Linux开发-11 Singnal用法试验

#include <pthread.h>
#include <stdio.h>
#include <unistd.h>
#include <signal.h>
void message( void *ptr ); 
void sig_handler(int signum);
char *message1 = "thread1";
int main()
{
        pthread_t thread1;
        int ret_thrd1;
	void *retval;
	ret_thrd1 = pthread_create(&thread1, NULL, (void *)&message, (void *) message1);
	int tmp1 = pthread_join(thread1, &retval);
	printf("thread start");
	signal(SIGINT,sig_handler);
	pause();
	
}
void message( void *ptr ) {
	int i = 0;
	for(i=0;i<5;i++)
	{
		printf("%d,%s\n",i,(char*)ptr);
	}
}
void sig_handler(int signum)
{
    if(0 > signum)
    {
        fprintf(stderr,"sig_handler param err. [%d]\n",signum);
        return;
    }
    if(SIGINT == signum)
    {
        printf("Received signal [%s]\n",SIGINT==signum?"SIGINT":"Other");
    }
    if(SIGQUIT == signum)
    {
        printf("Received signal [%s]\n",SIGQUIT==signum?"SIGQUIT":"Other");
    }

    return;
}