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Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125/* SPDX-License-Identifier: GPL-2.0 */#ifndef _LINUX_LOCAL_LOCK_H#define _LINUX_LOCAL_LOCK_H
#include <linux/local_lock_internal.h>
/** * local_lock_init - Runtime initialize a lock instance * @lock: The lock variable */#define local_lock_init(lock) __local_lock_init(lock)
/** * local_lock - Acquire a per CPU local lock * @lock: The lock variable */#define local_lock(lock) __local_lock(__this_cpu_local_lock(lock))
/** * local_lock_irq - Acquire a per CPU local lock and disable interrupts * @lock: The lock variable */#define local_lock_irq(lock) __local_lock_irq(__this_cpu_local_lock(lock))
/** * local_lock_irqsave - Acquire a per CPU local lock, save and disable * interrupts * @lock: The lock variable * @flags: Storage for interrupt flags */#define local_lock_irqsave(lock, flags) \ __local_lock_irqsave(__this_cpu_local_lock(lock), flags)
/** * local_unlock - Release a per CPU local lock * @lock: The lock variable */#define local_unlock(lock) __local_unlock(__this_cpu_local_lock(lock))
/** * local_unlock_irq - Release a per CPU local lock and enable interrupts * @lock: The lock variable */#define local_unlock_irq(lock) __local_unlock_irq(__this_cpu_local_lock(lock))
/** * local_unlock_irqrestore - Release a per CPU local lock and restore * interrupt flags * @lock: The lock variable * @flags: Interrupt flags to restore */#define local_unlock_irqrestore(lock, flags) \ __local_unlock_irqrestore(__this_cpu_local_lock(lock), flags)
/** * local_trylock_init - Runtime initialize a lock instance * @lock: The lock variable */#define local_trylock_init(lock) __local_trylock_init(lock)
/** * local_trylock - Try to acquire a per CPU local lock * @lock: The lock variable * * The function can be used in any context such as NMI or HARDIRQ. Due to * locking constrains it will _always_ fail to acquire the lock in NMI or * HARDIRQ context on PREEMPT_RT. */#define local_trylock(lock) __local_trylock(__this_cpu_local_lock(lock))
#define local_lock_is_locked(lock) __local_lock_is_locked(lock)
/** * local_trylock_irqsave - Try to acquire a per CPU local lock, save and disable * interrupts if acquired * @lock: The lock variable * @flags: Storage for interrupt flags * * The function can be used in any context such as NMI or HARDIRQ. Due to * locking constrains it will _always_ fail to acquire the lock in NMI or * HARDIRQ context on PREEMPT_RT. */#define local_trylock_irqsave(lock, flags) \ __local_trylock_irqsave(__this_cpu_local_lock(lock), flags)
DEFINE_LOCK_GUARD_1(local_lock, local_lock_t __percpu, local_lock(_T->lock), local_unlock(_T->lock))DEFINE_LOCK_GUARD_1(local_lock_irq, local_lock_t __percpu, local_lock_irq(_T->lock), local_unlock_irq(_T->lock))DEFINE_LOCK_GUARD_1(local_lock_irqsave, local_lock_t __percpu, local_lock_irqsave(_T->lock, _T->flags), local_unlock_irqrestore(_T->lock, _T->flags), unsigned long flags)
#define local_lock_nested_bh(_lock) \ __local_lock_nested_bh(__this_cpu_local_lock(_lock))
#define local_unlock_nested_bh(_lock) \ __local_unlock_nested_bh(__this_cpu_local_lock(_lock))
DEFINE_LOCK_GUARD_1(local_lock_nested_bh, local_lock_t __percpu, local_lock_nested_bh(_T->lock), local_unlock_nested_bh(_T->lock))
DEFINE_LOCK_GUARD_1(local_lock_init, local_lock_t, local_lock_init(_T->lock), /* */)
DECLARE_LOCK_GUARD_1_ATTRS(local_lock, __acquires(_T), __releases(*(local_lock_t __percpu **)_T))#define class_local_lock_constructor(_T) WITH_LOCK_GUARD_1_ATTRS(local_lock, _T)DECLARE_LOCK_GUARD_1_ATTRS(local_lock_irq, __acquires(_T), __releases(*(local_lock_t __percpu **)_T))#define class_local_lock_irq_constructor(_T) WITH_LOCK_GUARD_1_ATTRS(local_lock_irq, _T)DECLARE_LOCK_GUARD_1_ATTRS(local_lock_irqsave, __acquires(_T), __releases(*(local_lock_t __percpu **)_T))#define class_local_lock_irqsave_constructor(_T) WITH_LOCK_GUARD_1_ATTRS(local_lock_irqsave, _T)DECLARE_LOCK_GUARD_1_ATTRS(local_lock_nested_bh, __acquires(_T), __releases(*(local_lock_t __percpu **)_T))#define class_local_lock_nested_bh_constructor(_T) WITH_LOCK_GUARD_1_ATTRS(local_lock_nested_bh, _T)DECLARE_LOCK_GUARD_1_ATTRS(local_lock_init, __acquires(_T), __releases(*(local_lock_t **)_T))#define class_local_lock_init_constructor(_T) WITH_LOCK_GUARD_1_ATTRS(local_lock_init, _T)
DEFINE_LOCK_GUARD_1(local_trylock_init, local_trylock_t, local_trylock_init(_T->lock), /* */)DECLARE_LOCK_GUARD_1_ATTRS(local_trylock_init, __acquires(_T), __releases(*(local_trylock_t **)_T))#define class_local_trylock_init_constructor(_T) WITH_LOCK_GUARD_1_ATTRS(local_trylock_init, _T)
#endif