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view src/core/ngx_shmtx.h @ 4367:9c4acdf9b276 stable-1.0

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Merge of r4315: Allowed add_header for proxied 206 replies. It was working for nginx's own 206 replies as they are seen as 200 in the headers filter module (range filter goes later in the headers filter chain), but not for proxied replies.
author Maxim Dounin <mdounin@mdounin.ru>
date Wed, 14 Dec 2011 18:06:21 +0000
parents 0daede16d68b
children 3f6040cd731e 4919fb357a5d
line wrap: on
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/*
 * 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;
#if (NGX_HAVE_POSIX_SEM)
    ngx_uint_t     semaphore;
    sem_t          sem;
#endif
#else
    ngx_fd_t       fd;
    u_char        *name;
#endif
    ngx_uint_t     spin;
} ngx_shmtx_t;


ngx_int_t ngx_shmtx_create(ngx_shmtx_t *mtx, void *addr, u_char *name);
void ngx_shmtx_destory(ngx_shmtx_t *mtx);
ngx_uint_t ngx_shmtx_trylock(ngx_shmtx_t *mtx);
void ngx_shmtx_lock(ngx_shmtx_t *mtx);
void ngx_shmtx_unlock(ngx_shmtx_t *mtx);


#endif /* _NGX_SHMTX_H_INCLUDED_ */