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- /*
- SDL - Simple DirectMedia Layer
- Copyright (C) 1997, 1998, 1999, 2000 Sam Lantinga
-
- This library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Library General Public
- License as published by the Free Software Foundation; either
- version 2 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
- Library General Public License for more details.
-
- You should have received a copy of the GNU Library General Public
- License along with this library; if not, write to the Free
- Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-
- Sam Lantinga
- slouken@devolution.com
- */
-
- #ifdef SAVE_RCSID
- static char rcsid =
- "@(#) $Id: SDL_systhread.c,v 1.2.2.1 2000/03/16 15:20:38 hercules Exp $";
- #endif
-
- /* BeOS thread management routines for SDL */
-
- #include "SDL_error.h"
- #include "SDL_mutex.h"
- #include "SDL_thread.h"
- #include "SDL_thread_c.h"
- #include "SDL_systhread.h"
-
- typedef struct {
- int (*func)(void *);
- void *data;
- SDL_Thread *info;
- struct Task *wait;
- } thread_args;
-
- #ifndef MORPHOS
-
- #if defined(__SASC) && !defined(__PPC__)
- __saveds __asm Uint32 RunThread(register __a0 char *args )
- #elif defined(__PPC__)
- Uint32 RunThread(char *args)
- #else
- Uint32 RunThread(char *args __asm("a0") )
- #endif
- {
- thread_args *data=(thread_args *)atol(args);
- struct Task *Father;
-
- D(bug("Received data: %lx\n",data));
- Father=data->wait;
-
- SDL_RunThread(data);
-
- Signal(Father,SIGBREAKF_CTRL_F);
- return(0);
- }
-
- #else
-
- #include <emul/emulinterface.h>
-
- Uint32 RunTheThread(void)
- {
- thread_args *data=(thread_args *)atol(REG_A0);
- struct Task *Father;
-
- D(bug("Received data: %lx\n",data));
- Father=data->wait;
-
- SDL_RunThread(data);
-
- Signal(Father,SIGBREAKF_CTRL_F);
- return(0);
- }
-
- struct EmulLibEntry RunThread=
- {
- TRAP_LIB,
- 0,
- RunTheThread
- };
-
- #endif
-
-
- int SDL_SYS_CreateThread(SDL_Thread *thread, void *args)
- {
- /* Create the thread and go! */
- char buffer[20];
-
- D(bug("Sending %lx to the new thread...\n",args));
-
- if(args)
- sprintf(buffer,"%ld",args);
-
-
- thread->handle=(struct Task *)CreateNewProcTags(NP_Output,Output(),
- NP_Name,(ULONG)"SDL subtask",
- NP_CloseOutput, FALSE,
- NP_StackSize,20000,
- NP_Entry,(ULONG)RunThread,
- args ? NP_Arguments : TAG_IGNORE,(ULONG)buffer,
- TAG_DONE);
- if(!thread->handle)
- {
- SDL_SetError("Not enough resources to create thread");
- return(-1);
- }
-
- return(0);
- }
-
- void SDL_SYS_SetupThread(void)
- {
- }
-
- Uint32 SDL_ThreadID(void)
- {
- return((Uint32)FindTask(NULL));
- }
-
- void SDL_SYS_WaitThread(SDL_Thread *thread)
- {
- SetSignal(0L,SIGBREAKF_CTRL_F|SIGBREAKF_CTRL_C);
- Wait(SIGBREAKF_CTRL_F|SIGBREAKF_CTRL_C);
- }
-
- void SDL_SYS_KillThread(SDL_Thread *thread)
- {
- Signal((struct Task *)thread->handle,SIGBREAKF_CTRL_C);
- }
-