Mercurial > hg > nginx-quic
annotate src/os/unix/ngx_setproctitle.h @ 6428:545b5e4d83b2
Upstream: avoid closing client connection in edge case.
If proxy_cache is enabled, and proxy_no_cache tests true, it was previously
possible for the client connection to be closed after a 304. The fix is to
recheck r->header_only after the final cacheability is determined, and end the
request if no longer cacheable.
Example configuration:
proxy_cache foo;
proxy_cache_bypass 1;
proxy_no_cache 1;
If a client sends If-None-Match, and the upstream server returns 200 with a
matching ETag, no body should be returned to the client. At the start of
ngx_http_upstream_send_response proxy_no_cache is not yet tested, thus cacheable
is still 1 and downstream_error is set.
However, by the time the downstream_error check is done in process_request,
proxy_no_cache has been tested and cacheable is set to 0. The client connection
is then closed, regardless of keepalive.
author | Justin Li <jli.justinli@gmail.com> |
---|---|
date | Tue, 08 Mar 2016 22:31:55 -0500 |
parents | 16013b71feed |
children |
rev | line source |
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509 | 1 |
2 /* | |
3 * Copyright (C) Igor Sysoev | |
4412 | 4 * Copyright (C) Nginx, Inc. |
509 | 5 */ |
6 | |
7 | |
8 #ifndef _NGX_SETPROCTITLE_H_INCLUDED_ | |
9 #define _NGX_SETPROCTITLE_H_INCLUDED_ | |
10 | |
11 | |
12 #if (NGX_HAVE_SETPROCTITLE) | |
13 | |
14 /* FreeBSD, NetBSD, OpenBSD */ | |
15 | |
5826
16013b71feed
Added ngx_init_setproctitle() return code check.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4412
diff
changeset
|
16 #define ngx_init_setproctitle(log) NGX_OK |
3285 | 17 #define ngx_setproctitle(title) setproctitle("%s", title) |
509 | 18 |
19 | |
515 | 20 #else /* !NGX_HAVE_SETPROCTITLE */ |
509 | 21 |
515 | 22 #if !defined NGX_SETPROCTITLE_USES_ENV |
509 | 23 |
24 #if (NGX_SOLARIS) | |
25 | |
515 | 26 #define NGX_SETPROCTITLE_USES_ENV 1 |
509 | 27 #define NGX_SETPROCTITLE_PAD ' ' |
28 | |
29 ngx_int_t ngx_init_setproctitle(ngx_log_t *log); | |
30 void ngx_setproctitle(char *title); | |
31 | |
515 | 32 #elif (NGX_LINUX) || (NGX_DARWIN) |
509 | 33 |
515 | 34 #define NGX_SETPROCTITLE_USES_ENV 1 |
35 #define NGX_SETPROCTITLE_PAD '\0' | |
36 | |
37 ngx_int_t ngx_init_setproctitle(ngx_log_t *log); | |
38 void ngx_setproctitle(char *title); | |
39 | |
40 #else | |
509 | 41 |
5826
16013b71feed
Added ngx_init_setproctitle() return code check.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4412
diff
changeset
|
42 #define ngx_init_setproctitle(log) NGX_OK |
509 | 43 #define ngx_setproctitle(title) |
44 | |
515 | 45 #endif /* OSes */ |
46 | |
47 #endif /* NGX_SETPROCTITLE_USES_ENV */ | |
48 | |
49 #endif /* NGX_HAVE_SETPROCTITLE */ | |
509 | 50 |
51 | |
52 #endif /* _NGX_SETPROCTITLE_H_INCLUDED_ */ |