1/*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE

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15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 *
21 * Portions Copyright 2010 The FreeBSD Foundation
22 *
23 * $FreeBSD: head/sys/cddl/contrib/opensolaris/uts/common/dtrace/fasttrap.c 277915 2015-01-30 05:03:23Z markj $
24 */
25
26/*
27 * Copyright 2008 Sun Microsystems, Inc. All rights reserved.
28 * Use is subject to license terms.
29 */
30
31/*
32 * Copyright (c) 2013, Joyent, Inc. All rights reserved.
33 */
34
35#include <sys/atomic.h>
36#include <sys/errno.h>
37#include <sys/stat.h>
38#include <sys/modctl.h>
39#include <sys/conf.h>
40#include <sys/systm.h>

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1185#ifdef illumos
1186 if ((p = sprlock(probe->ftp_pid)) == NULL) {
1187 if ((curproc->p_flag & SFORKING) == 0)
1188 return;
1189
1190 mutex_enter(&pidlock);
1191 p = prfind(probe->ftp_pid);
1192
1193 /*
1194 * Confirm that curproc is indeed forking the process in which
1195 * we're trying to enable probes.
1196 */
1197 ASSERT(p != NULL);
1198 ASSERT(p->p_parent == curproc);
1199 ASSERT(p->p_stat == SIDL);
1200
1201 mutex_enter(&p->p_lock);
1202 mutex_exit(&pidlock);
1203
1204 sprlock_proc(p);
1205 }

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