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Thread pools: memory barriers in task completion notifications. The ngx_thread_pool_done object isn't volatile, and at least some compilers assume that it is permitted to reorder modifications of volatile and non-volatile objects. Added appropriate ngx_memory_barrier() calls to make sure all modifications will happen before the lock is released. Reported by Mindaugas Rasiukevicius, http://mailman.nginx.org/pipermail/nginx-devel/2016-April/008160.html.
author Maxim Dounin <mdounin@mdounin.ru>
date Tue, 19 Apr 2016 17:18:28 +0300
parents 39a806ccf21e
children 9eefb38f0005
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# Copyright (C) Igor Sysoev
# Copyright (C) Nginx, Inc.


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