Commit aaae2f5705

emekoi <emekankurumeh@outlook.com>
2018-11-18 08:15:24
switching from EnterCriticalSection to TryEnterCriticalSection
master
1 parent 99f4421
Changed files (2)
std
os
windows
kernel32.zig
mutex.zig
std/os/windows/kernel32.zig
@@ -222,7 +222,7 @@ pub const FOREGROUND_RED = 4;
 pub const FOREGROUND_INTENSITY = 8;
 
 pub extern "kernel32" stdcallcc fn InitializeCriticalSection(lpCriticalSection: *?RTL_CRITICAL_SECTION) void;
-pub extern "kernel32" stdcallcc fn EnterCriticalSection(lpCriticalSection: *?RTL_CRITICAL_SECTION) void; 
+pub extern "kernel32" stdcallcc fn TryEnterCriticalSection(lpCriticalSection: *?RTL_CRITICAL_SECTION) BOOL; 
 pub extern "kernel32" stdcallcc fn LeaveCriticalSection(lpCriticalSection: *?RTL_CRITICAL_SECTION) void; 
 pub extern "kernel32" stdcallcc fn DeleteCriticalSection(lpCriticalSection: *?RTL_CRITICAL_SECTION) void;
std/mutex.zig
@@ -96,7 +96,7 @@ const MutexWindows = struct {
 
     pub fn acquire(self: *Mutex) Held {
         self.initOsData();
-        windows.EnterCriticalSection(&self.lock);
+        while (windows.TryEnterCriticalSection(&self.lock) == 0) {}
         return Held { .mutex = self };
     }
 };