Move AtomicAdd/AtomicSet to hsUtils.

Sources/Plasma/CoreLib/hsUtils.h

@@ -250,3 +250,31 @@ void DebugMsg(const char fmt[], ...);
 #else
 #define  DEFAULT_FATAL(var)  default: FATAL("No valid case for switch variable '" #var "'"); break;
 #endif
+
+/*****************************************************************************
+*
+*  Atomic Operations
+*
+***/
+
+// *value += increment; return original value of *value; thread safe
+long AtomicAdd(long* value, long increment) {
+#ifdef HS_BUILD_FOR_WIN32
+    return InterlockedExchangeAdd(value, increment);
+#elif HS_BUILD_FOR_UNIX
+    return __sync_fetch_and_add(value, increment);
+#else
+#error "No Atomic Set support on this architecture"
+#endif
+}
+
+// *value = value; return original value of *value; thread safe
+long AtomicSet(long* value, long set) {
+#ifdef HS_BUILD_FOR_WIN32
+    return InterlockedExchange(value, set);
+#elif HS_BUILD_FOR_UNIX
+    return  __sync_lock_test_and_set(value, set);
+#else
+#error "No Atomic Set support on this architecture"
+#endif
+}

Sources/Plasma/NucleusLib/pnUtils/Win32/pnUtW32Sync.cpp

@@ -314,20 +314,3 @@ void CLock::LeaveWrite () {
 
     LeaveSpinLock(&m_spinLock);
 }
-
-
-/****************************************************************************
-*
-* Exported functions
-*
-***/
-
-//===========================================================================
-long AtomicAdd (long * value, long increment) {
-    return InterlockedExchangeAdd(value, increment);
-}
-
-//===========================================================================
-long AtomicSet (long * value, long set) {
-    return InterlockedExchange(value, set);
-}

Sources/Plasma/NucleusLib/pnUtils/pnUtSync.h

@@ -50,26 +50,6 @@ You can contact Cyan Worlds, Inc. by email legal@cyan.com
 
 #include "Pch.h"
 
-/****************************************************************************
-*
-*   Atomic operations
-*
-***/
-
-// *value += increment; return original value of *value; thread safe
-long AtomicAdd (long * value, long increment);
-
-// *value = value; return original value of *value; thread safe
-long AtomicSet (long * value, long set);
-
-
-#define ATOMIC_ONCE(code) {     \
-    static long s_count = 1;    \
-    if (AtomicSet(&s_count, 0)) \
-        code;                   \
-}                               //
-
-
 /****************************************************************************
 *
 *   CLock