1 /**************************************************************************
3 * Copyright 2009 VMware, Inc.
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the
8 * "Software"), to deal in the Software without restriction, including
9 * without limitation the rights to use, copy, modify, merge, publish,
10 * distribute, sub license, and/or sell copies of the Software, and to
11 * permit persons to whom the Software is furnished to do so, subject to
12 * the following conditions:
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
21 * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
22 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
23 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
24 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
26 **************************************************************************/
30 #include "pipe/p_compiler.h"
31 #include "util/u_memory.h"
34 static DWORD tlsIndex = TLS_OUT_OF_INDEXES;
39 tlsIndex = TlsAlloc();
40 if (tlsIndex == TLS_OUT_OF_INDEXES) {
47 static INLINE struct stw_tls_data *
50 struct stw_tls_data *data;
52 data = CALLOC_STRUCT(stw_tls_data);
56 data->hCallWndProcHook = SetWindowsHookEx(WH_CALLWNDPROC,
59 GetCurrentThreadId());
60 if(data->hCallWndProcHook == NULL)
63 TlsSetValue(tlsIndex, data);
74 stw_tls_init_thread(void)
76 struct stw_tls_data *data;
78 if (tlsIndex == TLS_OUT_OF_INDEXES) {
82 data = stw_tls_data_create();
90 stw_tls_cleanup_thread(void)
92 struct stw_tls_data *data;
94 if (tlsIndex == TLS_OUT_OF_INDEXES) {
98 data = (struct stw_tls_data *) TlsGetValue(tlsIndex);
100 TlsSetValue(tlsIndex, NULL);
102 if(data->hCallWndProcHook) {
103 UnhookWindowsHookEx(data->hCallWndProcHook);
104 data->hCallWndProcHook = NULL;
112 stw_tls_cleanup(void)
114 if (tlsIndex != TLS_OUT_OF_INDEXES) {
116 tlsIndex = TLS_OUT_OF_INDEXES;
120 struct stw_tls_data *
121 stw_tls_get_data(void)
123 struct stw_tls_data *data;
125 if (tlsIndex == TLS_OUT_OF_INDEXES) {
129 data = (struct stw_tls_data *) TlsGetValue(tlsIndex);
131 /* DllMain is called with DLL_THREAD_ATTACH only by threads created after
132 * the DLL is loaded by the process */
133 data = stw_tls_data_create();