| mutex.h (225736) | mutex.h (230799) |
|---|---|
| 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. --- 12 unchanged lines hidden (view full) --- 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 * from BSDI $Id: mutex.h,v 2.7.2.35 2000/04/27 03:10:26 cp Exp $ | 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. --- 12 unchanged lines hidden (view full) --- 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 * from BSDI $Id: mutex.h,v 2.7.2.35 2000/04/27 03:10:26 cp Exp $ |
| 29 * $FreeBSD: stable/9/sys/sys/mutex.h 218673 2011-02-14 02:37:27Z alc $ | 29 * $FreeBSD: stable/9/sys/sys/mutex.h 230799 2012-01-31 01:45:20Z attilio $ |
| 30 */ 31 32#ifndef _SYS_MUTEX_H_ 33#define _SYS_MUTEX_H_ 34 35#include <sys/queue.h> 36#include <sys/_lock.h> 37#include <sys/_mutex.h> --- 38 unchanged lines hidden (view full) --- 76 77/* 78 * Prototypes 79 * 80 * NOTE: Functions prepended with `_' (underscore) are exported to other parts 81 * of the kernel via macros, thus allowing us to use the cpp LOCK_FILE 82 * and LOCK_LINE. These functions should not be called directly by any 83 * code using the API. Their macros cover their functionality. | 30 */ 31 32#ifndef _SYS_MUTEX_H_ 33#define _SYS_MUTEX_H_ 34 35#include <sys/queue.h> 36#include <sys/_lock.h> 37#include <sys/_mutex.h> --- 38 unchanged lines hidden (view full) --- 76 77/* 78 * Prototypes 79 * 80 * NOTE: Functions prepended with `_' (underscore) are exported to other parts 81 * of the kernel via macros, thus allowing us to use the cpp LOCK_FILE 82 * and LOCK_LINE. These functions should not be called directly by any 83 * code using the API. Their macros cover their functionality. |
| 84 * Functions with a `_' suffix are the entrypoint for the common 85 * KPI covering both compat shims and fast path case. These can be 86 * used by consumers willing to pass options, file and line 87 * informations, in an option-independent way. |
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| 84 * 85 * [See below for descriptions] 86 * 87 */ 88void mtx_init(struct mtx *m, const char *name, const char *type, int opts); 89void mtx_destroy(struct mtx *m); 90void mtx_sysinit(void *arg); 91void mutex_init(void); --- 12 unchanged lines hidden (view full) --- 104 int line); 105void _mtx_unlock_spin_flags(struct mtx *m, int opts, const char *file, 106 int line); 107#if defined(INVARIANTS) || defined(INVARIANT_SUPPORT) 108void _mtx_assert(struct mtx *m, int what, const char *file, int line); 109#endif 110void _thread_lock_flags(struct thread *, int, const char *, int); 111 | 88 * 89 * [See below for descriptions] 90 * 91 */ 92void mtx_init(struct mtx *m, const char *name, const char *type, int opts); 93void mtx_destroy(struct mtx *m); 94void mtx_sysinit(void *arg); 95void mutex_init(void); --- 12 unchanged lines hidden (view full) --- 108 int line); 109void _mtx_unlock_spin_flags(struct mtx *m, int opts, const char *file, 110 int line); 111#if defined(INVARIANTS) || defined(INVARIANT_SUPPORT) 112void _mtx_assert(struct mtx *m, int what, const char *file, int line); 113#endif 114void _thread_lock_flags(struct thread *, int, const char *, int); 115 |
| 116#define mtx_trylock_flags_(m, opts, file, line) \ 117 _mtx_trylock((m), (opts), (file), (line)) 118 119#define thread_lock_flags_(tdp, opts, file, line) \ 120 _thread_lock_flags((tdp), (opts), (file), (line)) |
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| 112#define thread_lock(tdp) \ 113 _thread_lock_flags((tdp), 0, __FILE__, __LINE__) 114#define thread_lock_flags(tdp, opt) \ 115 _thread_lock_flags((tdp), (opt), __FILE__, __LINE__) 116#define thread_unlock(tdp) \ 117 mtx_unlock_spin((tdp)->td_lock) 118 119#define mtx_recurse lock_object.lo_data --- 165 unchanged lines hidden (view full) --- 285 */ 286extern struct mtx_pool *mtxpool_lockbuilder; 287extern struct mtx_pool *mtxpool_sleep; 288 289#ifndef LOCK_DEBUG 290#error LOCK_DEBUG not defined, include <sys/lock.h> before <sys/mutex.h> 291#endif 292#if LOCK_DEBUG > 0 || defined(MUTEX_NOINLINE) | 121#define thread_lock(tdp) \ 122 _thread_lock_flags((tdp), 0, __FILE__, __LINE__) 123#define thread_lock_flags(tdp, opt) \ 124 _thread_lock_flags((tdp), (opt), __FILE__, __LINE__) 125#define thread_unlock(tdp) \ 126 mtx_unlock_spin((tdp)->td_lock) 127 128#define mtx_recurse lock_object.lo_data --- 165 unchanged lines hidden (view full) --- 294 */ 295extern struct mtx_pool *mtxpool_lockbuilder; 296extern struct mtx_pool *mtxpool_sleep; 297 298#ifndef LOCK_DEBUG 299#error LOCK_DEBUG not defined, include <sys/lock.h> before <sys/mutex.h> 300#endif 301#if LOCK_DEBUG > 0 || defined(MUTEX_NOINLINE) |
| 293#define mtx_lock_flags(m, opts) \ 294 _mtx_lock_flags((m), (opts), LOCK_FILE, LOCK_LINE) 295#define mtx_unlock_flags(m, opts) \ 296 _mtx_unlock_flags((m), (opts), LOCK_FILE, LOCK_LINE) 297#define mtx_lock_spin_flags(m, opts) \ 298 _mtx_lock_spin_flags((m), (opts), LOCK_FILE, LOCK_LINE) 299#define mtx_unlock_spin_flags(m, opts) \ 300 _mtx_unlock_spin_flags((m), (opts), LOCK_FILE, LOCK_LINE) | 302#define mtx_lock_flags_(m, opts, file, line) \ 303 _mtx_lock_flags((m), (opts), (file), (line)) 304#define mtx_unlock_flags_(m, opts, file, line) \ 305 _mtx_unlock_flags((m), (opts), (file), (line)) 306#define mtx_lock_spin_flags_(m, opts, file, line) \ 307 _mtx_lock_spin_flags((m), (opts), (file), (line)) 308#define mtx_unlock_spin_flags_(m, opts, file, line) \ 309 _mtx_unlock_spin_flags((m), (opts), (file), (line)) |
| 301#else /* LOCK_DEBUG == 0 && !MUTEX_NOINLINE */ | 310#else /* LOCK_DEBUG == 0 && !MUTEX_NOINLINE */ |
| 311#define mtx_lock_flags_(m, opts, file, line) \ 312 __mtx_lock((m), curthread, (opts), (file), (line)) 313#define mtx_unlock_flags_(m, opts, file, line) \ 314 __mtx_unlock((m), curthread, (opts), (file), (line)) 315#define mtx_lock_spin_flags_(m, opts, file, line) \ 316 __mtx_lock_spin((m), curthread, (opts), (file), (line)) 317#define mtx_unlock_spin_flags_(m, opts, file, line) \ 318 __mtx_unlock_spin((m)) 319#endif /* LOCK_DEBUG > 0 || MUTEX_NOINLINE */ 320 321#ifdef INVARIANTS 322#define mtx_assert_(m, what, file, line) \ 323 _mtx_assert((m), (what), (file), (line)) 324 325#define GIANT_REQUIRED mtx_assert_(&Giant, MA_OWNED, __FILE__, __LINE__) 326 327#else /* INVARIANTS */ 328#define mtx_assert_(m, what, file, line) (void)0 329#define GIANT_REQUIRED 330#endif /* INVARIANTS */ 331 |
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| 302#define mtx_lock_flags(m, opts) \ | 332#define mtx_lock_flags(m, opts) \ |
| 303 __mtx_lock((m), curthread, (opts), LOCK_FILE, LOCK_LINE) | 333 mtx_lock_flags_((m), (opts), LOCK_FILE, LOCK_LINE) |
| 304#define mtx_unlock_flags(m, opts) \ | 334#define mtx_unlock_flags(m, opts) \ |
| 305 __mtx_unlock((m), curthread, (opts), LOCK_FILE, LOCK_LINE) | 335 mtx_unlock_flags_((m), (opts), LOCK_FILE, LOCK_LINE) |
| 306#define mtx_lock_spin_flags(m, opts) \ | 336#define mtx_lock_spin_flags(m, opts) \ |
| 307 __mtx_lock_spin((m), curthread, (opts), LOCK_FILE, LOCK_LINE) | 337 mtx_lock_spin_flags_((m), (opts), LOCK_FILE, LOCK_LINE) |
| 308#define mtx_unlock_spin_flags(m, opts) \ | 338#define mtx_unlock_spin_flags(m, opts) \ |
| 309 __mtx_unlock_spin((m)) 310#endif /* LOCK_DEBUG > 0 || MUTEX_NOINLINE */ 311 | 339 mtx_unlock_spin_flags_((m), (opts), LOCK_FILE, LOCK_LINE) |
| 312#define mtx_trylock_flags(m, opts) \ | 340#define mtx_trylock_flags(m, opts) \ |
| 313 _mtx_trylock((m), (opts), LOCK_FILE, LOCK_LINE) | 341 mtx_trylock_flags_((m), (opts), LOCK_FILE, LOCK_LINE) 342#define mtx_assert(m, what) \ 343 mtx_assert_((m), (what), __FILE__, __LINE__) |
| 314 315#define mtx_sleep(chan, mtx, pri, wmesg, timo) \ 316 _sleep((chan), &(mtx)->lock_object, (pri), (wmesg), (timo)) 317 318#define mtx_initialized(m) lock_initalized(&(m)->lock_object) 319 320#define mtx_owned(m) (((m)->mtx_lock & ~MTX_FLAGMASK) == (uintptr_t)curthread) 321 --- 71 unchanged lines hidden (view full) --- 393 */ 394#if defined(INVARIANTS) || defined(INVARIANT_SUPPORT) 395#define MA_OWNED LA_XLOCKED 396#define MA_NOTOWNED LA_UNLOCKED 397#define MA_RECURSED LA_RECURSED 398#define MA_NOTRECURSED LA_NOTRECURSED 399#endif 400 | 344 345#define mtx_sleep(chan, mtx, pri, wmesg, timo) \ 346 _sleep((chan), &(mtx)->lock_object, (pri), (wmesg), (timo)) 347 348#define mtx_initialized(m) lock_initalized(&(m)->lock_object) 349 350#define mtx_owned(m) (((m)->mtx_lock & ~MTX_FLAGMASK) == (uintptr_t)curthread) 351 --- 71 unchanged lines hidden (view full) --- 423 */ 424#if defined(INVARIANTS) || defined(INVARIANT_SUPPORT) 425#define MA_OWNED LA_XLOCKED 426#define MA_NOTOWNED LA_UNLOCKED 427#define MA_RECURSED LA_RECURSED 428#define MA_NOTRECURSED LA_NOTRECURSED 429#endif 430 |
| 401#ifdef INVARIANTS 402#define mtx_assert(m, what) \ 403 _mtx_assert((m), (what), __FILE__, __LINE__) 404 405#define GIANT_REQUIRED mtx_assert(&Giant, MA_OWNED) 406 407#else /* INVARIANTS */ 408#define mtx_assert(m, what) (void)0 409#define GIANT_REQUIRED 410#endif /* INVARIANTS */ 411 | |
| 412/* 413 * Common lock type names. 414 */ 415#define MTX_NETWORK_LOCK "network driver" 416 417#endif /* _KERNEL */ 418#endif /* _SYS_MUTEX_H_ */ | 431/* 432 * Common lock type names. 433 */ 434#define MTX_NETWORK_LOCK "network driver" 435 436#endif /* _KERNEL */ 437#endif /* _SYS_MUTEX_H_ */ |