// ------------------------------- //
// -------- Start of File -------- //
// ------------------------------- //
// ----------------------------------------------------------- //
// C++ Source Code File Name: testprog.cpp
// Compiler Used: MSVC, BCC32, GCC, HPUX aCC, SOLARIS CC
// Produced By: glNET Software
// File Creation Date: 03/25/2000
// Date Last Modified: 05/25/2001
// Copyright (c) 2001 glNET Software
// ----------------------------------------------------------- //
// ------------- 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
Test program demonstrating how to create thread-specific data.
*/
// ----------------------------------------------------------- //
#include <iostream.h>
#include "gxthread.h"
#ifdef __MSVC_DEBUG__
#include "leaktest.h"
#endif
// Constants
const int NUM_THREADS = 2;
// Thread specific data used in this process
struct threadSpecific_data_t
{
threadSpecific_data_t(int i, int j) {
threadSpecific1 = i; threadSpecific2 = j;
}
int threadSpecific1;
int threadSpecific2;
};
// Thread key
gxThreadKey threadSpecificKey;
class SimpleThread : public gxThread
{
public:
SimpleThread () { oid = 1; }
private: // Base class interface
void *ThreadEntryRoutine(gxThread_t *thread);
void ThreadExitRoutine(gxThread_t *thread);
private: // Functions that use the threadSpecific data
void foo(gxThread_t *thread);
void bar(gxThread_t *thread);
private:
gxThreadObjectID oid;
};
void *SimpleThread::ThreadEntryRoutine(gxThread_t *thread)
// Thread's entry function
{
thread->SetObjectID(oid++);
cout << "Entering thread: " << thread->GetObjectID() << endl;
threadSpecific_data_t *gData = \
(threadSpecific_data_t *)thread->GetThreadParm();
if(ThreadSetSpecific(threadSpecificKey, gData) != 0) {
cout << "Thread local storage error" << endl;
return ExitThread(thread, 1);
}
foo(thread);
return 0;
}
void SimpleThread::foo(gxThread_t *thread)
{
threadSpecific_data_t *gData = \
(threadSpecific_data_t *)ThreadGetSpecific(threadSpecificKey);
cout << "Thread: " << thread->GetObjectID() << " entering foo(), ";
cout << "threadSpecific data = " << gData->threadSpecific1 << ' '
<< gData->threadSpecific2
<< endl;
bar(thread);
}
void SimpleThread::bar(gxThread_t *thread)
{
threadSpecific_data_t *gData = \
(threadSpecific_data_t *)ThreadGetSpecific(threadSpecificKey);
cout << "Thread: " << thread->GetObjectID() << " entering bar(), ";
cout << "threadSpecific data = " << gData->threadSpecific1 << ' '
<< gData->threadSpecific2
<< endl;
}
void SimpleThread::ThreadExitRoutine(gxThread_t *thread)
{
cout << "Thread: " << thread->GetObjectID() << " exiting" << endl;
void *parm = thread->GetThreadParm();
// Free the local storage resources
delete parm;
}
int main()
{
#ifdef __MSVC_DEBUG__
InitLeakTest();
#endif
SimpleThread t;
gxThread_t *thread[NUM_THREADS];
if(t.ThreadKeyCreate(threadSpecificKey) != 0) {
cout << "Thread local storage error!" << endl;
cout << "Could not obtain and index." << endl;
return 1;
}
cout << "Creating " << NUM_THREADS << " threads" << endl;
int i;
for(i = 0; i < NUM_THREADS; i++) {
// Create per-thread threadSpecific data and pass it to the thread
threadSpecific_data_t *gData = new threadSpecific_data_t(i, ((i+1)*2));
thread[i] = t.CreateThread((void *)gData);
t.sSleep(1); // Allow the thread to print their messages in order
}
cout << "Wait for the threads to complete, and release their resources"
<< endl;
for(i = 0; i < NUM_THREADS; i++) t.JoinThread(thread[i]);
// Release the index
t.ThreadKeyDelete(threadSpecificKey);
// Prevent memory leaks
for(i = 0; i < NUM_THREADS; i++) delete thread[i];
return 0;
}
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