code. compile. run. debug. share.
#include<stdio.h>
#include<stdlib.h>
#include<unistd.h>
#include<sys/types.h>
#include<sys/wait.h>
int children;
void cleanup(int signo)
{
printf("cleanup child resource\n");
wait(&children);
}
int main()
{
struct sigaction act;
pid_t cpid;
cpid = fork();
if(cpid == 0){
printf("Child pid %d\n", getpid());
exit(1);
//sleep(1);
}
else{
act.sa_flags = SA_NOCLDSTOP;
act.sa_handler = cleanup;
if(sigaction(SIGCHLD,&act,NULL) == -1);
perror("sigaction");
printf("Parent pid %d\n", getpid());
while(1) {
printf("child exit status = %d \n",WEXITSTATUS(children));
sleep(1);
}
}
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 |
|---|