ThreadExitingExample

    // ------------------------------- //
    // -------- Start of File -------- //
    // ------------------------------- //
    // ----------------------------------------------------------- //
    // C++ Source Code File Name: testprog.cpp
    // Compiler Used: MSVC, BCC32, GCC, HPUX aCC, SOLARIS CC
    // Produced By: DataReel Software Development Team
    // File Creation Date: 03/25/2000
    // Date Last Modified: 06/17/2016
    // Copyright (c) 2001-2016 DataReel Software Development
    // ----------------------------------------------------------- //
    // ------------- Program Description and Details ------------- //
    // ----------------------------------------------------------- //
    /*
    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
    License as published by the Free Software Foundation; either
    version 2.1 of the License, or (at your option) any later version.

    This library 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
    Lesser General Public License for more details.

    You should have received a copy of the GNU Lesser 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

    Simple test program used to demonstrate how to exit from a
    thread without terminating the whole process.
    */
    // ----------------------------------------------------------- //
    #include "gxdlcode.h"

    #if defined (__USE_ANSI_CPP__) // Use the ANSI Standard C++ library
    #include <iostream>
    using namespace std; // Use unqualified names for Standard C++ library
    #else // Use the old iostream library by default
    #include <iostream.h>
    #endif // __USE_ANSI_CPP__

    #include "gxthread.h"

    #ifdef __MSVC_DEBUG__
    #include "leaktest.h"
    #endif

    // Constants
    const int THREADFAIL = 1;
    const int THREADPASS = 0;

    // Global variables
    int err_condition = 0;

    class SimpleThread : public gxThread
    {
    private: // Base class interface
      void *ThreadEntryRoutine(gxThread_t *thread);
    };

    void *SimpleThread::ThreadEntryRoutine(gxThread_t *thread)
    {
      cout << "Executing thread" << "\n" << flush;
      if(err_condition) {
        cout << "Reached error condition!" << "\n" << flush;
        ExitThread(thread, THREADFAIL);
      }

      cout << "Exiting the thread with no errors reported" << "\n" << flush;
      return ExitThread(thread, THREADPASS);
    }

    void CheckExitCode(gxThread_t *thread)
    {
      cout << "Checking the thread's status" << "\n" << flush;
      if(int(thread->GetThreadExitCode()) == THREADPASS)
        cout << "The thread passed" << "\n" << flush;
      else if(int(thread->GetThreadExitCode()) == THREADFAIL)
        cout << "The thread failed" << "\n" << flush;
      else
        cout << "Invalid thread exit code reported" << "\n" << flush;

      cout << "\n" << flush;
    }

    int main()
    {
    #ifdef __MSVC_DEBUG__
      InitLeakTest();
    #endif

      SimpleThread t;

      // Create and start a thread
      gxThread_t *thread = t.CreateThread();

      // Wait for the thread to complete, and release its resources
      t.JoinThread(thread);
      CheckExitCode(thread);
      delete thread;

      // Simulate and error condition
      err_condition = 1;
      thread = t.CreateThread();
      t.JoinThread(thread);
      CheckExitCode(thread);

      delete thread;
      return 0; // Exit the process
    }
    // ----------------------------------------------------------- //
    // ------------------------------- //
    // --------- End of File --------- //
    // ------------------------------- //