1 /*-------------------------------------------------------------------------
2  * drawElements Thread Library
3  * ---------------------------
4  *
5  * Copyright 2014 The Android Open Source Project
6  *
7  * Licensed under the Apache License, Version 2.0 (the "License");
8  * you may not use this file except in compliance with the License.
9  * You may obtain a copy of the License at
10  *
11  *      http://www.apache.org/licenses/LICENSE-2.0
12  *
13  * Unless required by applicable law or agreed to in writing, software
14  * distributed under the License is distributed on an "AS IS" BASIS,
15  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16  * See the License for the specific language governing permissions and
17  * limitations under the License.
18  *
19  *//*!
20  * \file
21  * \brief Win32 implementation of thread-local storage.
22  *//*--------------------------------------------------------------------*/
23 
24 #include "deThreadLocal.h"
25 
26 #if (DE_OS == DE_OS_WIN32 || DE_OS == DE_OS_WINCE)
27 
28 #define VC_EXTRALEAN
29 #define WIN32_LEAN_AND_MEAN
30 #include <windows.h>
31 
32 DE_STATIC_ASSERT(sizeof(deThreadLocal) >= sizeof(DWORD));
33 
deThreadLocal_create(void)34 deThreadLocal deThreadLocal_create (void)
35 {
36 	DWORD handle = TlsAlloc();
37 	if (handle == TLS_OUT_OF_INDEXES)
38 		return 0;
39 	return (deThreadLocal)handle;
40 }
41 
deThreadLocal_destroy(deThreadLocal threadLocal)42 void deThreadLocal_destroy (deThreadLocal threadLocal)
43 {
44 	DE_ASSERT(threadLocal != 0);
45 	TlsFree((DWORD)threadLocal);
46 }
47 
deThreadLocal_get(deThreadLocal threadLocal)48 void* deThreadLocal_get (deThreadLocal threadLocal)
49 {
50 	DE_ASSERT(threadLocal != 0);
51 	return TlsGetValue((DWORD)threadLocal);
52 }
53 
deThreadLocal_set(deThreadLocal threadLocal,void * value)54 void deThreadLocal_set (deThreadLocal threadLocal, void* value)
55 {
56 	DE_ASSERT(threadLocal != 0);
57 	TlsSetValue((DWORD)threadLocal, value);
58 }
59 
60 #endif /* DE_OS */
61