/*+
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    SDL - Simple DirectMedia Layer+
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    Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002  Sam Lantinga+
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+
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    This library is free software; you can redistribute it and/or+
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    modify it under the terms of the GNU Library General Public+
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    License as published by the Free Software Foundation; either+
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    version 2 of the License, or (at your option) any later version.+
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+
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    This library is distributed in the hope that it will be useful,+
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    but WITHOUT ANY WARRANTY; without even the implied warranty of+
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    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU+
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    Library General Public License for more details.+
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+
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    You should have received a copy of the GNU Library General Public+
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    License along with this library; if not, write to the Free+
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    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA+
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+
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    Sam Lantinga+
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    slouken@libsdl.org+
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*/+
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+
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/*+
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    SDL_systhread.cpp+
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    Epoc thread management routines for SDL+
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+
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    Epoc version by Markus Mertama  (w@iki.fi)+
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*/+
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+
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+
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extern "C" {+
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#undef NULL+
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#include "SDL_error.h"+
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#include "SDL_thread.h"+
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#include "../SDL_systhread.h"+
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    };+
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+
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#include <e32std.h>+
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+
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+
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static int object_count;+
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+
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int RunThread(TAny* data)+
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{+
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	SDL_RunThread(data);+
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	return(0);+
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}+
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+
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+
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TInt NewThread(const TDesC& aName, TAny* aPtr1, TAny* aPtr2)+
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    {+
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    return ((RThread*)(aPtr1))->Create(aName,+
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            RunThread,+
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            KDefaultStackSize,+
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            NULL,+
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            aPtr2);+
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    }+
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+
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int CreateUnique(TInt (*aFunc)(const TDesC& aName, TAny*, TAny*), TAny* aPtr1, TAny* aPtr2)+
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    {+
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    TBuf<16> name;+
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    TInt status = KErrNone;+
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    do+
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        {+
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        object_count++;+
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        name.Format(_L("SDL_%x"), object_count);+
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        status = aFunc(name, aPtr1, aPtr2);+
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        }+
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        while(status == KErrAlreadyExists);+
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    return status;+
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    }+
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+
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+
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int SDL_SYS_CreateThread(SDL_Thread *thread, void *args)+
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{+
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    RThread rthread;+
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   +
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    TInt status = CreateUnique(NewThread, &rthread, args);+
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    if (status != KErrNone) +
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    {+
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        delete(((RThread*)(thread->handle)));+
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        thread->handle = NULL;+
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		SDL_SetError("Not enough resources to create thread");+
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		return(-1);+
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	}+
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	rthread.Resume();+
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    thread->handle = rthread.Handle();+
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	return(0);+
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}+
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+
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void SDL_SYS_SetupThread(void)+
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{+
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	return;+
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}+
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+
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Uint32 SDL_ThreadID(void)+
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{+
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    RThread current;+
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    TThreadId id = current.Id();+
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	return id;+
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}+
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+
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void SDL_SYS_WaitThread(SDL_Thread *thread)+
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{+
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    RUndertaker taker;+
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    taker.Create();+
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    TRequestStatus status;+
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    taker.Logon(status, thread->handle);+
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    User::WaitForRequest(status);+
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    taker.Close();+
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}+
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+
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/* WARNING: This function is really a last resort.+
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 * Threads should be signaled and then exit by themselves.+
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 * TerminateThread() doesn't perform stack and DLL cleanup.+
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 */+
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void SDL_SYS_KillThread(SDL_Thread *thread)+
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{+
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    RThread rthread;+
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    rthread.SetHandle(thread->handle);+
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	rthread.Kill(0);+
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	rthread.Close();+
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}+
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