Mercurial > hg > nginx-quic
annotate src/core/ngx_rwlock.h @ 8516:46815874bcc6
Core: disabled SO_REUSEADDR on UDP sockets while testing config.
On Linux, SO_REUSEADDR allows completely duplicate UDP sockets, so using
SO_REUSEADDR when testing configuration results in packets being dropped
if there is an existing traffic on the sockets being tested (ticket #2187).
While dropped packets are expected with UDP, it is better to avoid this
when possible.
With this change, SO_REUSEADDR is no longer set on datagram sockets when
testing configuration.
author | Maxim Dounin <mdounin@mdounin.ru> |
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date | Mon, 31 May 2021 16:36:51 +0300 |
parents | d1816a2696de |
children |
rev | line source |
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6101 | 1 |
2 /* | |
3 * Copyright (C) Ruslan Ermilov | |
4 * Copyright (C) Nginx, Inc. | |
5 */ | |
6 | |
7 | |
8 #ifndef _NGX_RWLOCK_H_INCLUDED_ | |
9 #define _NGX_RWLOCK_H_INCLUDED_ | |
10 | |
11 | |
12 #include <ngx_config.h> | |
13 #include <ngx_core.h> | |
14 | |
15 | |
16 void ngx_rwlock_wlock(ngx_atomic_t *lock); | |
17 void ngx_rwlock_rlock(ngx_atomic_t *lock); | |
18 void ngx_rwlock_unlock(ngx_atomic_t *lock); | |
7038
d1816a2696de
Introduced ngx_rwlock_downgrade().
Ruslan Ermilov <ru@nginx.com>
parents:
6101
diff
changeset
|
19 void ngx_rwlock_downgrade(ngx_atomic_t *lock); |
6101 | 20 |
21 | |
22 #endif /* _NGX_RWLOCK_H_INCLUDED_ */ |