Mercurial > hg > nginx-vendor-current
view src/core/ngx_shmtx.h @ 560:daf4847b43ff NGINX_0_8_32
nginx 0.8.32
*) Bugfix: UTF-8 encoding usage in the ngx_http_autoindex_module.
Thanks to Maxim Dounin.
*) Bugfix: regular expression named captures worked for two names only.
Thanks to Maxim Dounin.
*) Bugfix: now the "localhost" name is used in the "Host" request
header line, if an unix domain socket is defined in the "auth_http"
directive.
Thanks to Maxim Dounin.
*) Bugfix: nginx did nor support chunked transfer encoding for 201
responses.
Thanks to Julian Reich.
*) Bugfix: if the "expires modified" set date in the past, the a
negative number was set in the "Cache-Control" response header
line.
Thanks to Alex Kapranoff.
author | Igor Sysoev <http://sysoev.ru> |
---|---|
date | Mon, 11 Jan 2010 00:00:00 +0300 |
parents | bb941a2996a6 |
children | d4da38525468 |
line wrap: on
line source
/* * Copyright (C) Igor Sysoev */ #ifndef _NGX_SHMTX_H_INCLUDED_ #define _NGX_SHMTX_H_INCLUDED_ #include <ngx_config.h> #include <ngx_core.h> typedef struct { #if (NGX_HAVE_ATOMIC_OPS) ngx_atomic_t *lock; #else ngx_fd_t fd; u_char *name; #endif } ngx_shmtx_t; ngx_int_t ngx_shmtx_create(ngx_shmtx_t *mtx, void *addr, u_char *name); #if (NGX_HAVE_ATOMIC_OPS) static ngx_inline ngx_uint_t ngx_shmtx_trylock(ngx_shmtx_t *mtx) { return (*mtx->lock == 0 && ngx_atomic_cmp_set(mtx->lock, 0, ngx_pid)); } #define ngx_shmtx_lock(mtx) ngx_spinlock((mtx)->lock, ngx_pid, 1024) #define ngx_shmtx_unlock(mtx) (void) ngx_atomic_cmp_set((mtx)->lock, ngx_pid, 0) #define ngx_shmtx_destory(mtx) #else static ngx_inline ngx_uint_t ngx_shmtx_trylock(ngx_shmtx_t *mtx) { ngx_err_t err; err = ngx_trylock_fd(mtx->fd); if (err == 0) { return 1; } if (err == NGX_EAGAIN) { return 0; } #if __osf__ /* Tru64 UNIX */ if (err == NGX_EACCESS) { return 0; } #endif ngx_log_abort(err, ngx_trylock_fd_n " %s failed", mtx->name); return 0; } static ngx_inline void ngx_shmtx_lock(ngx_shmtx_t *mtx) { ngx_err_t err; err = ngx_lock_fd(mtx->fd); if (err == 0) { return; } ngx_log_abort(err, ngx_lock_fd_n " %s failed", mtx->name); } static ngx_inline void ngx_shmtx_unlock(ngx_shmtx_t *mtx) { ngx_err_t err; err = ngx_unlock_fd(mtx->fd); if (err == 0) { return; } ngx_log_abort(err, ngx_unlock_fd_n " %s failed", mtx->name); } void ngx_shmtx_destory(ngx_shmtx_t *mtx); #endif #endif /* _NGX_SHMTX_H_INCLUDED_ */