Mercurial > hg > nginx
view src/event/ngx_event_connect.h @ 3755:76e3a93821b1
fix race condition if during reconfiguration two cache managers try
to delete old inactive entries: one of them removes a entry just locked by
other manager from the queue and the rbtree as long inactive entry,
causes the latter manager to segfault leaving cache mutex locked,
the bug has been introduced in r3727
author | Igor Sysoev <igor@sysoev.ru> |
---|---|
date | Thu, 02 Sep 2010 14:31:47 +0000 |
parents | fcd98af88df3 |
children | d620f497c50f |
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/* * Copyright (C) Igor Sysoev */ #ifndef _NGX_EVENT_CONNECT_H_INCLUDED_ #define _NGX_EVENT_CONNECT_H_INCLUDED_ #include <ngx_config.h> #include <ngx_core.h> #include <ngx_event.h> #define NGX_PEER_KEEPALIVE 1 #define NGX_PEER_NEXT 2 #define NGX_PEER_FAILED 4 typedef struct ngx_peer_connection_s ngx_peer_connection_t; typedef ngx_int_t (*ngx_event_get_peer_pt)(ngx_peer_connection_t *pc, void *data); typedef void (*ngx_event_free_peer_pt)(ngx_peer_connection_t *pc, void *data, ngx_uint_t state); #if (NGX_SSL) typedef ngx_int_t (*ngx_event_set_peer_session_pt)(ngx_peer_connection_t *pc, void *data); typedef void (*ngx_event_save_peer_session_pt)(ngx_peer_connection_t *pc, void *data); #endif struct ngx_peer_connection_s { ngx_connection_t *connection; struct sockaddr *sockaddr; socklen_t socklen; ngx_str_t *name; ngx_uint_t tries; ngx_event_get_peer_pt get; ngx_event_free_peer_pt free; void *data; #if (NGX_SSL) ngx_event_set_peer_session_pt set_session; ngx_event_save_peer_session_pt save_session; #endif #if (NGX_THREADS) ngx_atomic_t *lock; #endif ngx_addr_t *local; int rcvbuf; ngx_log_t *log; unsigned cached:1; /* ngx_connection_log_error_e */ unsigned log_error:2; }; ngx_int_t ngx_event_connect_peer(ngx_peer_connection_t *pc); ngx_int_t ngx_event_get_peer(ngx_peer_connection_t *pc, void *data); #endif /* _NGX_EVENT_CONNECT_H_INCLUDED_ */