annotate src/core/ngx_shmtx.c @ 278:704622b2528a NGINX_0_5_9

nginx 0.5.9 *) Change: now the ngx_http_memcached_module uses the $memcached_key variable value as a key. *) Feature: the $memcached_key variable. *) Feature: the "clean" parameter in the "client_body_in_file_only" directive. *) Feature: the "env" directive. *) Feature: the "sendfile" directive is available inside the "if" block. *) Feature: now on failure of the writing to access nginx logs a message to error_log, but not more often than once a minute. *) Bugfix: the "access_log off" directive did not always turn off the logging.
author Igor Sysoev <http://sysoev.ru>
date Thu, 25 Jan 2007 00:00:00 +0300
parents 6ae1357b7b7c
children 3dbecd747fbb
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
160
73e8476f9142 nginx 0.3.27
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1
73e8476f9142 nginx 0.3.27
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2 /*
73e8476f9142 nginx 0.3.27
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
3 * Copyright (C) Igor Sysoev
73e8476f9142 nginx 0.3.27
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
4 */
73e8476f9142 nginx 0.3.27
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
5
73e8476f9142 nginx 0.3.27
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
6
73e8476f9142 nginx 0.3.27
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
7 #include <ngx_config.h>
73e8476f9142 nginx 0.3.27
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
8 #include <ngx_core.h>
73e8476f9142 nginx 0.3.27
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
9
73e8476f9142 nginx 0.3.27
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
10
73e8476f9142 nginx 0.3.27
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
11 #if (NGX_HAVE_ATOMIC_OPS)
73e8476f9142 nginx 0.3.27
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
12
73e8476f9142 nginx 0.3.27
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
13
73e8476f9142 nginx 0.3.27
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
14 ngx_int_t
258
6ae1357b7b7c nginx 0.4.14
Igor Sysoev <http://sysoev.ru>
parents: 160
diff changeset
15 ngx_shmtx_create(ngx_shmtx_t *mtx, void *addr, u_char *name)
160
73e8476f9142 nginx 0.3.27
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
16 {
73e8476f9142 nginx 0.3.27
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
17 mtx->lock = addr;
73e8476f9142 nginx 0.3.27
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
18
73e8476f9142 nginx 0.3.27
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
19 return NGX_OK;
73e8476f9142 nginx 0.3.27
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
20 }
73e8476f9142 nginx 0.3.27
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
21
73e8476f9142 nginx 0.3.27
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
22 #else
73e8476f9142 nginx 0.3.27
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
23
73e8476f9142 nginx 0.3.27
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
24
73e8476f9142 nginx 0.3.27
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
25 ngx_int_t
258
6ae1357b7b7c nginx 0.4.14
Igor Sysoev <http://sysoev.ru>
parents: 160
diff changeset
26 ngx_shmtx_create(ngx_shmtx_t *mtx, void *addr, u_char *name)
160
73e8476f9142 nginx 0.3.27
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
27 {
73e8476f9142 nginx 0.3.27
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
28 if (mtx->name) {
73e8476f9142 nginx 0.3.27
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
29
73e8476f9142 nginx 0.3.27
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
30 if (ngx_strcmp(name, mtx->name) == 0) {
73e8476f9142 nginx 0.3.27
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
31 mtx->name = name;
73e8476f9142 nginx 0.3.27
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
32 return NGX_OK;
73e8476f9142 nginx 0.3.27
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
33 }
73e8476f9142 nginx 0.3.27
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
34
73e8476f9142 nginx 0.3.27
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
35 ngx_shmtx_destory(mtx);
73e8476f9142 nginx 0.3.27
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
36 }
73e8476f9142 nginx 0.3.27
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
37
73e8476f9142 nginx 0.3.27
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
38 mtx->fd = ngx_open_file(name, NGX_FILE_RDWR, NGX_FILE_CREATE_OR_OPEN);
73e8476f9142 nginx 0.3.27
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
39
73e8476f9142 nginx 0.3.27
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
40 if (mtx->fd == NGX_INVALID_FILE) {
258
6ae1357b7b7c nginx 0.4.14
Igor Sysoev <http://sysoev.ru>
parents: 160
diff changeset
41 ngx_log_error(NGX_LOG_EMERG, ngx_cycle->log, ngx_errno,
160
73e8476f9142 nginx 0.3.27
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
42 ngx_open_file_n " \"%s\" failed", name);
73e8476f9142 nginx 0.3.27
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
43 return NGX_ERROR;
73e8476f9142 nginx 0.3.27
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
44 }
73e8476f9142 nginx 0.3.27
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
45
73e8476f9142 nginx 0.3.27
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
46 if (ngx_delete_file(name) == NGX_FILE_ERROR) {
258
6ae1357b7b7c nginx 0.4.14
Igor Sysoev <http://sysoev.ru>
parents: 160
diff changeset
47 ngx_log_error(NGX_LOG_ALERT, ngx_cycle->log, ngx_errno,
160
73e8476f9142 nginx 0.3.27
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
48 ngx_delete_file_n " \"%s\" failed", name);
73e8476f9142 nginx 0.3.27
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
49 }
73e8476f9142 nginx 0.3.27
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
50
73e8476f9142 nginx 0.3.27
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
51 mtx->name = name;
73e8476f9142 nginx 0.3.27
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
52
73e8476f9142 nginx 0.3.27
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
53 return NGX_OK;
73e8476f9142 nginx 0.3.27
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
54 }
73e8476f9142 nginx 0.3.27
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
55
73e8476f9142 nginx 0.3.27
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
56
73e8476f9142 nginx 0.3.27
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
57 void
73e8476f9142 nginx 0.3.27
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
58 ngx_shmtx_destory(ngx_shmtx_t *mtx)
73e8476f9142 nginx 0.3.27
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
59 {
73e8476f9142 nginx 0.3.27
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
60 if (ngx_close_file(mtx->fd) == NGX_FILE_ERROR) {
258
6ae1357b7b7c nginx 0.4.14
Igor Sysoev <http://sysoev.ru>
parents: 160
diff changeset
61 ngx_log_error(NGX_LOG_ALERT, ngx_cycle->log, ngx_errno,
160
73e8476f9142 nginx 0.3.27
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
62 ngx_close_file_n " \"%s\" failed", mtx->name);
73e8476f9142 nginx 0.3.27
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
63 }
73e8476f9142 nginx 0.3.27
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
64 }
73e8476f9142 nginx 0.3.27
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
65
73e8476f9142 nginx 0.3.27
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
66
73e8476f9142 nginx 0.3.27
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
67 #endif