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annotate src/core/ngx_rwlock.h @ 6238:8c6e71722aff

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Added protection against r->main->count overflow by subrequests. This overflow has become possible after the change in 06e850859a26, since concurrent subrequests are not limited now and each of them is counted in r->main->count.
author Valentin Bartenev <vbart@nginx.com>
date Mon, 31 Aug 2015 23:25:16 +0300
parents 682d8222c6b1
children d1816a2696de
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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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6
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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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21 #endif /* _NGX_RWLOCK_H_INCLUDED_ */