Mercurial > sdl-ios-xcode
annotate src/thread/win32/SDL_systhread.c @ 1225:09bc22169702
Windows should use _beginthreadex() instead of CreateThread(), to avoid a
memory leak on each joined thread.
| author | Ryan C. Gordon <icculus@icculus.org> |
|---|---|
| date | Wed, 04 Jan 2006 21:01:49 +0000 |
| parents | b8d311d90021 |
| children | 86d0d01290ea |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 2 SDL - Simple DirectMedia Layer | |
|
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b8d311d90021
Updated copyright information for 2004 (Happy New Year!)
Sam Lantinga <slouken@libsdl.org>
parents:
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3 Copyright (C) 1997-2004 Sam Lantinga |
| 0 | 4 |
| 5 This library is free software; you can redistribute it and/or | |
| 6 modify it under the terms of the GNU Library General Public | |
| 7 License as published by the Free Software Foundation; either | |
| 8 version 2 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 Library General Public License for more details. | |
| 14 | |
| 15 You should have received a copy of the GNU Library General Public | |
| 16 License along with this library; if not, write to the Free | |
| 17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
| 18 | |
| 19 Sam Lantinga | |
|
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e8157fcb3114
Updated the source with the correct e-mail address
Sam Lantinga <slouken@libsdl.org>
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20 slouken@libsdl.org |
| 0 | 21 */ |
| 22 | |
| 23 #ifdef SAVE_RCSID | |
| 24 static char rcsid = | |
| 25 "@(#) $Id$"; | |
| 26 #endif | |
| 27 | |
| 28 /* Win32 thread management routines for SDL */ | |
| 29 | |
| 30 #include <stdio.h> | |
| 31 #include <stdlib.h> | |
| 32 #include <windows.h> | |
|
1225
09bc22169702
Windows should use _beginthreadex() instead of CreateThread(), to avoid a
Ryan C. Gordon <icculus@icculus.org>
parents:
769
diff
changeset
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33 #include <process.h> |
| 0 | 34 |
| 35 #include "SDL_error.h" | |
| 36 #include "SDL_thread.h" | |
| 37 #include "SDL_systhread.h" | |
| 38 | |
| 39 | |
|
1225
09bc22169702
Windows should use _beginthreadex() instead of CreateThread(), to avoid a
Ryan C. Gordon <icculus@icculus.org>
parents:
769
diff
changeset
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40 static unsigned __stdcall RunThread(void *data) |
| 0 | 41 { |
| 42 SDL_RunThread(data); | |
| 43 return(0); | |
| 44 } | |
| 45 | |
| 46 int SDL_SYS_CreateThread(SDL_Thread *thread, void *args) | |
| 47 { | |
|
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Windows should use _beginthreadex() instead of CreateThread(), to avoid a
Ryan C. Gordon <icculus@icculus.org>
parents:
769
diff
changeset
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48 unsigned threadid; |
| 0 | 49 |
|
1225
09bc22169702
Windows should use _beginthreadex() instead of CreateThread(), to avoid a
Ryan C. Gordon <icculus@icculus.org>
parents:
769
diff
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50 /* |
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09bc22169702
Windows should use _beginthreadex() instead of CreateThread(), to avoid a
Ryan C. Gordon <icculus@icculus.org>
parents:
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51 * Avoid CreateThread: https://bugzilla.libsdl.org/show_bug.cgi?id=22 |
|
09bc22169702
Windows should use _beginthreadex() instead of CreateThread(), to avoid a
Ryan C. Gordon <icculus@icculus.org>
parents:
769
diff
changeset
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52 * |
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09bc22169702
Windows should use _beginthreadex() instead of CreateThread(), to avoid a
Ryan C. Gordon <icculus@icculus.org>
parents:
769
diff
changeset
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53 * have to use _beginthreadex if we want the returned handle |
|
09bc22169702
Windows should use _beginthreadex() instead of CreateThread(), to avoid a
Ryan C. Gordon <icculus@icculus.org>
parents:
769
diff
changeset
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54 * to be accessible after the thread exits |
|
09bc22169702
Windows should use _beginthreadex() instead of CreateThread(), to avoid a
Ryan C. Gordon <icculus@icculus.org>
parents:
769
diff
changeset
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55 * threads created with _beginthread auto-close the handle |
|
09bc22169702
Windows should use _beginthreadex() instead of CreateThread(), to avoid a
Ryan C. Gordon <icculus@icculus.org>
parents:
769
diff
changeset
|
56 */ |
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09bc22169702
Windows should use _beginthreadex() instead of CreateThread(), to avoid a
Ryan C. Gordon <icculus@icculus.org>
parents:
769
diff
changeset
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57 thread->handle = (SYS_ThreadHandle) _beginthreadex(NULL, 0, RunThread, |
|
09bc22169702
Windows should use _beginthreadex() instead of CreateThread(), to avoid a
Ryan C. Gordon <icculus@icculus.org>
parents:
769
diff
changeset
|
58 args, 0, &threadid); |
| 0 | 59 if (thread->handle == NULL) { |
| 60 SDL_SetError("Not enough resources to create thread"); | |
| 61 return(-1); | |
| 62 } | |
| 63 return(0); | |
| 64 } | |
| 65 | |
| 66 void SDL_SYS_SetupThread(void) | |
| 67 { | |
| 68 return; | |
| 69 } | |
| 70 | |
| 71 Uint32 SDL_ThreadID(void) | |
| 72 { | |
| 73 return((Uint32)GetCurrentThreadId()); | |
| 74 } | |
| 75 | |
| 76 void SDL_SYS_WaitThread(SDL_Thread *thread) | |
| 77 { | |
| 78 WaitForSingleObject(thread->handle, INFINITE); | |
| 79 CloseHandle(thread->handle); | |
| 80 } | |
| 81 | |
| 82 /* WARNING: This function is really a last resort. | |
| 83 * Threads should be signaled and then exit by themselves. | |
| 84 * TerminateThread() doesn't perform stack and DLL cleanup. | |
| 85 */ | |
| 86 void SDL_SYS_KillThread(SDL_Thread *thread) | |
| 87 { | |
| 88 TerminateThread(thread->handle, FALSE); | |
| 89 } |