Use atomic variable tsc_synced

acidanthera · Aug 4, 2020 · a04ef45 · a04ef45
1 parent 36ab49e
commit a04ef45
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Showing 3 changed files with 5 additions and 2 deletions.
diff --git a/Changelog.md b/Changelog.md
@@ -9,3 +9,4 @@ CpuTscSync Changelog
 
 #### v1.0.2
 - Compatibility for macOS BigSur 11.0 
+- Use atomic variable tsc_synced 
diff --git a/CpuTscSync/VoodooTSCSync.cpp b/CpuTscSync/VoodooTSCSync.cpp
@@ -3,7 +3,7 @@
 
 OSDefineMetaClassAndStructors(VoodooTSCSync, IOService)
 
-bool VoodooTSCSync::tsc_synced {false};
+_Atomic(bool) VoodooTSCSync::tsc_synced = false;
 
 //stamp the tsc
 extern "C" void stamp_tsc(void *tscp)

diff --git a/CpuTscSync/VoodooTSCSync.h b/CpuTscSync/VoodooTSCSync.h
@@ -4,6 +4,8 @@
  *
  */
 
+#include <Headers/kern_atomic.hpp>
+
 #include <Library/LegacyIOService.h>
 #include <IOKit/IOLib.h>
 #include <i386/proc_reg.h>
@@ -31,5 +33,5 @@ class VoodooTSCSync : public IOService
     virtual IOReturn setPowerState(unsigned long powerStateOrdinal, IOService* whatDevice) override;
 
 protected:
-    static bool tsc_synced;
+    static _Atomic(bool) tsc_synced;
 };