4 static struct atfork_funcs {
8 struct atfork_funcs *prev, *next;
13 static void fork_handler(int who)
15 struct atfork_funcs *p;
18 for (p=funcs; p; p = p->next) {
19 if (p->prepare) p->prepare();
23 for (p=funcs; p; p = p->prev) {
24 if (!who && p->parent) p->parent();
25 else if (who && p->child) p->child();
32 int pthread_atfork(void (*prepare)(void), void (*parent)(void), void (*child)(void))
34 struct atfork_funcs *new = malloc(sizeof *new);
38 libc.fork_handler = fork_handler;
41 new->prepare = prepare;
44 if (funcs) funcs->prev = new;