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// ---------------------------------------------------------------------------80
//                ICQ plugin for Miranda Instant Messenger
//                ________________________________________
// 
// Copyright © 2000,2001 Richard Hughes, Roland Rabien, Tristan Van de Vreede
// Copyright © 2001,2002 Jon Keating, Richard Hughes
// Copyright © 2002,2003,2004 Martin Öberg, Sam Kothari, Robert Rainwater
// Copyright © 2004,2005 Joe Kucera
// 
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License
// as published by the Free Software Foundation; either version 2
// of the License, or (at your option) any later version.
// 
// This program 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 General Public License for more details.
// 
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
//
// -----------------------------------------------------------------------------
//
// File name      : $Source: /cvsroot/miranda/miranda/protocols/IcqOscarJ/forkthread.c,v $
// Revision       : $Revision: 2874 $
// Last change on : $Date: 2006-05-16 23:38:00 +0200 (Tue, 16 May 2006) $
// Last change by : $Author: ghazan $
//
// DESCRIPTION:
//
//  Miranda Friendly thread wrapper
//
// -----------------------------------------------------------------------------

#include "icqoscar.h"



struct FORK_ARG {
  HANDLE hEvent;
  void (__cdecl *threadcode)(void*);
  unsigned (__stdcall *threadcodeex)(void*);
  void *arg;
};


void __cdecl forkthread_r(struct FORK_ARG *fa)
{
  void (*callercode)(void*) = fa->threadcode;
  void *arg = fa->arg;

  CallService(MS_SYSTEM_THREAD_PUSH,0,0);
  SetEvent(fa->hEvent);

  callercode(arg);

  CallService(MS_SYSTEM_THREAD_POP,0,0);

  return;
}


unsigned long forkthread(void (__cdecl *threadcode)(void*), unsigned long stacksize, void *arg)
{
  unsigned long rc;
  struct FORK_ARG fa;

  fa.hEvent = CreateEvent(NULL,FALSE,FALSE,NULL);
  fa.threadcode = threadcode;
  fa.arg = arg;

  rc = _beginthread(forkthread_r, stacksize, &fa);

  if ((unsigned long)-1L != rc)
  {
    WaitForSingleObject(fa.hEvent, INFINITE);
  } 
  CloseHandle(fa.hEvent);

  return rc;
}


unsigned long __stdcall forkthreadex_r(struct FORK_ARG *fa)
{
  unsigned (__stdcall * threadcode) (void *) = fa->threadcodeex;
  void *arg = fa->arg;
  unsigned long rc;
  
  CallService(MS_SYSTEM_THREAD_PUSH,0,0);
  SetEvent(fa->hEvent);

  rc = threadcode(arg);

  CallService(MS_SYSTEM_THREAD_POP,0,0);

  return rc;
}


unsigned long forkthreadex(void *sec, unsigned stacksize, unsigned (__stdcall *threadcode)(void*),
 void *arg, unsigned cf, unsigned *thraddr)
{
  unsigned long rc;
  struct FORK_ARG fa;

  fa.threadcodeex = threadcode;
  fa.arg = arg;
  fa.hEvent = CreateEvent(NULL,FALSE,FALSE,NULL);

  rc = _beginthreadex(sec,stacksize,forkthreadex_r,&fa,0,thraddr);
  if (rc) 
  {
    WaitForSingleObject(fa.hEvent,INFINITE);
  } 
  CloseHandle(fa.hEvent);

  return rc;
}