code. compile. run. debug. share.
#include<stdio.h>
#include <sys/types.h>
#include<unistd.h>
#include<stdlib.h>
int main()
{
int a = 10;
pid_t pid;
pid = vfork();
switch(pid) {
case -1:
perror("vfork");
exit(1);
case 0:
printf("child message %d\n",getpid());
a = 20;
printf("the a value:%d\n",a);
exit(1);
default:
printf("parent message %d\n",getpid());
printf("the a value:%d\n",a);
break;
}
return 0;
}
Compiling Program...
Standard Input:
Interactive Console
Text
Program is not being debugged. Click "Debug" button to start program in debug mode.
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