Mercurial > sdl-ios-xcode
annotate src/thread/os2/SDL_systhread.c @ 2429:2c55b72ba46e gsoc2008_iphone
testdyngles is exactly what it sounds like -- a version of testdyngl that uses OpenGL ES calls instead of OpenGL. Was necessary to create because glOrtho is called glOrthof in OpenGL ES, and OpenGL ES doesn't have glBegin() type semantics for specifying geometry.
author | Holmes Futrell <hfutrell@umail.ucsb.edu> |
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date | Fri, 15 Aug 2008 00:52:52 +0000 |
parents | c121d94672cb |
children | 4436464c4f51 |
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1190 | 1 /* |
2 SDL - Simple DirectMedia Layer | |
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3 Copyright (C) 1997-2006 Sam Lantinga |
1190 | 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 |
1190 | 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. |
1190 | 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. |
1190 | 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 |
1190 | 18 |
19 Sam Lantinga | |
20 slouken@libsdl.org | |
21 */ | |
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22 #include "SDL_config.h" |
1190 | 23 |
24 /* OS/2 thread management routines for SDL */ | |
25 | |
26 #include <process.h> | |
27 #define INCL_DOSERRORS | |
28 #define INCL_DOSPROCESS | |
29 #include <os2.h> | |
30 | |
31 #include "SDL_thread.h" | |
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32 #include "../SDL_systhread.h" |
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33 #include "../SDL_thread_c.h" |
1190 | 34 |
35 typedef struct ThreadStartParms | |
36 { | |
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37 void *args; |
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38 pfnSDL_CurrentEndThread pfnCurrentEndThread; |
1190 | 39 } tThreadStartParms, *pThreadStartParms; |
40 | |
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41 static void |
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42 threadfunc(void *pparm) |
1190 | 43 { |
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44 pThreadStartParms pThreadParms = pparm; |
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45 pfnSDL_CurrentEndThread pfnCurrentEndThread = NULL; |
1190 | 46 |
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47 // Call the thread function! |
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48 SDL_RunThread(pThreadParms->args); |
1190 | 49 |
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50 // Get the current endthread we have to use! |
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51 if (pThreadParms) { |
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52 pfnCurrentEndThread = pThreadParms->pfnCurrentEndThread; |
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53 SDL_free(pThreadParms); |
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54 } |
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55 // Call endthread! |
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56 if (pfnCurrentEndThread) |
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57 (*pfnCurrentEndThread) (); |
1190 | 58 } |
59 | |
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60 int |
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61 SDL_SYS_CreateThread(SDL_Thread * thread, void *args, |
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62 pfnSDL_CurrentBeginThread pfnBeginThread, |
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63 pfnSDL_CurrentEndThread pfnEndThread) |
1190 | 64 { |
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65 pThreadStartParms pThreadParms = SDL_malloc(sizeof(tThreadStartParms)); |
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66 if (!pThreadParms) { |
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67 SDL_SetError("Not enough memory to create thread"); |
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68 return (-1); |
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69 } |
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70 // Save the function which we will have to call to clear the RTL of calling app! |
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71 pThreadParms->pfnCurrentEndThread = pfnEndThread; |
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72 // Also save the real parameters we have to pass to thread function |
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73 pThreadParms->args = args; |
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74 // Start the thread using the runtime library of calling app! |
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75 thread->threadid = thread->handle = |
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76 (*pfnBeginThread) (threadfunc, NULL, 512 * 1024, pThreadParms); |
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77 if ((int) thread->threadid <= 0) { |
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78 SDL_SetError("Not enough resources to create thread"); |
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79 return (-1); |
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80 } |
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81 return (0); |
1190 | 82 } |
83 | |
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84 void |
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85 SDL_SYS_SetupThread(void) |
1190 | 86 { |
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87 return; |
1190 | 88 } |
89 | |
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90 DECLSPEC Uint32 SDLCALL |
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91 SDL_ThreadID(void) |
1190 | 92 { |
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93 PTIB tib; |
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94 DosGetInfoBlocks(&tib, NULL); |
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95 return ((Uint32) (tib->tib_ptib2->tib2_ultid)); |
1190 | 96 } |
97 | |
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98 void |
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99 SDL_SYS_WaitThread(SDL_Thread * thread) |
1190 | 100 { |
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101 TID tid = thread->handle; |
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102 DosWaitThread(&tid, DCWW_WAIT); |
1190 | 103 } |
104 | |
105 /* WARNING: This function is really a last resort. | |
106 * Threads should be signaled and then exit by themselves. | |
107 * TerminateThread() doesn't perform stack and DLL cleanup. | |
108 */ | |
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109 void |
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110 SDL_SYS_KillThread(SDL_Thread * thread) |
1190 | 111 { |
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112 DosKillThread(thread->handle); |
1190 | 113 } |
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114 |
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115 /* vi: set ts=4 sw=4 expandtab: */ |