| kern_sx.c (167163) | kern_sx.c (167365) |
|---|---|
| 1/*- 2 * Copyright (C) 2001 Jason Evans <jasone@freebsd.org>. 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(s), this list of conditions and the following disclaimer as --- 20 unchanged lines hidden (view full) --- 29 * Shared/exclusive locks. This implementation assures deterministic lock 30 * granting behavior, so that slocks and xlocks are interleaved. 31 * 32 * Priority propagation will not generally raise the priority of lock holders, 33 * so should not be relied upon in combination with sx locks. 34 */ 35 36#include <sys/cdefs.h> | 1/*- 2 * Copyright (C) 2001 Jason Evans <jasone@freebsd.org>. 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(s), this list of conditions and the following disclaimer as --- 20 unchanged lines hidden (view full) --- 29 * Shared/exclusive locks. This implementation assures deterministic lock 30 * granting behavior, so that slocks and xlocks are interleaved. 31 * 32 * Priority propagation will not generally raise the priority of lock holders, 33 * so should not be relied upon in combination with sx locks. 34 */ 35 36#include <sys/cdefs.h> |
| 37__FBSDID("$FreeBSD: head/sys/kern/kern_sx.c 167163 2007-03-02 07:21:20Z kmacy $"); | 37__FBSDID("$FreeBSD: head/sys/kern/kern_sx.c 167365 2007-03-09 16:04:44Z jhb $"); |
| 38 39#include "opt_ddb.h" 40 41#include <sys/param.h> 42#include <sys/systm.h> 43#include <sys/ktr.h> 44#include <sys/linker_set.h> 45#include <sys/condvar.h> --- 5 unchanged lines hidden (view full) --- 51 52#ifdef DDB 53#include <ddb/ddb.h> 54 55static void db_show_sx(struct lock_object *lock); 56#endif 57 58struct lock_class lock_class_sx = { | 38 39#include "opt_ddb.h" 40 41#include <sys/param.h> 42#include <sys/systm.h> 43#include <sys/ktr.h> 44#include <sys/linker_set.h> 45#include <sys/condvar.h> --- 5 unchanged lines hidden (view full) --- 51 52#ifdef DDB 53#include <ddb/ddb.h> 54 55static void db_show_sx(struct lock_object *lock); 56#endif 57 58struct lock_class lock_class_sx = { |
| 59 "sx", 60 LC_SLEEPLOCK | LC_SLEEPABLE | LC_RECURSABLE | LC_UPGRADABLE, | 59 .lc_name = "sx", 60 .lc_flags = LC_SLEEPLOCK | LC_SLEEPABLE | LC_RECURSABLE | LC_UPGRADABLE, |
| 61#ifdef DDB | 61#ifdef DDB |
| 62 db_show_sx | 62 .lc_ddb_show = db_show_sx, |
| 63#endif 64}; 65 66#ifndef INVARIANTS 67#define _sx_assert(sx, what, file, line) 68#endif 69 70void --- 397 unchanged lines hidden --- | 63#endif 64}; 65 66#ifndef INVARIANTS 67#define _sx_assert(sx, what, file, line) 68#endif 69 70void --- 397 unchanged lines hidden --- |