WIN32_WCE <= 420 )
+
+static HANDLE timersThread = 0;
+static HANDLE timersQuitEvent = 0;
+
+DWORD TimersThreadProc(void *data)
+{
+	while(WaitForSingleObject(timersQuitEvent, 10) == WAIT_TIMEOUT)
+	{
+		SDL_ThreadedTimerCheck();
+	}
+	return 0;
+}
+
+int SDL_SYS_TimerInit(void)
+{
+	// create a thread to process a threaded timers
+	// SetTimer does not suit the needs because 
+	// TimerCallbackProc will be called only when WM_TIMER occured
+
+	timersQuitEvent = CreateEvent(0, TRUE, FALSE, 0);
+	if( !timersQuitEvent )
+	{
+		SDL_SetError("Cannot create event for timers thread");
+		return -1;
+	}
+	timersThread = CreateThread(NULL, 0, TimersThreadProc, 0, 0, 0);
+	if( !timersThread )
+	{
+		SDL_SetError("Cannot create timers thread, check amount of RAM available");
+		return -1;
+	}
+	SetThreadPriority(timersThread, THREAD_PRIORITY_HIGHEST);
+
+	return(SDL_SetTimerThreaded(1));
+}
+
+void SDL_SYS_TimerQuit(void)
+{
+	SetEvent(timersQuitEvent);
+	if( WaitForSingleObject(timersThread, 2000) == WAIT_TIMEOUT )
+		TerminateThread(timersThread, 0);
+	CloseHandle(timersThread);
+	CloseHandle(timersQuitEvent);
+	return;
+}
+
+#else
+
+#pragma comment(lib, "mmtimer.lib")
+
+/* Data to handle a single periodic alarm */
+static UINT timerID = 0;
+
+static void CALLBACK HandleAlarm(UINT uID,  UINT uMsg, DWORD dwUser,
+						DWORD dw1, DWORD dw2)
+{
+	SDL_ThreadedTimerCheck();
+}
+
+
+int SDL_SYS_TimerInit(void)
+{
+	MMRESULT result;
+
+	/* Set timer resolution */
+	result = timeBeginPeriod(TIMER_RESOLUTION);
+	if ( result != TIMERR_NOERROR ) {
+		SDL_SetError("Warning: Can't set %d ms timer resolution",
+							TIMER_RESOLUTION);
+	}
+	/* Allow 10 ms of drift so we don't chew on CPU */
+	timerID = timeSetEvent(TIMER_RESOLUTION,1,HandleAlarm,0,TIME_PERIODIC);
+	if ( ! timerID ) {
+		SDL_SetError("timeSetEvent() failed");
+		return(-1);
+	}
+	return(SDL_SetTimerThreaded(1));
+}
+
+void SDL_SYS_TimerQuit(void)
+{
+	if ( timerID ) {
+		timeKillEvent(timerID);
+	}
+	timeEndPeriod(TIMER_RESOLUTION);
+}
+
+#endif
+
+int SDL_SYS_StartTimer(void)
+{
+	SDL_SetError("Internal logic error: WinCE uses threaded timer");
+	return(-1);
+}
+
+void SDL_SYS_StopTimer(void)
+{
+	return;
+}
+
+#endif /* SDL_TIMER_WINCE */