text: //-----------------------------------------------------------------------------
  // Project     : VST SDK
  //
  // Category    : Examples
  // Filename    : public.sdk/source/common/threadchecker_linux.cpp
  // Created by  : Steinberg, 01/2019
  // Description : linux thread checker
  //
  //-----------------------------------------------------------------------------
  // LICENSE
  // (c) 2020, Steinberg Media Technologies GmbH, All Rights Reserved
  //-----------------------------------------------------------------------------
  // Redistribution and use in source and binary forms, with or without modification,
  // are permitted provided that the following conditions are met:
  // 
  //   * Redistributions of source code must retain the above copyright notice, 
  //     this list of conditions and the following disclaimer.
  //   * Redistributions in binary form must reproduce the above copyright notice,
  //     this list of conditions and the following disclaimer in the documentation 
  //     and/or other materials provided with the distribution.
  //   * Neither the name of the Steinberg Media Technologies nor the names of its
  //     contributors may be used to endorse or promote products derived from this 
  //     software without specific prior written permission.
  // 
  // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
  // ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 
  // WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 
  // IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, 
  // INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 
  // BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 
  // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 
  // LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE 
  // OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
  // OF THE POSSIBILITY OF SUCH DAMAGE.
  //-----------------------------------------------------------------------------
  
  #include "threadchecker.h"
  
  #if SMTG_OS_LINUX
  
  #include <cstdio> 
  #include <pthread.h>
  
  //------------------------------------------------------------------------
  namespace Steinberg {
  namespace Vst {
  
  //------------------------------------------------------------------------
  class LinuxThreadChecker : public ThreadChecker
  {
  public:
  	bool test (const char* failmessage = nullptr, bool exit = false) override
  	{
  		if (threadID == pthread_self ())
  			return true;
  		if (failmessage)
  			fprintf (stderr, "%s", failmessage);
  		if (exit)
  			std::terminate ();
  		return false;
  	}
  
  	pthread_t threadID {pthread_self ()};
  };
  
  //------------------------------------------------------------------------
  std::unique_ptr<ThreadChecker> ThreadChecker::create ()
  {
  	return std::unique_ptr<ThreadChecker> (new LinuxThreadChecker);
  }
  
  //------------------------------------------------------------------------
  } // Vst
  } // Steinberg
  
  #endif
  
  