Mercurial > hg > nginx
view src/core/ngx_shmtx.c @ 623:0216fd1471f3 release-0.3.33
nginx-0.3.33-RELEASE import
*) Feature: the "http_503" parameter of the "proxy_next_upstream" or
"fastcgi_next_upstream" directives.
*) Bugfix: ngx_http_perl_module did not work with inlined in the
configuration code, if it was not started with the "sub" word.
*) Bugfix: in the "post_action" directive.
author | Igor Sysoev <igor@sysoev.ru> |
---|---|
date | Wed, 15 Mar 2006 09:53:04 +0000 |
parents | 3f8a2132b93d |
children | 201d017ea470 |
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/* * Copyright (C) Igor Sysoev */ #include <ngx_config.h> #include <ngx_core.h> #if (NGX_HAVE_ATOMIC_OPS) ngx_int_t ngx_shmtx_create(ngx_shmtx_t *mtx, void *addr, u_char *name, ngx_log_t *log) { mtx->lock = addr; return NGX_OK; } #else ngx_int_t ngx_shmtx_create(ngx_shmtx_t *mtx, void *addr, u_char *name, ngx_log_t *log) { if (mtx->name) { if (ngx_strcmp(name, mtx->name) == 0) { mtx->name = name; mtx->log = log; return NGX_OK; } ngx_shmtx_destory(mtx); } mtx->fd = ngx_open_file(name, NGX_FILE_RDWR, NGX_FILE_CREATE_OR_OPEN); if (mtx->fd == NGX_INVALID_FILE) { ngx_log_error(NGX_LOG_EMERG, log, ngx_errno, ngx_open_file_n " \"%s\" failed", name); return NGX_ERROR; } if (ngx_delete_file(name) == NGX_FILE_ERROR) { ngx_log_error(NGX_LOG_ALERT, log, ngx_errno, ngx_delete_file_n " \"%s\" failed", name); } mtx->name = name; mtx->log = log; return NGX_OK; } void ngx_shmtx_destory(ngx_shmtx_t *mtx) { if (ngx_close_file(mtx->fd) == NGX_FILE_ERROR) { ngx_log_error(NGX_LOG_ALERT, mtx->log, ngx_errno, ngx_close_file_n " \"%s\" failed", mtx->name); } } #endif