| fasttrap.c (277914) | fasttrap.c (277915) |
|---|---|
| 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 --- 6 unchanged lines hidden (view full) --- 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 * | 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 --- 6 unchanged lines hidden (view full) --- 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 277914 2015-01-30 04:51:59Z markj $ | 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/* --- 1259 unchanged lines hidden (view full) --- 1291 /* 1292 * We won't be able to acquire a /proc-esque lock on the process 1293 * iff the process is dead and gone. In this case, we rely on the 1294 * provider lock as a point of mutual exclusion to prevent other 1295 * DTrace consumers from disabling this probe. 1296 */ 1297 if ((p = pfind(probe->ftp_pid)) != NULL) { 1298#ifdef __FreeBSD__ | 24 */ 25 26/* 27 * Copyright 2008 Sun Microsystems, Inc. All rights reserved. 28 * Use is subject to license terms. 29 */ 30 31/* --- 1259 unchanged lines hidden (view full) --- 1291 /* 1292 * We won't be able to acquire a /proc-esque lock on the process 1293 * iff the process is dead and gone. In this case, we rely on the 1294 * provider lock as a point of mutual exclusion to prevent other 1295 * DTrace consumers from disabling this probe. 1296 */ 1297 if ((p = pfind(probe->ftp_pid)) != NULL) { 1298#ifdef __FreeBSD__ |
| 1299 _PHOLD(p); 1300 PROC_UNLOCK(p); | 1299 if (p->p_flag & P_WEXIT) { 1300 PROC_UNLOCK(p); 1301 p = NULL; 1302 } else { 1303 _PHOLD(p); 1304 PROC_UNLOCK(p); 1305 } |
| 1301#endif 1302 } 1303 1304 /* 1305 * Disable all the associated tracepoints (for fully enabled probes). 1306 */ 1307 if (probe->ftp_enabled) { 1308 for (i = 0; i < probe->ftp_ntps; i++) { --- 1420 unchanged lines hidden --- | 1306#endif 1307 } 1308 1309 /* 1310 * Disable all the associated tracepoints (for fully enabled probes). 1311 */ 1312 if (probe->ftp_enabled) { 1313 for (i = 0; i < probe->ftp_ntps; i++) { --- 1420 unchanged lines hidden --- |