Changed directory structure to contain less symlinks so dependencies will get recalculated correctly by make

project/jni/sdl-1.3/src/timer/wince/SDL_systimer.c

@@ -0,0 +1,211 @@
+/*
+    SDL - Simple DirectMedia Layer
+    Copyright (C) 1997-2010 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 */
+/* vi: set ts=4 sw=4 expandtab: */