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windows: ensure minimum possible timer resolution for sleep

This commit is contained in:
Robin Hübner 2018-05-01 09:47:34 +02:00
parent 9834b690ae
commit 8cb1ff9452
1 changed files with 6 additions and 0 deletions
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6
platform/windows/os_windows.cpp
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@ -188,6 +188,10 @@ void OS_Windows::initialize_core() {
ticks_start = 0; ticks_start = 0;
ticks_start = get_ticks_usec(); ticks_start = get_ticks_usec();
// set minimum resolution for periodic timers, otherwise Sleep(n) may wait at least as
// long as the windows scheduler resolution (~16-30ms) even for calls like Sleep(1)
timeBeginPeriod(1);
process_map = memnew((Map<ProcessID, ProcessInfo>)); process_map = memnew((Map<ProcessID, ProcessInfo>));
IP_Unix::make_default(); IP_Unix::make_default();
@ -1261,6 +1265,8 @@ void OS_Windows::finalize() {
void OS_Windows::finalize_core() { void OS_Windows::finalize_core() {
timeEndPeriod(1);
memdelete(process_map); memdelete(process_map);
TCPServerWinsock::cleanup(); TCPServerWinsock::cleanup();