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view src/os/unix/ngx_solaris_config.h @ 7142:b9d919b53593 stable-1.12

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Stream: relaxed next upstream condition (ticket #1317). When switching to a next upstream, some buffers could be stuck in the middle of the filter chain. A condition existed that raised an error when this happened. As it turned out, this condition prevented switching to a next upstream if ssl preread was used with the TCP protocol (see the ticket). In fact, the condition does not make sense for TCP, since after successful connection to an upstream switching to another upstream never happens. As for UDP, the issue with stuck buffers is unlikely to happen, but is still possible. Specifically, if a filter delays sending data to upstream. The condition can be relaxed to only check the "buffered" bitmask of the upstream connection. The new condition is simpler and fixes the ticket issue as well. Additionally, the upstream_out chain is now reset for UDP prior to connecting to a new upstream to prevent repeating the client data twice.
author Roman Arutyunyan <arut@nginx.com>
date Mon, 11 Sep 2017 15:32:31 +0300
parents 7142b04337d6
children
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/*
 * Copyright (C) Igor Sysoev
 * Copyright (C) Nginx, Inc.
 */


#ifndef _NGX_SOLARIS_CONFIG_H_INCLUDED_
#define _NGX_SOLARIS_CONFIG_H_INCLUDED_


#ifndef _REENTRANT
#define _REENTRANT
#endif

#define _FILE_OFFSET_BITS  64   /* must be before <sys/types.h> */

#include <sys/types.h>
#include <sys/time.h>
#include <unistd.h>
#include <stdarg.h>
#include <stddef.h>             /* offsetof() */
#include <stdio.h>
#include <stdlib.h>
#include <ctype.h>
#include <errno.h>
#include <string.h>
#include <signal.h>
#include <pwd.h>
#include <grp.h>
#include <dirent.h>
#include <glob.h>
#include <time.h>
#include <sys/statvfs.h>        /* statvfs() */

#include <sys/filio.h>          /* FIONBIO */
#include <sys/uio.h>
#include <sys/stat.h>
#include <fcntl.h>

#include <sys/wait.h>
#include <sys/mman.h>
#include <sys/resource.h>
#include <sched.h>

#include <sys/socket.h>
#include <netinet/in.h>
#include <netinet/tcp.h>        /* TCP_NODELAY */
#include <arpa/inet.h>
#include <netdb.h>
#include <sys/un.h>

#include <sys/systeminfo.h>
#include <limits.h>             /* IOV_MAX */
#include <inttypes.h>
#include <crypt.h>

#include <dlfcn.h>

#define NGX_ALIGNMENT  _MAX_ALIGNMENT

#include <ngx_auto_config.h>


#if (NGX_HAVE_POSIX_SEM)
#include <semaphore.h>
#endif


#if (NGX_HAVE_POLL)
#include <poll.h>
#endif


#if (NGX_HAVE_DEVPOLL)
#include <sys/ioctl.h>
#include <sys/devpoll.h>
#endif


#if (NGX_HAVE_EVENTPORT)
#include <port.h>
#endif


#if (NGX_HAVE_SENDFILE)
#include <sys/sendfile.h>
#endif


#define NGX_LISTEN_BACKLOG           511


#ifndef NGX_HAVE_INHERITED_NONBLOCK
#define NGX_HAVE_INHERITED_NONBLOCK  1
#endif


#ifndef NGX_HAVE_SO_SNDLOWAT
/* setsockopt(SO_SNDLOWAT) returns ENOPROTOOPT */
#define NGX_HAVE_SO_SNDLOWAT         0
#endif


#define NGX_HAVE_OS_SPECIFIC_INIT    1
#define ngx_debug_init()


extern char **environ;


#endif /* _NGX_SOLARIS_CONFIG_H_INCLUDED_ */