| Quellcodebibliothek Statistik Leitseite products/sources/formale Sprachen/C/Linux/include/linux/ (Open Source Betriebssystem Version 6.17.9©) Datei vom 24.10.2025 mit Größe 3 kB |
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Quelle local_lock.h Sprache: C |
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/* 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 */ #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_ptr(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_ptr(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_ptr(lock), flags) /** * local_unlock - Release a per CPU local lock * @lock: The lock variable */ #define local_unlock(lock) __local_unlock(this_cpu_ptr(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_ptr(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_ptr(lock), flags) /** * local_lock_init - Runtime initialize a lock instance */ #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_ptr(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_ptr(lock), flags) DEFINE_GUARD(local_lock, local_lock_t __percpu*, local_lock(_T), local_unlock(_T)) DEFINE_GUARD(local_lock_irq, local_lock_t __percpu*, local_lock_irq(_T), local_unlock_irq(_T)) 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_ptr(_lock)) #define local_unlock_nested_bh(_lock) \ __local_unlock_nested_bh(this_cpu_ptr(_lock)) DEFINE_GUARD(local_lock_nested_bh, local_lock_t __percpu*, local_lock_nested_bh(_T), local_unlock_nested_bh(_T)) #endif ¤ Dauer der Verarbeitung: 0.15 Sekunden (vorverarbeitet) ¤*© Formatika GbR, Deutschland |
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2026-03-28