2b55da68ae
This adds support for a "fair" variant of the lock. When there are multiple entities within a single process that are blocked waiting for the lock the fair lock will ensure that they acquire the lock in FIFO order. For now at least, when fair locks are in use we don't support the "semaphores" argument. If external locks are enabled, the inter-process ordering will be determined by the underlying OS lock ordering and process scheduling. Change-Id: I37577becff4978bf643c65fa9bc2d78d342ea35a |
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