code. compile. run. debug. share.
#include<stdio.h>
#include<signal.h>
#include<string.h>
#include<unistd.h>
int f;
void sig_han(int signo, siginfo_t *obj, void *p)
{
printf("the sighandler :%d \n",signo);
sleep(5);
f=1;
printf("the sighandler returned\n");
}
int main()
{
struct sigaction act;
sigset_t sigmask;
int r;
printf("pid : %u\n", getpid());
r = sigemptyset(&sigmask);
printf("%d\n",r);
r = sigaddset(&sigmask,4);
printf("%d\n",r);
r = sigaddset(&sigmask,3);
printf("%d\n",r);
memset(&act,0,sizeof(act));
act.sa_sigaction = sig_han;
act.sa_mask = sigmask;
if(sigaction(SIGINT,&act,NULL) == -1)
perror("sigaction");
printf("test\n");
for(;;) {
if(f == 1)
break;
}
return 0;
}
Compiling Program...
Standard Input:
Interactive Console
Text
Program is not being debugged. Click "Debug" button to start program in debug mode.
| # | Function | File:Line |
|---|
| Variable | Value |
|---|
| Register | Value |
|---|
| Expression | Value |
|---|
| # | Description |
|---|