platform/win32/OSDepWin.cpp

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   4  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
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  39
  40 #include "avmplus.h"
  41 #include <windows.h>
  42 #include <wctype.h>
  43 #include <time.h>
  44
  45 #pragma warning(disable:4201)   // nonstandard extension used : nameless struct/union
  46 #include <mmsystem.h>           // for timeGetTime (oddly, this include must come AFTER avmplus.h)
  47
  48 namespace avmplus
  49 {
  50     void CALLBACK intWriteTimerProc(UINT, UINT, DWORD_PTR dwUser, DWORD_PTR, DWORD_PTR)
  51     {
  52         volatile int *i = (volatile int*)dwUser;
  53         *i = 1;
  54     }
  55
  56     // The constant TIME_KILL_SYNCHRONOUS is only available if WINVER >= 0x0501 (== WinXP)
  57     static const UINT kTimeKillSynchronous = 0x0100;
  58
  59     uintptr_t OSDep::startIntWriteTimer(uint32_t millis, volatile int *addr)
  60     {
  61         return (uintptr_t) timeSetEvent(millis, millis, (LPTIMECALLBACK)intWriteTimerProc, (DWORD_PTR)addr,
  62             TIME_PERIODIC | TIME_CALLBACK_FUNCTION
  63 #ifndef UNDER_CE
  64             | kTimeKillSynchronous
  65 #endif
  66             );
  67     }
  68
  69     void OSDep::stopTimer(uintptr_t handle)
  70     {
  71         timeKillEvent((UINT)handle);
  72     }
  73 }