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Manually fix for #1232

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mio 2021-10-03 23:23:55 +02:00
parent 2d043d387d
commit 81942e9097
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GPG Key ID: DFF27E34A47CB873
1 changed files with 24 additions and 0 deletions
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24
qemu/include/qemu/timer.h
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@ -777,7 +777,30 @@ static inline int64_t get_max_clock_jump(void)
/*
* Low level clock functions
*/
#ifdef _WIN32
static inline int64_t get_clock_realtime(void)
{
// code from https://stackoverflow.com/questions/10905892/equivalent-of-gettimeday-for-windows
// >>>>>>>>>
const uint64_t EPOCH = ((uint64_t)116444736000000000ULL);
long tv_sec, tv_usec;
SYSTEMTIME system_time;
FILETIME file_time;
uint64_t time;
GetSystemTime(&system_time);
SystemTimeToFileTime(&system_time, &file_time);
time = ((uint64_t)file_time.dwLowDateTime);
time += ((uint64_t)file_time.dwHighDateTime) << 32;
tv_sec = (long)((time - EPOCH) / 10000000L);
tv_usec = (long)(system_time.wMilliseconds * 1000);
// <<<<<<<<<
return tv_sec * 1000000000LL + (tv_usec * 1000);
}
#else
/* get host real time in nanosecond */
static inline int64_t get_clock_realtime(void)
{
@ -786,6 +809,7 @@ static inline int64_t get_clock_realtime(void)
gettimeofday(&tv, NULL);
return tv.tv_sec * 1000000000LL + (tv.tv_usec * 1000);
}
#endif
/* Warning: don't insert tracepoints into these functions, they are
also used by simpletrace backend and tracepoints would cause