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The Android Open Source Project1dc9e472009-03-03 19:28:35 -08001/****************************************************************************
2 ****************************************************************************
3 ***
4 *** This header was automatically generated from a Linux kernel header
5 *** of the same name, to make information necessary for userspace to
6 *** call into the kernel available to libc. It contains only constants,
7 *** structures, and macros generated from the original header, and thus,
8 *** contains no copyrightable information.
9 ***
Ben Cheng654325d2012-03-07 21:13:49 -080010 *** To edit the content of this header, modify the corresponding
11 *** source file (e.g. under external/kernel-headers/original/) then
12 *** run bionic/libc/kernel/tools/update_all.py
13 ***
14 *** Any manual change here will be lost the next time this script will
15 *** be run. You've been warned!
16 ***
The Android Open Source Project1dc9e472009-03-03 19:28:35 -080017 ****************************************************************************
18 ****************************************************************************/
19#ifndef __LINUX_SPINLOCK_H
20#define __LINUX_SPINLOCK_H
The Android Open Source Project1dc9e472009-03-03 19:28:35 -080021#include <linux/preempt.h>
22#include <linux/linkage.h>
Ben Cheng654325d2012-03-07 21:13:49 -080023/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
The Android Open Source Project1dc9e472009-03-03 19:28:35 -080024#include <linux/compiler.h>
25#include <linux/thread_info.h>
26#include <linux/kernel.h>
27#include <linux/stringify.h>
Ben Cheng654325d2012-03-07 21:13:49 -080028/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
The Android Open Source Project1dc9e472009-03-03 19:28:35 -080029#include <asm/system.h>
The Android Open Source Project1dc9e472009-03-03 19:28:35 -080030#define LOCK_SECTION_NAME ".text.lock."KBUILD_BASENAME
The Android Open Source Project1dc9e472009-03-03 19:28:35 -080031#define LOCK_SECTION_START(extra) ".subsection 1\n\t" extra ".ifndef " LOCK_SECTION_NAME "\n\t" LOCK_SECTION_NAME ":\n\t" ".endif\n"
The Android Open Source Project1dc9e472009-03-03 19:28:35 -080032#define LOCK_SECTION_END ".previous\n\t"
Ben Cheng654325d2012-03-07 21:13:49 -080033/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
The Android Open Source Project1dc9e472009-03-03 19:28:35 -080034#define __lockfunc fastcall __attribute__((section(".spinlock.text")))
The Android Open Source Project1dc9e472009-03-03 19:28:35 -080035#include <linux/spinlock_types.h>
The Android Open Source Project1dc9e472009-03-03 19:28:35 -080036#include <linux/spinlock_up.h>
The Android Open Source Project1dc9e472009-03-03 19:28:35 -080037#define spin_lock_init(lock) do { *(lock) = SPIN_LOCK_UNLOCKED; } while (0)
Ben Cheng654325d2012-03-07 21:13:49 -080038/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
The Android Open Source Project1dc9e472009-03-03 19:28:35 -080039#define rwlock_init(lock) do { *(lock) = RW_LOCK_UNLOCKED; } while (0)
The Android Open Source Project1dc9e472009-03-03 19:28:35 -080040#define spin_is_locked(lock) __raw_spin_is_locked(&(lock)->raw_lock)
The Android Open Source Project1dc9e472009-03-03 19:28:35 -080041#define spin_unlock_wait(lock) __raw_spin_unlock_wait(&(lock)->raw_lock)
The Android Open Source Project1dc9e472009-03-03 19:28:35 -080042#include <linux/spinlock_api_up.h>
Ben Cheng654325d2012-03-07 21:13:49 -080043/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
The Android Open Source Project1dc9e472009-03-03 19:28:35 -080044#define _raw_spin_lock(lock) __raw_spin_lock(&(lock)->raw_lock)
45#define _raw_spin_lock_flags(lock, flags) __raw_spin_lock_flags(&(lock)->raw_lock, *(flags))
46#define _raw_spin_trylock(lock) __raw_spin_trylock(&(lock)->raw_lock)
47#define _raw_spin_unlock(lock) __raw_spin_unlock(&(lock)->raw_lock)
Ben Cheng654325d2012-03-07 21:13:49 -080048/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
The Android Open Source Project1dc9e472009-03-03 19:28:35 -080049#define _raw_read_lock(rwlock) __raw_read_lock(&(rwlock)->raw_lock)
50#define _raw_read_trylock(rwlock) __raw_read_trylock(&(rwlock)->raw_lock)
51#define _raw_read_unlock(rwlock) __raw_read_unlock(&(rwlock)->raw_lock)
52#define _raw_write_lock(rwlock) __raw_write_lock(&(rwlock)->raw_lock)
Ben Cheng654325d2012-03-07 21:13:49 -080053/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
The Android Open Source Project1dc9e472009-03-03 19:28:35 -080054#define _raw_write_trylock(rwlock) __raw_write_trylock(&(rwlock)->raw_lock)
55#define _raw_write_unlock(rwlock) __raw_write_unlock(&(rwlock)->raw_lock)
The Android Open Source Project1dc9e472009-03-03 19:28:35 -080056#define read_can_lock(rwlock) __raw_read_can_lock(&(rwlock)->raw_lock)
57#define write_can_lock(rwlock) __raw_write_can_lock(&(rwlock)->raw_lock)
Ben Cheng654325d2012-03-07 21:13:49 -080058/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
The Android Open Source Project1dc9e472009-03-03 19:28:35 -080059#define spin_trylock(lock) __cond_lock(_spin_trylock(lock))
60#define read_trylock(lock) __cond_lock(_read_trylock(lock))
61#define write_trylock(lock) __cond_lock(_write_trylock(lock))
The Android Open Source Project1dc9e472009-03-03 19:28:35 -080062#define spin_lock(lock) _spin_lock(lock)
Ben Cheng654325d2012-03-07 21:13:49 -080063/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
The Android Open Source Project1dc9e472009-03-03 19:28:35 -080064#define spin_lock_nested(lock, subclass) _spin_lock(lock)
The Android Open Source Project1dc9e472009-03-03 19:28:35 -080065#define write_lock(lock) _write_lock(lock)
66#define read_lock(lock) _read_lock(lock)
The Android Open Source Project1dc9e472009-03-03 19:28:35 -080067#define spin_lock_irqsave(lock, flags) _spin_lock_irqsave(lock, flags)
Ben Cheng654325d2012-03-07 21:13:49 -080068/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
The Android Open Source Project1dc9e472009-03-03 19:28:35 -080069#define read_lock_irqsave(lock, flags) _read_lock_irqsave(lock, flags)
70#define write_lock_irqsave(lock, flags) _write_lock_irqsave(lock, flags)
The Android Open Source Project1dc9e472009-03-03 19:28:35 -080071#define spin_lock_irq(lock) _spin_lock_irq(lock)
72#define spin_lock_bh(lock) _spin_lock_bh(lock)
Ben Cheng654325d2012-03-07 21:13:49 -080073/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
The Android Open Source Project1dc9e472009-03-03 19:28:35 -080074#define read_lock_irq(lock) _read_lock_irq(lock)
75#define read_lock_bh(lock) _read_lock_bh(lock)
The Android Open Source Project1dc9e472009-03-03 19:28:35 -080076#define write_lock_irq(lock) _write_lock_irq(lock)
77#define write_lock_bh(lock) _write_lock_bh(lock)
Ben Cheng654325d2012-03-07 21:13:49 -080078/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
The Android Open Source Project1dc9e472009-03-03 19:28:35 -080079#define spin_unlock(lock) _spin_unlock(lock)
80#define read_unlock(lock) _read_unlock(lock)
81#define write_unlock(lock) _write_unlock(lock)
82#define spin_unlock_irq(lock) _spin_unlock_irq(lock)
Ben Cheng654325d2012-03-07 21:13:49 -080083/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
The Android Open Source Project1dc9e472009-03-03 19:28:35 -080084#define read_unlock_irq(lock) _read_unlock_irq(lock)
85#define write_unlock_irq(lock) _write_unlock_irq(lock)
The Android Open Source Project1dc9e472009-03-03 19:28:35 -080086#define spin_unlock_irqrestore(lock, flags) _spin_unlock_irqrestore(lock, flags)
87#define spin_unlock_bh(lock) _spin_unlock_bh(lock)
Ben Cheng654325d2012-03-07 21:13:49 -080088/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
The Android Open Source Project1dc9e472009-03-03 19:28:35 -080089#define read_unlock_irqrestore(lock, flags) _read_unlock_irqrestore(lock, flags)
90#define read_unlock_bh(lock) _read_unlock_bh(lock)
The Android Open Source Project1dc9e472009-03-03 19:28:35 -080091#define write_unlock_irqrestore(lock, flags) _write_unlock_irqrestore(lock, flags)
92#define write_unlock_bh(lock) _write_unlock_bh(lock)
Ben Cheng654325d2012-03-07 21:13:49 -080093/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
The Android Open Source Project1dc9e472009-03-03 19:28:35 -080094#define spin_trylock_bh(lock) __cond_lock(_spin_trylock_bh(lock))
The Android Open Source Project1dc9e472009-03-03 19:28:35 -080095#define spin_trylock_irq(lock) ({ local_irq_disable(); _spin_trylock(lock) ? 1 : ({ local_irq_enable(); 0; }); })
The Android Open Source Project1dc9e472009-03-03 19:28:35 -080096#define spin_trylock_irqsave(lock, flags) ({ local_irq_save(flags); _spin_trylock(lock) ? 1 : ({ local_irq_restore(flags); 0; }); })
The Android Open Source Project1dc9e472009-03-03 19:28:35 -080097#include <asm/atomic.h>
Ben Cheng654325d2012-03-07 21:13:49 -080098/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
The Android Open Source Project1dc9e472009-03-03 19:28:35 -080099#define atomic_dec_and_lock(atomic, lock) __cond_lock(_atomic_dec_and_lock(atomic, lock))
The Android Open Source Project1dc9e472009-03-03 19:28:35 -0800100#define spin_can_lock(lock) (!spin_is_locked(lock))
The Android Open Source Project1dc9e472009-03-03 19:28:35 -0800101#endif