Threads: writing via threads pools in event pipe. The "aio_write" directive is introduced, which enables use of aio for writing. Currently it is meaningful only with "aio threads". Note that aio operations can be done by both event pipe and output chain, so proper mapping between r->aio and p->aio is provided when calling ngx_event_pipe() and in output filter. In collaboration with Valentin Bartenev.

/*
 * Copyright (C) Igor Sysoev
 * Copyright (C) Nginx, Inc.
 */


#ifndef _NGX_USER_H_INCLUDED_
#define _NGX_USER_H_INCLUDED_


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


typedef uid_t  ngx_uid_t;
typedef gid_t  ngx_gid_t;


ngx_int_t ngx_libc_crypt(ngx_pool_t *pool, u_char *key, u_char *salt,
    u_char **encrypted);


#endif /* _NGX_USER_H_INCLUDED_ */