zxfoundation::sync::qspinlock::qspinlock Class Reference

Queued spinlock — SMP-safe, cache-line-efficient. More...

Public Member Functions
auto	is_locked () const noexcept -> bool
	Test whether the lock is held (non-deterministic snapshot).
auto	lock () noexcept -> void
	Acquire the lock (blocking, SMP-safe).
auto	lock_irqsave () noexcept -> irqflags
	Acquire the lock and save + disable IRQs atomically.
auto	try_lock () noexcept -> bool
	Try to acquire the lock without blocking.
auto	unlock () noexcept -> void
	Release the lock.
auto	unlock_irqrestore (irqflags flags) noexcept -> void
	Release the lock and restore IRQs.

Detailed Description

Queued spinlock — SMP-safe, cache-line-efficient.

Note

Aligned to 4 bytes minimum for CS instruction operand alignment.

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The documentation for this class was generated from the following files:

• zxfoundation/sync/qspinlock.zcomponent/core.cxxm
• zxfoundation/sync/qspinlock.zcomponent/core.cxx