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comparison src/thread/win32/SDL_systhread.c @ 1330:450721ad5436

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It's now possible to build SDL without any C runtime at all on Windows, using Visual C++ 2005
author Sam Lantinga <slouken@libsdl.org>
date Mon, 06 Feb 2006 08:28:51 +0000
parents c9b51268668f
children 3692456e7b0f
comparison
equal deleted inserted replaced
1329:bc67bbf87818 1330:450721ad5436
20 slouken@libsdl.org 20 slouken@libsdl.org
21 */ 21 */
22 22
23 /* Win32 thread management routines for SDL */ 23 /* Win32 thread management routines for SDL */
24 24
25 #include <stdio.h> 25 #include "SDL_windows.h"
26 #include <stdlib.h>
27 #include <windows.h>
28
29 #ifndef _WIN32_WCE
30 #include <process.h>
31 #endif
32 26
33 #include "SDL_error.h" 27 #include "SDL_error.h"
34 #include "SDL_thread.h" 28 #include "SDL_thread.h"
29 #include "SDL_stdlib.h"
35 #include "SDL_systhread.h" 30 #include "SDL_systhread.h"
36 31
32 typedef struct ThreadStartParms
33 {
34 void *args;
35 pfnSDL_CurrentEndThread pfnCurrentEndThread;
36 } tThreadStartParms, *pThreadStartParms;
37 37
38 static unsigned __stdcall RunThread(void *data) 38 static unsigned __stdcall RunThread(void *data)
39 { 39 {
40 SDL_RunThread(data); 40 pThreadStartParms pThreadParms = (pThreadStartParms)data;
41 return(0); 41 pfnSDL_CurrentEndThread pfnCurrentEndThread = NULL;
42
43 // Call the thread function!
44 SDL_RunThread(pThreadParms->args);
45
46 // Get the current endthread we have to use!
47 if (pThreadParms)
48 {
49 pfnCurrentEndThread = pThreadParms->pfnCurrentEndThread;
50 free(pThreadParms);
51 }
52 // Call endthread!
53 if (pfnCurrentEndThread)
54 (*pfnCurrentEndThread)(0);
55 return(0);
42 } 56 }
43 57
44 int SDL_SYS_CreateThread(SDL_Thread *thread, void *args) 58 int SDL_SYS_CreateThread(SDL_Thread *thread, void *args, pfnSDL_CurrentBeginThread pfnBeginThread, pfnSDL_CurrentEndThread pfnEndThread)
45 { 59 {
46 unsigned threadid; 60 unsigned threadid;
61 pThreadStartParms pThreadParms = (pThreadStartParms)malloc(sizeof(tThreadStartParms));
62 if (!pThreadParms) {
63 SDL_OutOfMemory();
64 return(-1);
65 }
47 66
48 /* 67 // Save the function which we will have to call to clear the RTL of calling app!
49 * Avoid CreateThread: https://bugzilla.libsdl.org/show_bug.cgi?id=22 68 pThreadParms->pfnCurrentEndThread = pfnEndThread;
50 * 69 // Also save the real parameters we have to pass to thread function
51 * have to use _beginthreadex if we want the returned handle 70 pThreadParms->args = args;
52 * to be accessible after the thread exits 71
53 * threads created with _beginthread auto-close the handle 72 if (pfnBeginThread) {
54 * Windows CE still use CreateThread. 73 thread->handle = (SYS_ThreadHandle) pfnBeginThread(NULL, 0, RunThread,
55 */ 74 pThreadParms, 0, &threadid);
56 #ifdef _WIN32_WCE 75 } else {
57 thread->handle = CreateThread(NULL, 0, RunThread, args, 0, &threadid); 76 thread->handle = CreateThread(NULL, 0, RunThread, pThreadParms, 0, &threadid);
58 #else 77 }
59 thread->handle = (SYS_ThreadHandle) _beginthreadex(NULL, 0, RunThread,
60 args, 0, &threadid);
61 #endif
62 if (thread->handle == NULL) { 78 if (thread->handle == NULL) {
63 SDL_SetError("Not enough resources to create thread"); 79 SDL_SetError("Not enough resources to create thread");
64 return(-1); 80 return(-1);
65 } 81 }
66 return(0); 82 return(0);