Mercurial > sdl-ios-xcode
annotate src/thread/os2/SDL_systhread.c @ 1356:67114343400d
*** empty log message ***
| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Fri, 10 Feb 2006 03:19:02 +0000 |
| parents | 604d73db6802 |
| children | c71e05b4dc2e |
| rev | line source |
|---|---|
| 1190 | 1 /* |
| 2 SDL - Simple DirectMedia Layer | |
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Updated copyright information and removed rcs id lines (problematic in branch merges)
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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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Sam Lantinga <slouken@libsdl.org>
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13 Lesser General Public License for more details. |
| 1190 | 14 |
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Updated copyright information and removed rcs id lines (problematic in branch merges)
Sam Lantinga <slouken@libsdl.org>
parents:
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15 You should have received a copy of the GNU Lesser General Public |
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c9b51268668f
Updated copyright information and removed rcs id lines (problematic in branch merges)
Sam Lantinga <slouken@libsdl.org>
parents:
1190
diff
changeset
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16 License along with this library; if not, write to the Free Software |
|
c9b51268668f
Updated copyright information and removed rcs id lines (problematic in branch merges)
Sam Lantinga <slouken@libsdl.org>
parents:
1190
diff
changeset
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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 */ | |
| 22 | |
| 23 /* OS/2 thread management routines for SDL */ | |
| 24 | |
| 25 #include <process.h> | |
| 26 #define INCL_DOSERRORS | |
| 27 #define INCL_DOSPROCESS | |
| 28 #include <os2.h> | |
| 29 | |
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30 #include "SDL_stdlib.h" |
| 1190 | 31 #include "SDL_error.h" |
| 32 #include "SDL_thread.h" | |
| 33 #include "SDL_systhread.h" | |
| 34 | |
| 35 typedef struct ThreadStartParms | |
| 36 { | |
| 37 void *args; | |
| 38 pfnSDL_CurrentEndThread pfnCurrentEndThread; | |
| 39 } tThreadStartParms, *pThreadStartParms; | |
| 40 | |
| 41 static void threadfunc(void *pparm) | |
| 42 { | |
| 43 pThreadStartParms pThreadParms = pparm; | |
| 44 pfnSDL_CurrentEndThread pfnCurrentEndThread = NULL; | |
| 45 | |
| 46 // Call the thread function! | |
| 47 SDL_RunThread(pThreadParms->args); | |
| 48 | |
| 49 // Get the current endthread we have to use! | |
| 50 if (pThreadParms) | |
| 51 { | |
| 52 pfnCurrentEndThread = pThreadParms->pfnCurrentEndThread; | |
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53 SDL_free(pThreadParms); |
| 1190 | 54 } |
| 55 // Call endthread! | |
| 56 if (pfnCurrentEndThread) | |
| 57 (*pfnCurrentEndThread)(); | |
| 58 } | |
| 59 | |
| 60 int SDL_SYS_CreateThread(SDL_Thread *thread, void *args, pfnSDL_CurrentBeginThread pfnBeginThread, pfnSDL_CurrentEndThread pfnEndThread) | |
| 61 { | |
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62 pThreadStartParms pThreadParms = SDL_malloc(sizeof(tThreadStartParms)); |
| 1190 | 63 if (!pThreadParms) |
| 64 { | |
| 65 SDL_SetError("Not enough memory to create thread"); | |
| 66 return(-1); | |
| 67 } | |
| 68 | |
| 69 // Save the function which we will have to call to clear the RTL of calling app! | |
| 70 pThreadParms->pfnCurrentEndThread = pfnEndThread; | |
| 71 // Also save the real parameters we have to pass to thread function | |
| 72 pThreadParms->args = args; | |
| 73 // Start the thread using the runtime library of calling app! | |
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74 thread->threadid = thread->handle = (*pfnBeginThread)(threadfunc, NULL, 512*1024, pThreadParms); |
| 1190 | 75 if (thread->threadid<=0) |
| 76 { | |
| 77 SDL_SetError("Not enough resources to create thread"); | |
| 78 return(-1); | |
| 79 } | |
| 80 return(0); | |
| 81 } | |
| 82 | |
| 83 void SDL_SYS_SetupThread(void) | |
| 84 { | |
| 85 return; | |
| 86 } | |
| 87 | |
| 88 DECLSPEC Uint32 SDLCALL SDL_ThreadID(void) | |
| 89 { | |
| 90 PTIB tib; | |
| 91 DosGetInfoBlocks(&tib, NULL); | |
| 92 return((Uint32) (tib->tib_ptib2->tib2_ultid)); | |
| 93 } | |
| 94 | |
| 95 void SDL_SYS_WaitThread(SDL_Thread *thread) | |
| 96 { | |
| 97 TID tid = thread->handle; | |
| 98 DosWaitThread(&tid, DCWW_WAIT); | |
| 99 } | |
| 100 | |
| 101 /* WARNING: This function is really a last resort. | |
| 102 * Threads should be signaled and then exit by themselves. | |
| 103 * TerminateThread() doesn't perform stack and DLL cleanup. | |
| 104 */ | |
| 105 void SDL_SYS_KillThread(SDL_Thread *thread) | |
| 106 { | |
| 107 DosKillThread(thread->handle); | |
| 108 } |