diff options
Diffstat (limited to 'apps/plugins/sdl/src/thread/os2/SDL_systhread.c')
-rw-r--r-- | apps/plugins/sdl/src/thread/os2/SDL_systhread.c | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/apps/plugins/sdl/src/thread/os2/SDL_systhread.c b/apps/plugins/sdl/src/thread/os2/SDL_systhread.c new file mode 100644 index 0000000000..33f815a5fb --- /dev/null +++ b/apps/plugins/sdl/src/thread/os2/SDL_systhread.c | |||
@@ -0,0 +1,108 @@ | |||
1 | /* | ||
2 | SDL - Simple DirectMedia Layer | ||
3 | Copyright (C) 1997-2012 Sam Lantinga | ||
4 | |||
5 | This library is free software; you can redistribute it and/or | ||
6 | modify it under the terms of the GNU Lesser General Public | ||
7 | License as published by the Free Software Foundation; either | ||
8 | version 2.1 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 | Lesser General Public License for more details. | ||
14 | |||
15 | You should have received a copy of the GNU Lesser General Public | ||
16 | License along with this library; if not, write to the Free Software | ||
17 | Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | ||
18 | |||
19 | Sam Lantinga | ||
20 | slouken@libsdl.org | ||
21 | */ | ||
22 | #include "SDL_config.h" | ||
23 | |||
24 | /* OS/2 thread management routines for SDL */ | ||
25 | |||
26 | #include <process.h> | ||
27 | #define INCL_DOSERRORS | ||
28 | #define INCL_DOSPROCESS | ||
29 | #include <os2.h> | ||
30 | |||
31 | #include "SDL_thread.h" | ||
32 | #include "../SDL_systhread.h" | ||
33 | #include "../SDL_thread_c.h" | ||
34 | |||
35 | typedef struct ThreadStartParms | ||
36 | { | ||
37 | void *args; | ||
38 | pfnSDL_CurrentEndThread pfnCurrentEndThread; | ||
39 | } tThreadStartParms, *pThreadStartParms; | ||
40 | |||
41 | static void threadfunc(void *pparm) | ||
42 | { | ||
43 | pThreadStartParms pThreadParms = pparm; | ||
44 | pfnSDL_CurrentEndThread pfnCurrentEndThread = NULL; | ||
45 | |||
46 | // Call the thread function! | ||
47 | SDL_RunThread(pThreadParms->args); | ||
48 | |||
49 | // Get the current endthread we have to use! | ||
50 | if (pThreadParms) | ||
51 | { | ||
52 | pfnCurrentEndThread = pThreadParms->pfnCurrentEndThread; | ||
53 | SDL_free(pThreadParms); | ||
54 | } | ||
55 | // Call endthread! | ||
56 | if (pfnCurrentEndThread) | ||
57 | (*pfnCurrentEndThread)(); | ||
58 | } | ||
59 | |||
60 | int SDL_SYS_CreateThread(SDL_Thread *thread, void *args, pfnSDL_CurrentBeginThread pfnBeginThread, pfnSDL_CurrentEndThread pfnEndThread) | ||
61 | { | ||
62 | pThreadStartParms pThreadParms = SDL_malloc(sizeof(tThreadStartParms)); | ||
63 | if (!pThreadParms) | ||
64 | { | ||
65 | SDL_SetError("Not enough memory to create thread"); | ||
66 | return(-1); | ||
67 | } | ||
68 | |||
69 | // Save the function which we will have to call to clear the RTL of calling app! | ||
70 | pThreadParms->pfnCurrentEndThread = pfnEndThread; | ||
71 | // Also save the real parameters we have to pass to thread function | ||
72 | pThreadParms->args = args; | ||
73 | // Start the thread using the runtime library of calling app! | ||
74 | thread->threadid = thread->handle = (*pfnBeginThread)(threadfunc, NULL, 512*1024, pThreadParms); | ||
75 | if ((int)thread->threadid <= 0) | ||
76 | { | ||
77 | SDL_SetError("Not enough resources to create thread"); | ||
78 | return(-1); | ||
79 | } | ||
80 | return(0); | ||
81 | } | ||
82 | |||
83 | void SDL_SYS_SetupThread(void) | ||
84 | { | ||
85 | return; | ||
86 | } | ||
87 | |||
88 | DECLSPEC Uint32 SDLCALL SDL_ThreadID(void) | ||
89 | { | ||
90 | PTIB tib; | ||
91 | DosGetInfoBlocks(&tib, NULL); | ||
92 | return((Uint32) (tib->tib_ptib2->tib2_ultid)); | ||
93 | } | ||
94 | |||
95 | void SDL_SYS_WaitThread(SDL_Thread *thread) | ||
96 | { | ||
97 | TID tid = thread->handle; | ||
98 | DosWaitThread(&tid, DCWW_WAIT); | ||
99 | } | ||
100 | |||
101 | /* WARNING: This function is really a last resort. | ||
102 | * Threads should be signaled and then exit by themselves. | ||
103 | * TerminateThread() doesn't perform stack and DLL cleanup. | ||
104 | */ | ||
105 | void SDL_SYS_KillThread(SDL_Thread *thread) | ||
106 | { | ||
107 | DosKillThread(thread->handle); | ||
108 | } | ||