Mercurial > sdl-ios-xcode
annotate src/thread/win32/SDL_systhread.c @ 1313:09f0e1634b6d
*** empty log message ***
| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Wed, 01 Feb 2006 07:12:14 +0000 |
| parents | c9b51268668f |
| children | 450721ad5436 |
| rev | line source |
|---|---|
| 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 /* Win32 thread management routines for SDL */ | |
| 24 | |
| 25 #include <stdio.h> | |
| 26 #include <stdlib.h> | |
| 27 #include <windows.h> | |
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28 |
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29 #ifndef _WIN32_WCE |
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30 #include <process.h> |
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31 #endif |
| 0 | 32 |
| 33 #include "SDL_error.h" | |
| 34 #include "SDL_thread.h" | |
| 35 #include "SDL_systhread.h" | |
| 36 | |
| 37 | |
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38 static unsigned __stdcall RunThread(void *data) |
| 0 | 39 { |
| 40 SDL_RunThread(data); | |
| 41 return(0); | |
| 42 } | |
| 43 | |
| 44 int SDL_SYS_CreateThread(SDL_Thread *thread, void *args) | |
| 45 { | |
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46 unsigned threadid; |
| 0 | 47 |
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48 /* |
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49 * Avoid CreateThread: https://bugzilla.libsdl.org/show_bug.cgi?id=22 |
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50 * |
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51 * have to use _beginthreadex if we want the returned handle |
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52 * to be accessible after the thread exits |
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53 * threads created with _beginthread auto-close the handle |
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54 * Windows CE still use CreateThread. |
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55 */ |
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56 #ifdef _WIN32_WCE |
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57 thread->handle = CreateThread(NULL, 0, RunThread, args, 0, &threadid); |
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58 #else |
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59 thread->handle = (SYS_ThreadHandle) _beginthreadex(NULL, 0, RunThread, |
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60 args, 0, &threadid); |
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61 #endif |
| 0 | 62 if (thread->handle == NULL) { |
| 63 SDL_SetError("Not enough resources to create thread"); | |
| 64 return(-1); | |
| 65 } | |
| 66 return(0); | |
| 67 } | |
| 68 | |
| 69 void SDL_SYS_SetupThread(void) | |
| 70 { | |
| 71 return; | |
| 72 } | |
| 73 | |
| 74 Uint32 SDL_ThreadID(void) | |
| 75 { | |
| 76 return((Uint32)GetCurrentThreadId()); | |
| 77 } | |
| 78 | |
| 79 void SDL_SYS_WaitThread(SDL_Thread *thread) | |
| 80 { | |
| 81 WaitForSingleObject(thread->handle, INFINITE); | |
| 82 CloseHandle(thread->handle); | |
| 83 } | |
| 84 | |
| 85 /* WARNING: This function is really a last resort. | |
| 86 * Threads should be signaled and then exit by themselves. | |
| 87 * TerminateThread() doesn't perform stack and DLL cleanup. | |
| 88 */ | |
| 89 void SDL_SYS_KillThread(SDL_Thread *thread) | |
| 90 { | |
| 91 TerminateThread(thread->handle, FALSE); | |
| 92 } |