Optimize updateFastFaceRow processing by removing some TileSpec copy (#5678)

[oweals/minetest.git] / src / threads.h

diff --git a/src/threads.h b/src/threads.h
index d4306f631a966132f926ed56f7602b25a66ea8dc..ce98593cd2771501bd274d6e4fc851906e2ca0ab 100644 (file)
--- a/src/threads.h
+++ b/src/threads.h
@@ -21,7 +21,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #define THREADS_HEADER
 
 //
-// Determine which threading API we will use
+// Determine which threading APIs we will use
 //
 #if __cplusplus >= 201103L
        #define USE_CPP11_THREADS 1
@@ -31,11 +31,27 @@ with this program; if not, write to the Free Software Foundation, Inc.,
        #define USE_POSIX_THREADS 1
 #endif
 
+#if defined(_WIN32)
+       // Prefer critical section API because std::mutex is much slower on Windows
+       #define USE_WIN_MUTEX 1
+#elif __cplusplus >= 201103L
+       #define USE_CPP11_MUTEX 1
+#else
+       #define USE_POSIX_MUTEX 1
+#endif
+
 ///////////////
 
 
 #if USE_CPP11_THREADS
        #include <thread>
+#elif USE_POSIX_THREADS
+       #include <pthread.h>
+#else
+       #ifndef WIN32_LEAN_AND_MEAN
+               #define WIN32_LEAN_AND_MEAN
+       #endif
+       #include <windows.h>
 #endif
 
 #include "threading/mutex.h"