nginx 0.9.0 *) Feature: the "keepalive_disable" directive. *) Feature: the "map" directive supports variables as value of a defined variable. *) Feature: the "map" directive supports empty strings as value of the first parameter. *) Feature: the "map" directive supports expressions as the first parameter. *) Feature: nginx(8) manual page. Thanks to Sergey Osokin. *) Feature: Linux accept4() support. Thanks to Simon Liu. *) Workaround: elimination of Linux linker warning about "sys_errlist" and "sys_nerr"; the warning had appeared in 0.8.35. *) Bugfix: a segmentation fault might occur in a worker process, if the "auth_basic" directive was used. Thanks to Michail Laletin. *) Bugfix: compatibility with ngx_http_eval_module; the bug had appeared in 0.8.42.

/*
 * Copyright (C) Igor Sysoev
 */


#ifndef _NGX_SHMEM_H_INCLUDED_
#define _NGX_SHMEM_H_INCLUDED_


#include <ngx_config.h>
#include <ngx_core.h>


typedef struct {
    u_char      *addr;
    size_t       size;
    ngx_str_t    name;
    ngx_log_t   *log;
    ngx_uint_t   exists;   /* unsigned  exists:1;  */
} ngx_shm_t;


ngx_int_t ngx_shm_alloc(ngx_shm_t *shm);
void ngx_shm_free(ngx_shm_t *shm);


#endif /* _NGX_SHMEM_H_INCLUDED_ */