ThreadMessageExample

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    // 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 demonstrating the gxThread status and error
    message functions for gxThread_t types.
    */
    // ----------------------------------------------------------- //
    #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 <stdlib.h>
    #include "gxthread.h"

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

    // Constants
    const int THREAD_EXIT_CODE = 15; // Arbitrary exit code value

    void PrintThreadStatus(gxThread_t *thread)
    {
      cout << "Thread OID: " << (int)thread->GetObjectID() << "\n" << flush;
      cout << "Thread CID: " << (int)thread->GetClassID() << "\n" << flush;
      cout << thread->ThreadExceptionMessage() << "\n" << flush;
      cout << thread->ThreadPriorityMessage() << "\n" << flush;
      cout << thread->ThreadStateMessage() << "\n" << flush;
      cout << thread->ThreadTypeMessage() << "\n" << flush;
      if(thread->GetStackSize() > (gxStackSizeType)0)
        cout << "Stack size: " << (int)thread->GetStackSize() << "\n" << flush;
      if(thread->GetThreadExitCode() == (gxThreadExitCode)THREAD_EXIT_CODE)
        cout << "Exit code: " << (int)thread->GetThreadExitCode() << "\n" << flush;
    }

    class SimpleThread : public gxThread
    {
    public:
      SimpleThread() { cid = 1500; oid = 0; }
      ~SimpleThread() { }

    private: // Base class interface
      void *ThreadEntryRoutine(gxThread_t *thread);
      void ThreadExitRoutine(gxThread_t *thread);

    private:
      gxThreadObjectID oid;
      gxThreadClassID cid;
    };

    void *SimpleThread::ThreadEntryRoutine(gxThread_t *thread)
    {
      thread->SetClassID(cid);
      thread->SetObjectID(oid++);
      PrintThreadStatus(thread);
      sSleep(1);
      return (void *)THREAD_EXIT_CODE;
    }

    void SimpleThread::ThreadExitRoutine(gxThread_t *thread)
    {
      cout << "\n" << flush;
      PrintThreadStatus(thread);
      cout << "\n" << flush;
    }

    // Main thread of execution
    int main()
    {
    #ifdef __MSVC_DEBUG__
      InitLeakTest();
    #endif

      SimpleThread t;

      const int NUM_THREADS = 10;
      gxThread_t *thread[NUM_THREADS];

      int i;
      for(i = 0; i < NUM_THREADS; i++) {
        thread[i] = t.CreateThread();

        // Check for any errors created during thread creation
        if(thread[i]->GetThreadError() != 0) {
          cout << thread[i]->ThreadExceptionMessage() << "\n" << flush;
        }

        t.sSleep(3);
      }

      // Wait for all the threads to finish before exiting
      for(i = 0; i < NUM_THREADS; i++) t.JoinThread(thread[i]);

      // Cleanup all the gxThread_t pointers
      for(i = 0; i < NUM_THREADS; i++) {
        int rv = t.DestroyThread(thread[i]);
        if(rv != 0) {
          cout << "Error destroying thread!" << "\n" << flush;
        }
      }

      return 0; // Exit the process
    }
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