root/juggler/tags/1.0.7/Threads/vjThreadFunctor.cpp

/*************** <auto-copyright.pl BEGIN do not edit this line> **************
 *
 * VR Juggler is (C) Copyright 1998, 1999, 2000, 2001, 2002
 *   by Iowa State University
 *
 * Original Authors:
 *   Allen Bierbaum, Christopher Just,
 *   Patrick Hartling, Kevin Meinert,
 *   Carolina Cruz-Neira, Albert Baker
 *
 * 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.
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 * 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 Software Foundation, Inc., 59 Temple Place - Suite 330,
 * Boston, MA 02111-1307, USA.
 *
 * -----------------------------------------------------------------
 * File:          $RCSfile$
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//:

#include <vjConfig.h>
#include <Threads/vjThreadFunctor.h>
#include <Threads/vjThreadManager.h>


//--------------------------------------------
// This is the actual function that is called.
//--------------------------------------------
#if defined(VJ_IRIX_SPROC)      /* ---- Using IRIX Sproc ------ */
    void
    ThreadFunctorFunction (void* args) {
        vjBaseThreadFunctor& func = *(vjBaseThreadFunctor*)args;
        func(); // Call the functor's operator ()
    }
#elif defined(VJ_OS_Win32)      /* ----- Using Win32 ---- */
    unsigned int __stdcall
    ThreadFunctorFunction (void* args) {
         vjBaseThreadFunctor& func = *(vjBaseThreadFunctor*)args;
         func();
         return 0;
    }
#elif defined(VJ_USE_PTHREADS)
#   ifdef _PTHREADS_DRAFT_4
        void
#   else
        void*
#   endif
        ThreadFunctorFunction (void* args) {
            vjThreadManager* vj_tm_inst;
            vjBaseThreadFunctor& func = *((vjBaseThreadFunctor*) args);

            // Wait until this thread has been registered with the thread
            // manager before continuing execution.
            vj_tm_inst = vjThreadManager::instance();
            vj_tm_inst->lock();
            vj_tm_inst->unlock();

            func();

#   ifdef _PTHREADS_DRAFT_10
            return (void*) NULL;
#   endif
        }

#else
    void
    ThreadFunctorFunction (void* args) {
        vjBaseThreadFunctor& func = *(vjBaseThreadFunctor*)args;
        func();
    }
#endif  /* VJ_IRIX_SPROC */