xsys.cpp

这是和p2p相关的一份源码

// ------------------------------------------------
// File : lsys.cpp
// Date: 4-apr-2002
// Author: giles
// Desc: 
//		XSys derives from Sys to provide basic Linux functions such as starting threads.
//
// (c) 2002 peercast.org
// ------------------------------------------------


#include <time.h>
#include <pthread.h>
#include <signal.h>
#include <stdlib.h>
#include "xsys.h"
#include "xsocket.h"
#include "stats.h"

// ---------------------------------
XSys::XSys()
{
	stats.clear();

	rndGen.setSeed(getTime());

	rndSeed = rnd();

}
// ---------------------------------
unsigned int XSys::getTime()
{
	time_t ltime;
	time( &ltime );
	return ltime;
}

// ---------------------------------
ClientSocket *XSys::createSocket()
{
    return new XClientSocket();
}
               
typedef void *(*THREAD_PTR)(void *);

static void * thread_entry( void *param )
{
    signal( SIGPIPE, SIG_IGN );

    pthread_sigmask( SIG_BLOCK, sigmask(SIGPIPE), NULL );

    ThreadInfo *info = (ThreadInfo *)param;

    return (void *)info->func( info );
}

// ---------------------------------
bool	XSys::startThread(ThreadInfo *info)
{
	info->active = true;
	pthread_t thread;
	pthread_attr_t attr;

	pthread_attr_init(&attr);
	pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);

	return pthread_create( &thread, &attr, &thread_entry, info ) == 0;
//	return pthread_create( &thread, &attr, (THREAD_PTR)info->func, info ) == 0;
}
// ---------------------------------
void	XSys::sleep(int ms)
{
	::usleep(ms*1000);
}

// ---------------------------------
void XSys::appMsg(long msg, long arg)
{
	//SendMessage(mainWindow,WM_USER,(WPARAM)msg,(LPARAM)arg);
}

// ---------------------------------
void XSys::getURL(const char *url)
{
}
// ---------------------------------
void XSys::exit()
{
	::exit(0);
}