Engine directory for ticket #1

Engine/source/platformWin32/winTLS.cpp

@@ -0,0 +1,90 @@
+//-----------------------------------------------------------------------------
+// Copyright (c) 2012 GarageGames, LLC
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to
+// deal in the Software without restriction, including without limitation the
+// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+// sell copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+// IN THE SOFTWARE.
+//-----------------------------------------------------------------------------
+
+#include "platform/platformTLS.h"
+#include "platformWin32/platformWin32.h"
+#include "core/util/safeDelete.h"
+
+#define TORQUE_ALLOC_STORAGE(member, cls, data) \
+   AssertFatal(sizeof(cls) <= sizeof(data), avar("Error, storage for %s must be %d bytes.", #cls, sizeof(cls))); \
+   member = (cls *) data; \
+   constructInPlace(member)
+
+//-----------------------------------------------------------------------------
+
+struct PlatformThreadStorage
+{
+   DWORD mTlsIndex;
+};
+
+//-----------------------------------------------------------------------------
+
+ThreadStorage::ThreadStorage()
+{
+   TORQUE_ALLOC_STORAGE(mThreadStorage, PlatformThreadStorage, mStorage);
+   mThreadStorage->mTlsIndex = TlsAlloc();
+}
+
+ThreadStorage::~ThreadStorage()
+{
+   TlsFree(mThreadStorage->mTlsIndex);
+   destructInPlace(mThreadStorage);
+}
+
+void *ThreadStorage::get()
+{
+   return TlsGetValue(mThreadStorage->mTlsIndex);
+}
+
+void ThreadStorage::set(void *value)
+{
+   TlsSetValue(mThreadStorage->mTlsIndex, value);
+}
+
+/* POSIX IMPLEMENTATION LOOKS LIKE THIS:
+
+class PlatformThreadStorage
+{
+pthread_key_t mThreadKey;
+};
+
+ThreadStorage::ThreadStorage()
+{
+TORQUE_ALLOC_STORAGE(mThreadStorage, PlatformThreadStorage, mStorage);
+pthread_key_create(&mThreadStorage->mThreadKey, NULL);
+}
+
+ThreadStorage::~ThreadStorage()
+{
+pthread_key_delete(mThreadStorage->mThreadKey);
+}
+
+void *ThreadStorage::get()
+{
+return pthread_getspecific(mThreadStorage->mThreadKey);
+}
+
+void ThreadStorage::set(void *value)
+{
+pthread_setspecific(mThreadStorage->mThreadKey, value);
+}
+*/