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static DWORD WINAPI CalibrationThread(LPVOID arg);
static void UpdateTimeEachSecond(void);
static void ResetCounterSamples(unsigned long long fileTime,
long long perfCounter, long long perfFreq);
static long long AccumulateSample(long long perfCounter,
unsigned long long fileTime);
static long long NativeGetMicroseconds(void);
void GetTime(Tcl_Time *timePtr);
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{
long long usecSincePosixEpoch;
/*
* Try to use high resolution timer
*/
if (usecSincePosixEpoch = NativeGetMicroseconds()) {
if ( (usecSincePosixEpoch = NativeGetMicroseconds()) ) {
return usecSincePosixEpoch / 1000000;
} else {
Tcl_Time t;
GetTime(&t);
return (unsigned long long)t.sec;
}
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{
long long usecSincePosixEpoch;
/*
* Try to use high resolution timer.
*/
if (usecSincePosixEpoch = NativeGetMicroseconds()) {
if ( (usecSincePosixEpoch = NativeGetMicroseconds()) ) {
return (Tcl_WideUInt) usecSincePosixEpoch;
} else {
/*
* Use the Tcl_GetTime abstraction to get the time in microseconds, as
* nearly as we can, and return it.
*/
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{
long long usecSincePosixEpoch;
/*
* Try to use high resolution timer.
*/
if (usecSincePosixEpoch = NativeGetMicroseconds()) {
if ( (usecSincePosixEpoch = NativeGetMicroseconds()) ) {
return usecSincePosixEpoch;
} else {
/*
* Use the Tcl_GetTime abstraction to get the time in microseconds, as
* nearly as we can, and return it.
*/
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{
long long usecSincePosixEpoch;
/*
* Try to use high resolution timer.
*/
if (usecSincePosixEpoch = NativeGetMicroseconds()) {
if ( (usecSincePosixEpoch = NativeGetMicroseconds()) ) {
timePtr->sec = usecSincePosixEpoch / 1000000;
timePtr->usec = (long)(usecSincePosixEpoch % 1000000);
} else {
GetTime(timePtr);
}
}
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