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annotate src/thread/win32/SDL_systhread.c @ 1312:c9b51268668f

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Updated copyright information and removed rcs id lines (problematic in branch merges) I batch edited these files, so please let me know if I've accidentally removed anybody's credit here.
author Sam Lantinga <slouken@libsdl.org>
date Wed, 01 Feb 2006 06:32:25 +0000
parents 86d0d01290ea
children 450721ad5436
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997-2006 Sam Lantinga
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4
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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
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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.
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9
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10 This library is distributed in the hope that it will be useful,
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11 but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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13 Lesser General Public License for more details.
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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
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18
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19 Sam Lantinga
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20 slouken@libsdl.org
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21 */
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22
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23 /* Win32 thread management routines for SDL */
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24
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25 #include <stdio.h>
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26 #include <stdlib.h>
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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
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32
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33 #include "SDL_error.h"
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34 #include "SDL_thread.h"
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35 #include "SDL_systhread.h"
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36
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37
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38 static unsigned __stdcall RunThread(void *data)
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39 {
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40 SDL_RunThread(data);
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41 return(0);
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42 }
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43
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44 int SDL_SYS_CreateThread(SDL_Thread *thread, void *args)
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45 {
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46 unsigned threadid;
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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
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62 if (thread->handle == NULL) {
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63 SDL_SetError("Not enough resources to create thread");
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64 return(-1);
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65 }
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66 return(0);
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67 }
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68
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69 void SDL_SYS_SetupThread(void)
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70 {
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71 return;
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72 }
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73
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74 Uint32 SDL_ThreadID(void)
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75 {
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76 return((Uint32)GetCurrentThreadId());
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77 }
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78
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79 void SDL_SYS_WaitThread(SDL_Thread *thread)
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80 {
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81 WaitForSingleObject(thread->handle, INFINITE);
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82 CloseHandle(thread->handle);
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83 }
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84
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85 /* WARNING: This function is really a last resort.
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86 * Threads should be signaled and then exit by themselves.
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87 * TerminateThread() doesn't perform stack and DLL cleanup.
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88 */
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89 void SDL_SYS_KillThread(SDL_Thread *thread)
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90 {
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91 TerminateThread(thread->handle, FALSE);
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92 }