File: avoid-spinlock.rst

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.. title:: clang-tidy - darwin-avoid-spinlock

darwin-avoid-spinlock
=====================

Finds usages of ``OSSpinlock``, which is deprecated due to potential livelock
problems.

This check will detect following function invocations:

- ``OSSpinlockLock``
- ``OSSpinlockTry``
- ``OSSpinlockUnlock``

The corresponding information about the problem of ``OSSpinlock``: https://blog.postmates.com/why-spinlocks-are-bad-on-ios-b69fc5221058