From e94ac63a5e62a7b558ddd0513423e367db6d3369 Mon Sep 17 00:00:00 2001
From: lizzie <lizzie@eden-emu.dev>
Date: Sun, 31 May 2026 02:32:21 +0200
Subject: [PATCH] [common/thread] fix MSVC build error with _rdstc (#4029)

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>
---
 src/common/thread.cpp | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/src/common/thread.cpp b/src/common/thread.cpp
index 49f6f5cf98..c947c88373 100644
--- a/src/common/thread.cpp
+++ b/src/common/thread.cpp
@@ -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;