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use waitable timers on windows

This commit is contained in:
Adam D. Ruppe 2016-07-05 23:18:28 -04:00
parent a002dbdcd4
commit de037b37df
1 changed files with 33 additions and 5 deletions
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38
simpledisplay.d
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@ -1314,9 +1314,17 @@ class Timer {
this.onPulse = onPulse;
version(Windows) {
/*
handle = SetTimer(null, handle, intervalInMilliseconds, &timerCallback);
if(handle == 0)
throw new Exception("SetTimer fail");
*/
// thanks to Archival 998 for the WaitableTimer blocks
handle = CreateWaitableTimer(null, false, null);
long initialTime = 0;
if(handle is null || !SetWaitableTimer(handle, cast(LARGE_INTEGER*)&initialTime, intervalInMilliseconds, &timerCallback, handle, false))
throw new Exception("SetWaitableTimer Failed");
mapping[handle] = this;
@ -1359,9 +1367,10 @@ class Timer {
void destroy() {
version(Windows) {
if(handle) {
KillTimer(null, handle);
// KillTimer(null, handle);
CancelWaitableTimer(cast(void*)handle);
mapping.remove(handle);
handle = 0;
handle = null;
}
} else version(linux) {
if(fd != -1) {
@ -1389,6 +1398,22 @@ class Timer {
destroy();
}
void changeTime(int intervalInMilliseconds)
{
version(Windows)
{
if(handle)
{
//handle = SetTimer(null, handle, intervalInMilliseconds, &timerCallback);
long initialTime = 0;
if(handle is null || !SetWaitableTimer(handle, cast(LARGE_INTEGER*)&initialTime, intervalInMilliseconds, &timerCallback, handle, false))
throw new Exception("couldn't change pulse timer");
}
}
}
private:
void delegate() onPulse;
@ -1407,7 +1432,8 @@ class Timer {
version(Windows)
extern(Windows)
static void timerCallback(HWND, UINT, UINT_PTR timer, DWORD dwTime) nothrow {
//static void timerCallback(HWND, UINT, UINT_PTR timer, DWORD dwTime) nothrow {
static void timerCallback(HANDLE timer, DWORD lowTime, DWORD hiTime) nothrow {
if(Timer* t = timer in mapping) {
try
(*t).trigger();
@ -1416,8 +1442,10 @@ class Timer {
}
version(Windows) {
UINT_PTR handle;
static Timer[UINT_PTR] mapping;
//UINT_PTR handle;
//static Timer[UINT_PTR] mapping;
HANDLE handle;
static Timer[HANDLE] mapping;
} else version(linux) {
int fd = -1;
static Timer[int] mapping;