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[common/thread] fix MSVC build error with _rdstc (#4029)

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fixes issue reported by @bruno

Signed-off-by: lizzie <lizzie@eden-emu.dev>

Reviewed-on: https://git.eden-emu.dev/eden-emu/eden/pulls/4029
Reviewed-by: MaranBr <maranbr@eden-emu.dev>
Reviewed-by: crueter <crueter@eden-emu.dev>
This commit is contained in:
lizzie 2026-05-31 02:32:21 +02:00 • committed by crueter
parent 88ff086d13
commit e94ac63a5e
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1 changed files with 9 additions and 0 deletions
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9
src/common/thread.cpp
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@ -184,7 +184,11 @@ bool Event::WaitFor(const std::chrono::nanoseconds time) {
_mm_monitorx(reinterpret_cast<u64*>(std::addressof(is_set)), 0, 0);
if (!is_set.load()) {
// RDTSC may be fenced here due to atomic load
#ifdef _MSC_VER
auto const now = __rdtsc();
#else
auto const now = _rdtsc();
#endif
if (end > now) {
u32 const cycles = std::min<u32>((std::numeric_limits<u32>::max)(), s64(end) - s64(now));
// See here: https://github.com/torvalds/linux/blob/948a64995aca6820abefd17f1a4258f5835c5ad9/arch/x86/lib/delay.c#L93
@ -213,8 +217,13 @@ bool Event::WaitFor(const std::chrono::nanoseconds time) {
return true;
}
} else {
#ifdef _MSC_VER
while (!is_set.load() && end > __rdtsc())
Common::Windows::SleepForOneTick();
#else
while (!is_set.load() && end > _rdtsc())
Common::Windows::SleepForOneTick();
#endif
if (is_set.load())
Reset();
return true;