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116 lines
3.2 KiB
116 lines
3.2 KiB
/*=========================================================================
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Program: Visualization Toolkit
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Module: $RCSfile: vtkThreadMessager.cxx,v $
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Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
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All rights reserved.
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See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
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This software is distributed WITHOUT ANY WARRANTY; without even
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the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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PURPOSE. See the above copyright notice for more information.
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=========================================================================*/
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#include "vtkThreadMessager.h"
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#include "vtkObjectFactory.h"
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#ifdef VTK_USE_WIN32_THREADS
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# include "vtkWindows.h"
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#endif
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vtkCxxRevisionMacro(vtkThreadMessager, "$Revision: 1.3.12.1 $");
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vtkStandardNewMacro(vtkThreadMessager);
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vtkThreadMessager::vtkThreadMessager()
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{
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#ifdef VTK_USE_WIN32_THREADS
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this->WSignal = CreateEvent(0, FALSE, FALSE, 0);
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#elif defined(VTK_USE_PTHREADS) || defined(VTK_HP_PTHREADS)
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pthread_cond_init(&this->PSignal, 0);
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pthread_mutex_init(&this->Mutex, 0);
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pthread_mutex_lock(&this->Mutex);
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#endif
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}
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vtkThreadMessager::~vtkThreadMessager()
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{
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#ifdef VTK_USE_WIN32_THREADS
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CloseHandle(this->WSignal);
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#elif defined(VTK_USE_PTHREADS) || defined(VTK_HP_PTHREADS)
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pthread_mutex_unlock(&this->Mutex);
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pthread_mutex_destroy(&this->Mutex);
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pthread_cond_destroy(&this->PSignal);
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#endif
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}
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void vtkThreadMessager::WaitForMessage()
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{
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#ifdef VTK_USE_WIN32_THREADS
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WaitForSingleObject( this->WSignal, INFINITE );
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#elif defined(VTK_USE_PTHREADS) || defined(VTK_HP_PTHREADS)
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pthread_cond_wait(&this->PSignal, &this->Mutex);
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#endif
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}
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//----------------------------------------------------------------------------
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void vtkThreadMessager::SendWakeMessage()
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{
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#ifdef VTK_USE_WIN32_THREADS
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SetEvent( this->WSignal );
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#elif defined(VTK_USE_PTHREADS) || defined(VTK_HP_PTHREADS)
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pthread_cond_broadcast(&this->PSignal);
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#endif
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}
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void vtkThreadMessager::EnableWaitForReceiver()
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{
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#if defined(VTK_USE_PTHREADS) || defined(VTK_HP_PTHREADS)
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pthread_mutex_lock(&this->Mutex);
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#endif
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}
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void vtkThreadMessager::WaitForReceiver()
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{
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#if defined(VTK_USE_PTHREADS) || defined(VTK_HP_PTHREADS)
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pthread_mutex_lock(&this->Mutex);
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#endif
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}
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void vtkThreadMessager::DisableWaitForReceiver()
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{
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#if defined(VTK_USE_PTHREADS) || defined(VTK_HP_PTHREADS)
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pthread_mutex_unlock(&this->Mutex);
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#endif
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}
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void vtkThreadMessager::PrintSelf(ostream& os, vtkIndent indent)
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{
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this->Superclass::PrintSelf(os,indent);
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}
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//----------------------------------------------------------------------------
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#ifndef VTK_LEGACY_REMOVE
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# ifdef VTK_WORKAROUND_WINDOWS_MANGLE
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# undef SendMessage
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void vtkThreadMessager::SendMessageA()
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{
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VTK_LEGACY_REPLACED_BODY(vtkThreadMessager::SendMessage, "VTK 5.0",
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vtkThreadMessager::SendWakeMessage);
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this->SendWakeMessage();
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}
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void vtkThreadMessager::SendMessageW()
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{
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VTK_LEGACY_REPLACED_BODY(vtkThreadMessager::SendMessage, "VTK 5.0",
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vtkThreadMessager::SendWakeMessage);
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this->SendWakeMessage();
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}
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# endif
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void vtkThreadMessager::SendMessage()
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{
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VTK_LEGACY_REPLACED_BODY(vtkThreadMessager::SendMessage, "VTK 5.0",
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vtkThreadMessager::SendWakeMessage);
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this->SendWakeMessage();
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}
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#endif
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