| _lock.h (164246) | _lock.h (174629) |
|---|---|
| 1/*- 2 * Copyright (c) 1997 Berkeley Software Design, Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. --- 11 unchanged lines hidden (view full) --- 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 * | 1/*- 2 * Copyright (c) 1997 Berkeley Software Design, Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. --- 11 unchanged lines hidden (view full) --- 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 * |
| 28 * $FreeBSD: head/sys/sys/_lock.h 164246 2006-11-13 05:41:46Z kmacy $ | 28 * $FreeBSD: head/sys/sys/_lock.h 174629 2007-12-15 23:13:31Z jeff $ |
| 29 */ 30 31#ifndef _SYS__LOCK_H_ 32#define _SYS__LOCK_H_ 33 | 29 */ 30 31#ifndef _SYS__LOCK_H_ 32#define _SYS__LOCK_H_ 33 |
| 34struct lock_profile_object { 35 /* 36 * This does not result in variant structure sizes because 37 * MUTEX_PROFILING is in opt_global.h 38 */ 39 u_int64_t lpo_acqtime; 40 u_int64_t lpo_waittime; 41 const char *lpo_filename; 42 u_int lpo_namehash; 43 int lpo_lineno; 44 const char *lpo_type; 45 /* 46 * Fields relating to measuring contention on mutexes. 47 * holding must be accessed atomically since it's 48 * modified by threads that don't yet hold the mutex. 49 * locking is only modified and referenced while 50 * the mutex is held. 51 */ 52 u_int lpo_contest_holding; 53 u_int lpo_contest_locking; 54}; 55 | |
| 56struct lock_object { 57 const char *lo_name; /* Individual lock name. */ 58 const char *lo_type; /* General lock type. */ 59 u_int lo_flags; | 34struct lock_object { 35 const char *lo_name; /* Individual lock name. */ 36 const char *lo_type; /* General lock type. */ 37 u_int lo_flags; |
| 60#ifdef LOCK_PROFILING 61 struct lock_profile_object lo_profile_obj; 62#endif | |
| 63 union { /* Data for witness. */ 64 STAILQ_ENTRY(lock_object) lod_list; 65 struct witness *lod_witness; 66 } lo_witness_data; 67}; 68 69#endif /* !_SYS__LOCK_H_ */ | 38 union { /* Data for witness. */ 39 STAILQ_ENTRY(lock_object) lod_list; 40 struct witness *lod_witness; 41 } lo_witness_data; 42}; 43 44#endif /* !_SYS__LOCK_H_ */ |