blob: cc5e145eac1f35da71f6cff5c687677a96f6f9fe (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
|
#include <stdio.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/wait.h>
int main(void)
{
pid_t pid;
int i;
for (i = 0; i < 10; i++) {
pid = fork();
if (pid == -1) {
printf("fork() failed\n");
return 0;
} else if (pid == 0) {
printf("child: pid=%d\n", getpid());
sleep(10);
printf("child: exiting pid=%d\n", getpid());
return 0;
} else {
printf("parent: created child %d\n", pid);
}
}
/* if we don't clean up the children, they are zombies */
#if 0
while (wait(&i) != -1)
/* NOP */;
#endif
/* if we don't clean up the children and the main process terminates
* init becomes parent of the childs
*/
#if 0
while (1)
sleep(100);
#endif
return 0;
}
|