Mercurial > sdl-ios-xcode
annotate include/SDL_thread.h @ 2072:4b3f98a9a2c1
xbios: preliminary video mode init
author | Patrice Mandin <patmandin@gmail.com> |
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date | Mon, 13 Nov 2006 19:59:28 +0000 |
parents | 866052b01ee5 |
children | 4436464c4f51 |
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 */ |
22 | |
23 #ifndef _SDL_thread_h | |
24 #define _SDL_thread_h | |
25 | |
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26 /** |
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27 * \file SDL_thread.h |
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28 * |
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29 * Header for the SDL thread management routines |
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30 */ |
0 | 31 |
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32 #include "SDL_stdinc.h" |
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33 #include "SDL_error.h" |
0 | 34 |
35 /* Thread synchronization primitives */ | |
36 #include "SDL_mutex.h" | |
37 | |
38 #include "begin_code.h" | |
39 /* Set up for C function definitions, even when using C++ */ | |
40 #ifdef __cplusplus | |
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41 /* *INDENT-OFF* */ |
0 | 42 extern "C" { |
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43 /* *INDENT-ON* */ |
0 | 44 #endif |
45 | |
46 /* The SDL thread structure, defined in SDL_thread.c */ | |
47 struct SDL_Thread; | |
48 typedef struct SDL_Thread SDL_Thread; | |
49 | |
50 /* Create a thread */ | |
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51 #if (defined(__WIN32__) && !defined(HAVE_LIBC)) || defined(__OS2__) |
1190 | 52 /* |
53 We compile SDL into a DLL on OS/2. This means, that it's the DLL which | |
54 creates a new thread for the calling process with the SDL_CreateThread() | |
55 API. There is a problem with this, that only the RTL of the SDL.DLL will | |
56 be initialized for those threads, and not the RTL of the calling application! | |
57 To solve this, we make a little hack here. | |
58 We'll always use the caller's _beginthread() and _endthread() APIs to | |
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59 start a new thread. This way, if it's the SDL.DLL which uses this API, |
1190 | 60 then the RTL of SDL.DLL will be used to create the new thread, and if it's |
61 the application, then the RTL of the application will be used. | |
62 So, in short: | |
63 Always use the _beginthread() and _endthread() of the calling runtime library! | |
64 */ | |
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65 #define SDL_PASSED_BEGINTHREAD_ENDTHREAD |
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66 #ifndef _WIN32_WCE |
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67 #include <process.h> /* This has _beginthread() and _endthread() defined! */ |
1190 | 68 #endif |
69 | |
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70 #ifdef __OS2__ |
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71 typedef int (*pfnSDL_CurrentBeginThread) (void (*func) (void *), void *, |
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72 unsigned, void *arg); |
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73 typedef void (*pfnSDL_CurrentEndThread) (void); |
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74 #elif __GNUC__ |
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75 typedef unsigned long (__cdecl * pfnSDL_CurrentBeginThread) (void *, unsigned, |
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76 unsigned |
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77 (__stdcall * |
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78 func) (void *), |
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79 void *arg, |
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80 unsigned, |
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81 unsigned |
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82 *threadID); |
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83 typedef void (__cdecl * pfnSDL_CurrentEndThread) (unsigned code); |
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84 #else |
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85 typedef uintptr_t(__cdecl * pfnSDL_CurrentBeginThread) (void *, unsigned, |
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86 unsigned (__stdcall * |
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87 func) (void |
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88 *), |
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89 void *arg, unsigned, |
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90 unsigned *threadID); |
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91 typedef void (__cdecl * pfnSDL_CurrentEndThread) (unsigned code); |
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92 #endif |
1190 | 93 |
2060 | 94 extern DECLSPEC SDL_Thread *SDLCALL |
95 SDL_CreateThread(int (SDLCALL * f) (void *), void *data, | |
96 pfnSDL_CurrentBeginThread pfnBeginThread, | |
97 pfnSDL_CurrentEndThread pfnEndThread); | |
1190 | 98 |
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99 #ifdef __OS2__ |
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100 #define SDL_CreateThread(fn, data) SDL_CreateThread(fn, data, _beginthread, _endthread) |
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101 #elif defined(_WIN32_WCE) |
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102 #define SDL_CreateThread(fn, data) SDL_CreateThread(fn, data, NULL, NULL) |
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103 #else |
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104 #define SDL_CreateThread(fn, data) SDL_CreateThread(fn, data, _beginthreadex, _endthreadex) |
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105 #endif |
1190 | 106 #else |
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107 extern DECLSPEC SDL_Thread *SDLCALL |
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108 SDL_CreateThread(int (SDLCALL * fn) (void *), void *data); |
1190 | 109 #endif |
0 | 110 |
111 /* Get the 32-bit thread identifier for the current thread */ | |
337
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112 extern DECLSPEC Uint32 SDLCALL SDL_ThreadID(void); |
0 | 113 |
114 /* Get the 32-bit thread identifier for the specified thread, | |
115 equivalent to SDL_ThreadID() if the specified thread is NULL. | |
116 */ | |
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117 extern DECLSPEC Uint32 SDLCALL SDL_GetThreadID(SDL_Thread * thread); |
0 | 118 |
119 /* Wait for a thread to finish. | |
120 The return code for the thread function is placed in the area | |
121 pointed to by 'status', if 'status' is not NULL. | |
122 */ | |
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123 extern DECLSPEC void SDLCALL SDL_WaitThread(SDL_Thread * thread, int *status); |
0 | 124 |
125 /* Forcefully kill a thread without worrying about its state */ | |
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126 extern DECLSPEC void SDLCALL SDL_KillThread(SDL_Thread * thread); |
0 | 127 |
128 | |
129 /* Ends C function definitions when using C++ */ | |
130 #ifdef __cplusplus | |
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131 /* *INDENT-OFF* */ |
0 | 132 } |
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133 /* *INDENT-ON* */ |
0 | 134 #endif |
135 #include "close_code.h" | |
136 | |
137 #endif /* _SDL_thread_h */ | |
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138 |
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139 /* vi: set ts=4 sw=4 expandtab: */ |