view src/core/ngx_rwlock.h @ 7208:affeb6ef732c

HTTP/2: fixed ngx_http_v2_push_stream() allocation error handling. In particular, if a stream object allocation failed, and a client sent the PRIORITY frame for this stream, ngx_http_v2_set_dependency() could dereference a null pointer while trying to re-parent a dependency node.
author Ruslan Ermilov <ru@nginx.com>
date Thu, 15 Feb 2018 17:51:37 +0300
parents d1816a2696de
children
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/*
 * Copyright (C) Ruslan Ermilov
 * Copyright (C) Nginx, Inc.
 */


#ifndef _NGX_RWLOCK_H_INCLUDED_
#define _NGX_RWLOCK_H_INCLUDED_


#include <ngx_config.h>
#include <ngx_core.h>


void ngx_rwlock_wlock(ngx_atomic_t *lock);
void ngx_rwlock_rlock(ngx_atomic_t *lock);
void ngx_rwlock_unlock(ngx_atomic_t *lock);
void ngx_rwlock_downgrade(ngx_atomic_t *lock);


#endif /* _NGX_RWLOCK_H_INCLUDED_ */