/* Hook functions which are necessary for correct tracking. */
+#if defined(HAVE_VFORK) && defined(HAVE_FORK)
pid_t vfork(void) {
/* vfork() is similar to fork() but the address space is shared between
* father and child. It's designed for fork()/exec() usage because it's
* most systems use copy-on-write anyway not a performance issue. */
return fork();
}
+#endif