1/* 2 * Copyright (c) 1994, Sean Eric Fagan 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 14 unchanged lines hidden (view full) --- 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 * |
31 * $FreeBSD: head/sys/kern/sys_process.c 91140 2002-02-23 11:12:57Z tanimura $ |
32 */ 33 34#include <sys/param.h> 35#include <sys/systm.h> 36#include <sys/lock.h> 37#include <sys/mutex.h> 38#include <sys/sysproto.h> 39#include <sys/proc.h> --- 470 unchanged lines hidden (view full) --- 510 511 if (uap->req == PT_DETACH) { 512 /* reset process parent */ 513 sx_xlock(&proctree_lock); 514 if (p->p_oppid != p->p_pptr->p_pid) { 515 struct proc *pp; 516 517 pp = pfind(p->p_oppid); |
518 if (pp == NULL) |
519 pp = initproc; |
520 else 521 PROC_UNLOCK(pp); |
522 PROC_LOCK(p); 523 proc_reparent(p, pp); 524 } else 525 PROC_LOCK(p); 526 p->p_flag &= ~(P_TRACED | P_WAITED); 527 p->p_oppid = 0; 528 PROC_UNLOCK(p); 529 sx_xunlock(&proctree_lock); --- 155 unchanged lines hidden --- |