#include <fcntl.h>
#include <unistd.h>
#include <stdio.h>

#include <signal.h>

#include <pthread.h>

void signal_handler(int signum){
	pthread_exit(NULL);
}

void *readFile(void * ptr){
	signal(SIGTERM, signal_handler);
	int fd;
	char buffer;
	fd = open("/dev/ttyS1", O_RDONLY);
	while(true){
		read(fd, &buffer, 1);
		printf("%c", buffer);
		fflush(stdout);
	}

	close(fd);
	pthread_exit(NULL);

}

int main(int argc, char** argv){
	pthread_t thread;

	pthread_create(&thread, NULL, &readFile, NULL);

	sleep(10);
		
	pthread_kill(thread, SIGTERM);
	pthread_join(thread, NULL);

}