#ifndef AUTO_SCRIPTE#define AUTO_SCRIPTE#include <stdio.h>#include <stdlib.h>#include <errno.h>#include <sys/types.h>#include <sys/stat.h>#include <fcntl.h>#include <sys/poll.h>#include <errno.h>#include <signal.h>#include <sys/time.h>#include <sys/types.h>#include <unistd.h>#define DEV_PATH		"/dev/test"#define POLLFD_NUM		8int test_fd = -1;unsigned long count = 0;void signal_handler( int sig ){	switch( sig )	{		case SIGINT:			ioctl( test_fd, 0x7F, &count );			count = ( ++count % 4 );			if( count == 3 )				exit( 0 );			break;		default:			break;	}}void do_run( int fd ){	struct pollfd pollfdset[ POLLFD_NUM ]; 	int result;	fd_set rfds;	while( 1 )	{#if 0		FD_ZERO( &rfds );		FD_SET( fd, &rfds );		result = select( fd + 1, &rfds, NULL, NULL, NULL );		if( 0 > result )		{			printf( "select error: %s\n", strerror( errno ) );		}		else if( 0 == result )		{			printf( "selecttimeout\n" );		}		else		{			if( FD_ISSET( fd, &rfds ) )			{				printf( "select fd\n" );			}		}#endif		#if 1		//memset( pollfdset, 0, sizeof( pollfdset ) );#if 1		pollfdset[0].fd = 0;		pollfdset[0].events = POLLIN;		pollfdset[0].revents = 0;#endif		#if 0		pollfdset[2].fd = 1;		pollfdset[2].events = POLLIN;		pollfdset[2].revents = 0;#endif		pollfdset[1].fd = fd;		pollfdset[1].events = POLLIN | 0x02 | 0x04 | 0x08;		pollfdset[1].revents = 0;		result = poll( pollfdset, 2, 1000 * 1000 );		if( 0 > result )		{			printf( "poll error: %s\n", strerror( errno ) );		}		else if( 0 == result )		{			printf( "poll timeout\n" );		}		else 		{			printf( "result: %d\n", result );			if( 0x01 & pollfdset[ 0 ].revents )				printf( "0x01 poll\n" );			if( 0x02 & pollfdset[ 0 ].revents )				printf( "0x02 poll\n" );			if( 0x04 & pollfdset[ 0 ].revents )				printf( "0x04 poll\n" );			if( 0x08 & pollfdset[ 0 ].revents )				printf( "0x08 poll\n" );		}#endif	}}int main( int argc, char *argv[] ){	//signal( SIGINT, signal_handler );	test_fd = open( DEV_PATH, O_RDWR );	if( 0 > test_fd )	{		fprintf( stderr, "Open %s failed: %s\n", DEV_PATH, strerror( errno ) );		return -1;	}	do_run( test_fd );	close( test_fd );	return 0;}#endif /*#ifdef AUTO_SCRIPTE*/