Commit | Line | Data |
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01d700ab JB |
1 | #include <unistd.h> |
2 | #include <signal.h> | |
3 | #include <wait.h> | |
4 | #include <stdio.h> | |
5 | #include <stdlib.h> | |
6 | ||
7 | void sigintP() | |
8 | { | |
84f86bf0 JB |
9 | printf("pid=%d\n", getpid()); |
10 | signal(SIGINT, sigintP); | |
01d700ab JB |
11 | } |
12 | ||
13 | void sigalrm() | |
14 | { | |
84f86bf0 | 15 | exit(1); |
01d700ab JB |
16 | } |
17 | ||
18 | void sigintF() | |
19 | { | |
84f86bf0 JB |
20 | signal(SIGINT, SIG_IGN); |
21 | signal(SIGALRM, sigalrm); | |
22 | alarm(5); | |
01d700ab JB |
23 | } |
24 | ||
25 | void sigchld() | |
26 | { | |
27 | int status; | |
28 | wait(&status); | |
29 | exit(0); | |
30 | } | |
31 | ||
32 | int main(void) | |
33 | { | |
34 | signal(SIGCHLD, sigchld); | |
35 | if (fork() == 0) { | |
36 | signal(SIGINT, sigintF); | |
37 | while (1) { | |
38 | printf("ici fils \n"); | |
39 | sleep(1); | |
40 | } | |
41 | } | |
42 | while (1) { | |
43 | signal(SIGINT, sigintP); | |
44 | printf("ici pere \n"); | |
45 | sleep(1); | |
46 | } | |
47 | return 0; | |
48 | } |