step2.cpp

mini http server,可以集成嵌入到程序中,实现简单的web功能

/*
 * Step2: Initialize the platform, create a mutex. Lock and unlock
 * the mutex. Wait for thread to terminate. Delete both objects and
 * exit.
 */

#include <stdlib.h>
#include <iostream.h>
#include <string.h>

#include "PiAPI.h"
#include "TestOS.h"

/* --- 
Thread function
--- */
unsigned long thread_fn( unsigned long ulData )
{
	PIThread *pThread = PIThread_getCurrent();
	cout << "This is thread #" << (int)PIThread_getSystemHandle( pThread )
		<< " with data " << ulData 
		<< endl;
	return 0;
}

/* ---
The main function
--- */
int iRet;
void Step2()
{
	PISync *pSync = 0;
	PIThread *pThread = 0;

	cout << "Program running on " << PIPlatform_getDescription() << endl;

	if ( !( pSync = PIPlatform_allocLocalMutex() ) )
		{
		cout << "Unable to allocate mutex" << endl;
		FAILED(1);
		goto done;
		};

	if ( PISync_lock( pSync ) ) { FAILED(7); return; };
	cout << "Got mutex lock" << endl;

	if ( PISync_unlock( pSync ) ) { FAILED(6); return; };
	cout << "Released mutex lock" << endl;

	pThread = PIThread_new( 0, 0 );
	if ( !pThread )
		{
		cout << "Unable to allocate thread object" << endl;
		FAILED(2);
		goto done;
		};

	if ( PIThread_begin( pThread, thread_fn, 0, PITHREAD_PRIORITY_MED, 0 ))
		{
		cout << "Unable to begin thread" << endl;
		FAILED(8);
		goto done;
		};

	if ( PIThread_waitForThread( pThread ) ) { FAILED(5); };

	if ( pThread )
		{
		if ( PIThread_delete( pThread ) ) { FAILED(3); };
		};

	if ( pSync )
		{
		if ( PISync_delete( pSync ) ) { FAILED(4); };
		};

done:
	OK;
	iRet = 0;
}

/* ---
Main function
--- */
int main()
{
	if ( PIPlatform_enter( "dummy", PIPLATFORM_VERSION_1_0, Step2 ) )
		{
		cout << "Platform_enter() failed." << endl;
		exit( 1 );
		};

	return iRet;
}