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annotate src/thread/win32/SDL_systhread.c @ 1470:d47d96962fcc

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Fixed declarations to match mingw includes
author Sam Lantinga <slouken@libsdl.org>
date Mon, 06 Mar 2006 06:00:45 +0000
parents bb6839704ed6
children 9fb0eee04dd9
rev   line source
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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 #include "SDL_config.h"
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23
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24 /* Win32 thread management routines for SDL */
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25
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26 #define WIN32_LEAN_AND_MEAN
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27 #include <windows.h>
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28
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29 #include "SDL_thread.h"
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30 #include "../SDL_thread_c.h"
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31 #include "../SDL_systhread.h"
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32
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33 typedef struct ThreadStartParms
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34 {
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35 void *args;
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36 pfnSDL_CurrentEndThread pfnCurrentEndThread;
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37 } tThreadStartParms, *pThreadStartParms;
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38
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39 static unsigned __stdcall RunThread(void *data)
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40 {
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41 pThreadStartParms pThreadParms = (pThreadStartParms)data;
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42 pfnSDL_CurrentEndThread pfnCurrentEndThread = NULL;
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43
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44 // Call the thread function!
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45 SDL_RunThread(pThreadParms->args);
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46
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47 // Get the current endthread we have to use!
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48 if (pThreadParms)
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49 {
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50 pfnCurrentEndThread = pThreadParms->pfnCurrentEndThread;
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51 SDL_free(pThreadParms);
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52 }
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53 // Call endthread!
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54 if (pfnCurrentEndThread)
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55 (*pfnCurrentEndThread)(0);
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56 return(0);
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57 }
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58
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59 int SDL_SYS_CreateThread(SDL_Thread *thread, void *args, pfnSDL_CurrentBeginThread pfnBeginThread, pfnSDL_CurrentEndThread pfnEndThread)
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60 {
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61 unsigned threadid;
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62 pThreadStartParms pThreadParms = (pThreadStartParms)SDL_malloc(sizeof(tThreadStartParms));
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63 if (!pThreadParms) {
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64 SDL_OutOfMemory();
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65 return(-1);
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66 }
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67
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68 // Save the function which we will have to call to clear the RTL of calling app!
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69 pThreadParms->pfnCurrentEndThread = pfnEndThread;
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70 // Also save the real parameters we have to pass to thread function
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71 pThreadParms->args = args;
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72
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73 if (pfnBeginThread) {
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74 thread->handle = (SYS_ThreadHandle) pfnBeginThread(NULL, 0, RunThread,
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75 pThreadParms, 0, &threadid);
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76 } else {
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77 thread->handle = CreateThread(NULL, 0, RunThread, pThreadParms, 0, &threadid);
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78 }
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79 if (thread->handle == NULL) {
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80 SDL_SetError("Not enough resources to create thread");
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81 return(-1);
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82 }
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83 return(0);
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84 }
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85
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86 void SDL_SYS_SetupThread(void)
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87 {
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88 return;
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89 }
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90
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91 Uint32 SDL_ThreadID(void)
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92 {
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93 return((Uint32)GetCurrentThreadId());
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94 }
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95
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96 void SDL_SYS_WaitThread(SDL_Thread *thread)
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97 {
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98 WaitForSingleObject(thread->handle, INFINITE);
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99 CloseHandle(thread->handle);
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100 }
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101
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102 /* WARNING: This function is really a last resort.
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103 * Threads should be signaled and then exit by themselves.
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104 * TerminateThread() doesn't perform stack and DLL cleanup.
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105 */
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106 void SDL_SYS_KillThread(SDL_Thread *thread)
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107 {
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108 TerminateThread(thread->handle, FALSE);
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109 }