Mercurial > sdl-ios-xcode
annotate src/thread/win32/SDL_systhread.c @ 1827:b7e15d9bf1cb
SDLmain compile fix
author | Sam Lantinga <slouken@libsdl.org> |
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date | Sat, 13 May 2006 05:21:59 +0000 |
parents | 290b5baf2fca |
children | 782fd950bd46 c121d94672cb a1b03ba2fcd0 |
rev | line source |
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0 | 1 /* |
2 SDL - Simple DirectMedia Layer | |
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3 Copyright (C) 1997-2006 Sam Lantinga |
0 | 4 |
5 This library is free software; you can redistribute it and/or | |
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6 modify it under the terms of the GNU Lesser General Public |
0 | 7 License as published by the Free Software Foundation; either |
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8 version 2.1 of the License, or (at your option) any later version. |
0 | 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 | |
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13 Lesser General Public License for more details. |
0 | 14 |
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15 You should have received a copy of the GNU Lesser General Public |
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16 License along with this library; if not, write to the Free Software |
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17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
0 | 18 |
19 Sam Lantinga | |
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20 slouken@libsdl.org |
0 | 21 */ |
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22 #include "SDL_config.h" |
0 | 23 |
24 /* Win32 thread management routines for SDL */ | |
25 | |
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26 #define WIN32_LEAN_AND_MEAN |
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27 #include <windows.h> |
0 | 28 |
29 #include "SDL_thread.h" | |
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30 #include "../SDL_thread_c.h" |
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31 #include "../SDL_systhread.h" |
0 | 32 |
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33 #ifndef SDL_PASSED_BEGINTHREAD_ENDTHREAD |
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34 #ifndef _WIN32_WCE |
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35 /* We'll use the C library from this DLL */ |
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36 #include <process.h> |
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37 #endif |
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38 |
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39 #if __GNUC__ |
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40 typedef unsigned long (__cdecl *pfnSDL_CurrentBeginThread) (void *, unsigned, |
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41 unsigned (__stdcall *func)(void *), void *arg, |
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42 unsigned, unsigned *threadID); |
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43 typedef void (__cdecl *pfnSDL_CurrentEndThread)(unsigned code); |
1769 | 44 #elif defined(__WATCOMC__) |
45 /* This is for Watcom targets except OS2 */ | |
46 #if __WATCOMC__ < 1240 | |
47 #define __watcall | |
48 #endif | |
49 typedef unsigned long (__watcall *pfnSDL_CurrentBeginThread) (void *, unsigned, | |
50 unsigned (__stdcall *func)(void *), void *arg, | |
51 unsigned, unsigned *threadID); | |
52 typedef void (__watcall *pfnSDL_CurrentEndThread)(unsigned code); | |
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53 #else |
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54 typedef uintptr_t (__cdecl *pfnSDL_CurrentBeginThread) (void *, unsigned, |
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55 unsigned (__stdcall *func)(void *), void *arg, |
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56 unsigned, unsigned *threadID); |
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57 typedef void (__cdecl *pfnSDL_CurrentEndThread)(unsigned code); |
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58 #endif |
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59 #endif /* !SDL_PASSED_BEGINTHREAD_ENDTHREAD */ |
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60 |
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61 |
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62 typedef struct ThreadStartParms |
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63 { |
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64 void *args; |
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65 pfnSDL_CurrentEndThread pfnCurrentEndThread; |
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66 } tThreadStartParms, *pThreadStartParms; |
0 | 67 |
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68 static unsigned __stdcall RunThread(void *data) |
0 | 69 { |
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70 pThreadStartParms pThreadParms = (pThreadStartParms)data; |
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71 pfnSDL_CurrentEndThread pfnCurrentEndThread = NULL; |
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72 |
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73 // Call the thread function! |
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74 SDL_RunThread(pThreadParms->args); |
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75 |
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76 // Get the current endthread we have to use! |
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77 if (pThreadParms) |
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78 { |
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79 pfnCurrentEndThread = pThreadParms->pfnCurrentEndThread; |
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80 SDL_free(pThreadParms); |
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81 } |
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82 // Call endthread! |
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83 if (pfnCurrentEndThread) |
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84 (*pfnCurrentEndThread)(0); |
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85 return(0); |
0 | 86 } |
87 | |
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88 #ifdef SDL_PASSED_BEGINTHREAD_ENDTHREAD |
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89 int SDL_SYS_CreateThread(SDL_Thread *thread, void *args, pfnSDL_CurrentBeginThread pfnBeginThread, pfnSDL_CurrentEndThread pfnEndThread) |
0 | 90 { |
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91 #else |
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92 int SDL_SYS_CreateThread(SDL_Thread *thread, void *args) |
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93 { |
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94 #ifdef _WIN32_WCE |
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95 pfnSDL_CurrentBeginThread pfnBeginThread = NULL; |
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96 pfnSDL_CurrentEndThread pfnEndThread = NULL; |
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97 #else |
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98 pfnSDL_CurrentBeginThread pfnBeginThread = _beginthreadex; |
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99 pfnSDL_CurrentEndThread pfnEndThread = _endthreadex; |
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100 #endif |
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101 #endif /* SDL_PASSED_BEGINTHREAD_ENDTHREAD */ |
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102 unsigned threadid; |
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103 pThreadStartParms pThreadParms = (pThreadStartParms)SDL_malloc(sizeof(tThreadStartParms)); |
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104 if (!pThreadParms) { |
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105 SDL_OutOfMemory(); |
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106 return(-1); |
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107 } |
0 | 108 |
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109 // Save the function which we will have to call to clear the RTL of calling app! |
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110 pThreadParms->pfnCurrentEndThread = pfnEndThread; |
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111 // Also save the real parameters we have to pass to thread function |
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112 pThreadParms->args = args; |
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113 |
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114 if (pfnBeginThread) { |
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115 thread->handle = (SYS_ThreadHandle) pfnBeginThread(NULL, 0, RunThread, |
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116 pThreadParms, 0, &threadid); |
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117 } else { |
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118 thread->handle = CreateThread(NULL, 0, RunThread, pThreadParms, 0, &threadid); |
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119 } |
0 | 120 if (thread->handle == NULL) { |
121 SDL_SetError("Not enough resources to create thread"); | |
122 return(-1); | |
123 } | |
124 return(0); | |
125 } | |
126 | |
127 void SDL_SYS_SetupThread(void) | |
128 { | |
129 return; | |
130 } | |
131 | |
132 Uint32 SDL_ThreadID(void) | |
133 { | |
134 return((Uint32)GetCurrentThreadId()); | |
135 } | |
136 | |
137 void SDL_SYS_WaitThread(SDL_Thread *thread) | |
138 { | |
139 WaitForSingleObject(thread->handle, INFINITE); | |
140 CloseHandle(thread->handle); | |
141 } | |
142 | |
143 /* WARNING: This function is really a last resort. | |
144 * Threads should be signaled and then exit by themselves. | |
145 * TerminateThread() doesn't perform stack and DLL cleanup. | |
146 */ | |
147 void SDL_SYS_KillThread(SDL_Thread *thread) | |
148 { | |
149 TerminateThread(thread->handle, FALSE); | |
150 } |