23 lines
355 B
C++
23 lines
355 B
C++
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <unistd.h>
|
|
|
|
#define ERROR(msg) { perror(msg); return 1; }
|
|
#define BUF_SIZE 1024
|
|
|
|
int main()
|
|
{
|
|
printf("userspace\n");
|
|
|
|
if (fork() == 0)
|
|
{
|
|
execl("/usr/bin/cat", "/usr/bin/cat", "/usr/include/kernel/kprint.h", NULL);
|
|
ERROR("execl");
|
|
return 0;
|
|
}
|
|
|
|
printf("parent\n");
|
|
return 0;
|
|
}
|