Mercurial > hg > nginx-vendor-current

annotate src/core/ngx_shmtx.c @ 284:3dbecd747fbb NGINX_0_5_12

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
nginx 0.5.12 *) Bugfix: nginx could not be built on platforms different from i386, amd64, sparc и ppc; bug appeared in 0.5.8. *) Bugfix: a segmentation fault might occur in worker process if the temporarily files were used while working with FastCGI server; bug appeared in 0.5.8. *) Bugfix: a segmentation fault might occur in worker process if the $fastcgi_script_name variable was logged. *) Bugfix: ngx_http_perl_module could not be built on Solaris.
author Igor Sysoev <http://sysoev.ru>
date Mon, 12 Feb 2007 00:00:00 +0300
parents 6ae1357b7b7c
children d4da38525468
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
284
3dbecd747fbb nginx 0.5.12
Igor Sysoev <http://sysoev.ru>
parents: 258
diff changeset
38 mtx->fd = ngx_open_file(name, NGX_FILE_RDWR, NGX_FILE_CREATE_OR_OPEN,
3dbecd747fbb nginx 0.5.12
Igor Sysoev <http://sysoev.ru>
parents: 258
diff changeset
39 NGX_FILE_DEFAULT_ACCESS);
160
73e8476f9142 nginx 0.3.27
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
40
73e8476f9142 nginx 0.3.27
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
41 if (mtx->fd == NGX_INVALID_FILE) {
258
6ae1357b7b7c nginx 0.4.14
Igor Sysoev <http://sysoev.ru>
parents: 160
diff changeset
42 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
43 ngx_open_file_n " \"%s\" failed", name);
73e8476f9142 nginx 0.3.27
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
44 return NGX_ERROR;
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
73e8476f9142 nginx 0.3.27
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
47 if (ngx_delete_file(name) == NGX_FILE_ERROR) {
258
6ae1357b7b7c nginx 0.4.14
Igor Sysoev <http://sysoev.ru>
parents: 160
diff changeset
48 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
49 ngx_delete_file_n " \"%s\" failed", name);
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
73e8476f9142 nginx 0.3.27
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
52 mtx->name = name;
73e8476f9142 nginx 0.3.27
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
53
73e8476f9142 nginx 0.3.27
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
54 return NGX_OK;
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
73e8476f9142 nginx 0.3.27
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
58 void
73e8476f9142 nginx 0.3.27
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
59 ngx_shmtx_destory(ngx_shmtx_t *mtx)
73e8476f9142 nginx 0.3.27
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
60 {
73e8476f9142 nginx 0.3.27
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
61 if (ngx_close_file(mtx->fd) == NGX_FILE_ERROR) {
258
6ae1357b7b7c nginx 0.4.14
Igor Sysoev <http://sysoev.ru>
parents: 160
diff changeset
62 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
63 ngx_close_file_n " \"%s\" failed", mtx->name);
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
73e8476f9142 nginx 0.3.27
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
68 #endif