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comparison src/thread/windows/SDL_systhread.c @ 5062:e8916fe9cfc8

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Fixed bug #925 Changed "win32" to "windows"
author Sam Lantinga <slouken@libsdl.org>
date Thu, 20 Jan 2011 18:04:05 -0800
parents src/thread/win32/SDL_systhread.c@1bceff8f008f
children c2539ff054c8
comparison
equal deleted inserted replaced
5061:9e9940eae455 5062:e8916fe9cfc8
1 /*
2 SDL - Simple DirectMedia Layer
3 Copyright (C) 1997-2010 Sam Lantinga
4
5 This library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
9
10 This library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
14
15 You should have received a copy of the GNU Lesser General Public
16 License along with this library; if not, write to the Free Software
17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
18
19 Sam Lantinga
20 slouken@libsdl.org
21 */
22 #include "SDL_config.h"
23
24 /* Win32 thread management routines for SDL */
25
26 #define WIN32_LEAN_AND_MEAN
27 #include <windows.h>
28
29 #include "SDL_thread.h"
30 #include "../SDL_thread_c.h"
31 #include "../SDL_systhread.h"
32
33 #ifndef SDL_PASSED_BEGINTHREAD_ENDTHREAD
34 #ifndef _WIN32_WCE
35 /* We'll use the C library from this DLL */
36 #include <process.h>
37 #endif
38
39 #if __GNUC__
40 typedef uintptr_t (__cdecl * pfnSDL_CurrentBeginThread) (void *, unsigned,
41 unsigned
42 (__stdcall *
43 func) (void *),
44 void *arg,
45 unsigned,
46 unsigned
47 *threadID);
48 typedef void (__cdecl * pfnSDL_CurrentEndThread) (unsigned code);
49 #elif defined(__WATCOMC__)
50 /* This is for Watcom targets except OS2 */
51 #if __WATCOMC__ < 1240
52 #define __watcall
53 #endif
54 typedef unsigned long (__watcall * pfnSDL_CurrentBeginThread) (void *,
55 unsigned,
56 unsigned
57 (__stdcall *
58 func) (void
59 *),
60 void *arg,
61 unsigned,
62 unsigned
63 *threadID);
64 typedef void (__watcall * pfnSDL_CurrentEndThread) (unsigned code);
65 #else
66 typedef uintptr_t(__cdecl * pfnSDL_CurrentBeginThread) (void *, unsigned,
67 unsigned (__stdcall *
68 func) (void
69 *),
70 void *arg, unsigned,
71 unsigned *threadID);
72 typedef void (__cdecl * pfnSDL_CurrentEndThread) (unsigned code);
73 #endif
74 #endif /* !SDL_PASSED_BEGINTHREAD_ENDTHREAD */
75
76
77 typedef struct ThreadStartParms
78 {
79 void *args;
80 pfnSDL_CurrentEndThread pfnCurrentEndThread;
81 } tThreadStartParms, *pThreadStartParms;
82
83 static DWORD __stdcall
84 RunThread(void *data)
85 {
86 pThreadStartParms pThreadParms = (pThreadStartParms) data;
87 pfnSDL_CurrentEndThread pfnCurrentEndThread = NULL;
88
89 // Call the thread function!
90 SDL_RunThread(pThreadParms->args);
91
92 // Get the current endthread we have to use!
93 if (pThreadParms) {
94 pfnCurrentEndThread = pThreadParms->pfnCurrentEndThread;
95 SDL_free(pThreadParms);
96 }
97 // Call endthread!
98 if (pfnCurrentEndThread)
99 (*pfnCurrentEndThread) (0);
100 return (0);
101 }
102
103 #ifdef SDL_PASSED_BEGINTHREAD_ENDTHREAD
104 int
105 SDL_SYS_CreateThread(SDL_Thread * thread, void *args,
106 pfnSDL_CurrentBeginThread pfnBeginThread,
107 pfnSDL_CurrentEndThread pfnEndThread)
108 {
109 #else
110 int
111 SDL_SYS_CreateThread(SDL_Thread * thread, void *args)
112 {
113 #ifdef _WIN32_WCE
114 pfnSDL_CurrentBeginThread pfnBeginThread = NULL;
115 pfnSDL_CurrentEndThread pfnEndThread = NULL;
116 #else
117 pfnSDL_CurrentBeginThread pfnBeginThread = _beginthreadex;
118 pfnSDL_CurrentEndThread pfnEndThread = _endthreadex;
119 #endif
120 #endif /* SDL_PASSED_BEGINTHREAD_ENDTHREAD */
121 unsigned threadid;
122 pThreadStartParms pThreadParms =
123 (pThreadStartParms) SDL_malloc(sizeof(tThreadStartParms));
124 if (!pThreadParms) {
125 SDL_OutOfMemory();
126 return (-1);
127 }
128 // Save the function which we will have to call to clear the RTL of calling app!
129 pThreadParms->pfnCurrentEndThread = pfnEndThread;
130 // Also save the real parameters we have to pass to thread function
131 pThreadParms->args = args;
132
133 if (pfnBeginThread) {
134 thread->handle =
135 (SYS_ThreadHandle) pfnBeginThread(NULL, 0, RunThread,
136 pThreadParms, 0, &threadid);
137 } else {
138 thread->handle =
139 CreateThread(NULL, 0, RunThread, pThreadParms, 0, &threadid);
140 }
141 if (thread->handle == NULL) {
142 SDL_SetError("Not enough resources to create thread");
143 return (-1);
144 }
145 return (0);
146 }
147
148 void
149 SDL_SYS_SetupThread(void)
150 {
151 return;
152 }
153
154 SDL_threadID
155 SDL_ThreadID(void)
156 {
157 return ((SDL_threadID) GetCurrentThreadId());
158 }
159
160 void
161 SDL_SYS_WaitThread(SDL_Thread * thread)
162 {
163 WaitForSingleObject(thread->handle, INFINITE);
164 CloseHandle(thread->handle);
165 }
166
167 /* vi: set ts=4 sw=4 expandtab: */