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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 d620f497c50f
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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42d11f017717 nginx-0.1.0-2004-09-29-20:00:49 import; remove years from copyright
Igor Sysoev <igor@sysoev.ru>
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42d11f017717 nginx-0.1.0-2004-09-29-20:00:49 import; remove years from copyright
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2 # Copyright (C) Igor Sysoev
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d620f497c50f Copyright updated.
Maxim Konovalov <maxim@nginx.com>
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3 # Copyright (C) Nginx, Inc.
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42d11f017717 nginx-0.1.0-2004-09-29-20:00:49 import; remove years from copyright
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4a3f18406832 nginx-0.0.3-2004-03-30-10:27:36 import
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4a3f18406832 nginx-0.0.3-2004-03-30-10:27:36 import
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6 cat << END >> $NGX_AUTO_CONFIG_H
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4a3f18406832 nginx-0.0.3-2004-03-30-10:27:36 import
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8 #ifndef $have
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9 #define $have 0
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10 #endif
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12 END