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Events: fixed EPOLLRDHUP with FIONREAD (ticket #2367). When reading exactly rev->available bytes, rev->available might become 0 after FIONREAD usage introduction in efd71d49bde0. On the next call of ngx_readv_chain() on systems with EPOLLRDHUP this resulted in return without any actions, that is, with rev->ready set, and this in turn resulted in no timers set in event pipe, leading to socket leaks. Fix is to reset rev->ready in ngx_readv_chain() when returning due to rev->available being 0 with EPOLLRDHUP, much like it is already done in ngx_unix_recv(). This ensures that if rev->available will become 0, on systems with EPOLLRDHUP support appropriate EPOLLRDHUP-specific handling will happen on the next ngx_readv_chain() call. While here, also synced ngx_readv_chain() to match ngx_unix_recv() and reset rev->ready when returning due to rev->available being 0 with kqueue. This is mostly cosmetic change, as rev->ready is anyway reset when rev->available is set to 0.
author Maxim Dounin <mdounin@mdounin.ru>
date Fri, 15 Jul 2022 15:19:32 +0300
parents d620f497c50f
children
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/*
 * Copyright (C) Igor Sysoev
 * Copyright (C) Nginx, Inc.
 */


#ifndef _NGX_TIME_H_INCLUDED_
#define _NGX_TIME_H_INCLUDED_


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


typedef ngx_rbtree_key_t      ngx_msec_t;
typedef ngx_rbtree_key_int_t  ngx_msec_int_t;

typedef SYSTEMTIME            ngx_tm_t;
typedef FILETIME              ngx_mtime_t;

#define ngx_tm_sec            wSecond
#define ngx_tm_min            wMinute
#define ngx_tm_hour           wHour
#define ngx_tm_mday           wDay
#define ngx_tm_mon            wMonth
#define ngx_tm_year           wYear
#define ngx_tm_wday           wDayOfWeek

#define ngx_tm_sec_t          u_short
#define ngx_tm_min_t          u_short
#define ngx_tm_hour_t         u_short
#define ngx_tm_mday_t         u_short
#define ngx_tm_mon_t          u_short
#define ngx_tm_year_t         u_short
#define ngx_tm_wday_t         u_short


#define ngx_msleep            Sleep

#define NGX_HAVE_GETTIMEZONE  1

#define  ngx_timezone_update()

ngx_int_t ngx_gettimezone(void);
void ngx_libc_localtime(time_t s, struct tm *tm);
void ngx_libc_gmtime(time_t s, struct tm *tm);
void ngx_gettimeofday(struct timeval *tp);


#endif /* _NGX_TIME_H_INCLUDED_ */