Mercurial > hg > nginx-vendor-current
annotate src/core/ngx_spinlock.c @ 28:7ca9bdc82b3f NGINX_0_1_14
nginx 0.1.14
*) Feature: the autoconfiguration directives:
--http-client-body-temp-path=PATH, --http-proxy-temp-path=PATH, and
--http-fastcgi-temp-path=PATH
*) Change: the directory name for the temporary files with the client
request body is specified by directive client_body_temp_path, by
default it is <prefix>/client_body_temp.
*) Feature: the ngx_http_fastcgi_module and the directives:
fastcgi_pass, fastcgi_root, fastcgi_index, fastcgi_params,
fastcgi_connect_timeout, fastcgi_send_timeout, fastcgi_read_timeout,
fastcgi_send_lowat, fastcgi_header_buffer_size, fastcgi_buffers,
fastcgi_busy_buffers_size, fastcgi_temp_path,
fastcgi_max_temp_file_size, fastcgi_temp_file_write_size,
fastcgi_next_upstream, and fastcgi_x_powered_by.
*) Bugfix: the "[alert] zero size buf" error; bug appeared in 0.1.3.
*) Change: the URI must be specified after the host name in the
proxy_pass directive.
*) Change: the %3F symbol in the URI was considered as the argument
string start.
*) Feature: the unix domain sockets support in the
ngx_http_proxy_module.
*) Feature: the ssl_engine and ssl_ciphers directives.
Thanks to Sergey Skvortsov for SSL-accelerator.
author | Igor Sysoev <http://sysoev.ru> |
---|---|
date | Tue, 18 Jan 2005 00:00:00 +0300 |
parents | f0b350454894 |
children | 41ccba1aba45 |
rev | line source |
---|---|
0 | 1 |
2 /* | |
3 * Copyright (C) Igor Sysoev | |
4 */ | |
5 | |
6 | |
7 #include <ngx_config.h> | |
8 #include <ngx_core.h> | |
9 | |
10 | |
11 void ngx_spinlock(ngx_atomic_t *lock, ngx_uint_t spin) | |
12 { | |
13 | |
14 #if (NGX_HAVE_ATOMIC_OPS) | |
15 | |
16 ngx_uint_t tries; | |
17 | |
18 tries = 0; | |
19 | |
20 for ( ;; ) { | |
21 | |
22 if (*lock) { | |
23 if (ngx_ncpu > 1 && tries++ < spin) { | |
24 continue; | |
25 } | |
26 | |
27 ngx_sched_yield(); | |
28 | |
29 tries = 0; | |
30 | |
31 } else { | |
32 if (ngx_atomic_cmp_set(lock, 0, 1)) { | |
33 return; | |
34 } | |
35 } | |
36 } | |
37 | |
38 #else | |
39 | |
40 #if (NGX_THREADS) | |
41 | |
42 #error ngx_spinlock() or ngx_atomic_cmp_set() are not defined ! | |
43 | |
44 #endif | |
45 | |
46 #endif | |
47 | |
48 } |