annotate src/core/ngx_rwlock.h @ 8551:c35b255d80dc quic

HTTP/3: close connection on keepalive_requests * 2. After receiving GOAWAY, client is not supposed to create new streams. However, until client reads this frame, we allow it to create new streams, which are gracefully rejected. To prevent client from abusing this algorithm, a new limit is introduced. Upon reaching keepalive_requests * 2, server now closes the entire QUIC connection claiming excessive load.
author Roman Arutyunyan <arut@nginx.com>
date Thu, 29 Jul 2021 16:01:37 +0300
parents d1816a2696de
children
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2 /*
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3 * Copyright (C) Ruslan Ermilov
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4 * Copyright (C) Nginx, Inc.
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5 */
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8 #ifndef _NGX_RWLOCK_H_INCLUDED_
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9 #define _NGX_RWLOCK_H_INCLUDED_
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12 #include <ngx_config.h>
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13 #include <ngx_core.h>
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16 void ngx_rwlock_wlock(ngx_atomic_t *lock);
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17 void ngx_rwlock_rlock(ngx_atomic_t *lock);
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18 void ngx_rwlock_unlock(ngx_atomic_t *lock);
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19 void ngx_rwlock_downgrade(ngx_atomic_t *lock);
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22 #endif /* _NGX_RWLOCK_H_INCLUDED_ */