/*

SDL - Simple DirectMedia Layer

Copyright (C) 1997-2006 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

*/

/* BeOS thread management routines for SDL */

#include "SDL_mutex.h"

#include "SDL_thread.h"

#include "SDL_thread_c.h"

#include "SDL_systhread.h"

#include "mydebug.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 __saveds RunThread(char *args __asm("a0") )

#endif

{

#ifdef STORMC4_WOS

thread_args *data=(thread_args *)args;

#else

thread_args *data=(thread_args *)atol(args);

#endif

struct Task *Father;

D(bug("Received data: %lx\n",data));

Father=data->wait;

SDL_RunThread(data);

Signal(Father,SIGBREAKF_CTRL_F);

D(bug("Thread with data %lx ended\n",data));

return(0);

}

#else

#include <emul/emulinterface.h>

Uint32 RunTheThread(void)

{

thread_args *data=(thread_args *)atol((char *)REG_A0);

struct Task *Father;

D(bug("Received data: %lx\n",data));

Father=data->wait;

SDL_RunThread(data);

Signal(Father,SIGBREAKF_CTRL_F);

D(bug("Thread with data %lx ended\n",data));

return(0);

}

struct EmulLibEntry RunThreadStruct=

{

TRAP_LIB,

0,

(ULONG)RunTheThread

};

void *RunThread=&RunThreadStruct;

#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)

SDL_snprintf(buffer, SDL_arraysize(buffer),"%ld",args);

#ifdef STORMC4_WOS

thread->handle=CreateTaskPPCTags(TASKATTR_CODE, RunThread,

TASKATTR_NAME, "SDL subtask",

TASKATTR_STACKSIZE, 100000,

(args ? TASKATTR_R3 : TAG_IGNORE), args,

TASKATTR_INHERITR2, TRUE,

TAG_DONE);

#else

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);

#endif

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);

}