seconds.cpp

一个封装的信号量类

#include <stdio.h>
#include <signal.h>
#include <sys/types.h>
#include <unistd.h>
int receivd_signal=0;
void catch_ctrl_c(int signo)
{
	printf("signo=%d\n",signo);
	receivd_signal=1;
}
void SetTimer(struct timeval t,void (*funt)())
{
	sigset_t newmask;
	struct sigaction action;
	action.sa_handler=funt;
	action.sa_flags=0;
	if(sigaction(SIGUSR1,&action,NULL)==-1)
		perror("can not SIGINT");
	for(int i=0;i<7;i++)
	{
		printf("%d\n",i);
		sleep(1);
		raise(SIGUSR1);
	}
}

main()
{

}