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author | Steve Kondik <shade@chemlab.org> | 2012-11-18 15:47:18 -0800 |
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committer | Steve Kondik <shade@chemlab.org> | 2012-11-18 15:47:18 -0800 |
commit | a546c7006355a7bd1df4267ee53d0bfa2c017c8c (patch) | |
tree | 01be0bf6c0d6968e1468ec9661fd52110f9b05a7 /distrib/sdl-1.2.15/src/thread/os2/SDL_systhread.c | |
parent | baf3d7830396202df5cc47bd7bcee109c319cdb3 (diff) | |
parent | 0f809250987b64f491bd3b4b73c0f0d33036a786 (diff) | |
download | external_qemu-a546c7006355a7bd1df4267ee53d0bfa2c017c8c.zip external_qemu-a546c7006355a7bd1df4267ee53d0bfa2c017c8c.tar.gz external_qemu-a546c7006355a7bd1df4267ee53d0bfa2c017c8c.tar.bz2 |
Merge branch 'jb-mr1-release' of https://android.googlesource.com/platform/external/qemu into mr1-staging
Change-Id: I8a4a71ac65b08e6e17f26c942f67a15b85211115
Diffstat (limited to 'distrib/sdl-1.2.15/src/thread/os2/SDL_systhread.c')
-rw-r--r-- | distrib/sdl-1.2.15/src/thread/os2/SDL_systhread.c | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/distrib/sdl-1.2.15/src/thread/os2/SDL_systhread.c b/distrib/sdl-1.2.15/src/thread/os2/SDL_systhread.c new file mode 100644 index 0000000..33f815a --- /dev/null +++ b/distrib/sdl-1.2.15/src/thread/os2/SDL_systhread.c @@ -0,0 +1,108 @@ +/* + SDL - Simple DirectMedia Layer + Copyright (C) 1997-2012 Sam Lantinga + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + This library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with this library; if not, write to the Free Software + Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + + Sam Lantinga + slouken@libsdl.org +*/ +#include "SDL_config.h" + +/* OS/2 thread management routines for SDL */ + +#include <process.h> +#define INCL_DOSERRORS +#define INCL_DOSPROCESS +#include <os2.h> + +#include "SDL_thread.h" +#include "../SDL_systhread.h" +#include "../SDL_thread_c.h" + +typedef struct ThreadStartParms +{ + void *args; + pfnSDL_CurrentEndThread pfnCurrentEndThread; +} tThreadStartParms, *pThreadStartParms; + +static void threadfunc(void *pparm) +{ + pThreadStartParms pThreadParms = pparm; + pfnSDL_CurrentEndThread pfnCurrentEndThread = NULL; + + // Call the thread function! + SDL_RunThread(pThreadParms->args); + + // Get the current endthread we have to use! + if (pThreadParms) + { + pfnCurrentEndThread = pThreadParms->pfnCurrentEndThread; + SDL_free(pThreadParms); + } + // Call endthread! + if (pfnCurrentEndThread) + (*pfnCurrentEndThread)(); +} + +int SDL_SYS_CreateThread(SDL_Thread *thread, void *args, pfnSDL_CurrentBeginThread pfnBeginThread, pfnSDL_CurrentEndThread pfnEndThread) +{ + pThreadStartParms pThreadParms = SDL_malloc(sizeof(tThreadStartParms)); + if (!pThreadParms) + { + SDL_SetError("Not enough memory to create thread"); + return(-1); + } + + // Save the function which we will have to call to clear the RTL of calling app! + pThreadParms->pfnCurrentEndThread = pfnEndThread; + // Also save the real parameters we have to pass to thread function + pThreadParms->args = args; + // Start the thread using the runtime library of calling app! + thread->threadid = thread->handle = (*pfnBeginThread)(threadfunc, NULL, 512*1024, pThreadParms); + if ((int)thread->threadid <= 0) + { + SDL_SetError("Not enough resources to create thread"); + return(-1); + } + return(0); +} + +void SDL_SYS_SetupThread(void) +{ + return; +} + +DECLSPEC Uint32 SDLCALL SDL_ThreadID(void) +{ + PTIB tib; + DosGetInfoBlocks(&tib, NULL); + return((Uint32) (tib->tib_ptib2->tib2_ultid)); +} + +void SDL_SYS_WaitThread(SDL_Thread *thread) +{ + TID tid = thread->handle; + DosWaitThread(&tid, DCWW_WAIT); +} + +/* WARNING: This function is really a last resort. + * Threads should be signaled and then exit by themselves. + * TerminateThread() doesn't perform stack and DLL cleanup. + */ +void SDL_SYS_KillThread(SDL_Thread *thread) +{ + DosKillThread(thread->handle); +} |