PTRACE_VFORK
mask |= PTRACE_VFORK;
mask |= PTRACE_VFORK;
mask |= PTRACE_VFORK; /* XXX: Close enough? */
if (p->p_ptevents & PTRACE_VFORK)
PTRACE_FORK | PTRACE_LWP | PTRACE_VFORK)) != 0) {
events |= PTRACE_VFORK;
events |= PTRACE_FORK | PTRACE_VFORK;