SSL: corrected SSL_ERROR_WANT_WRITE / SSL_ERROR_WANT_READ logging. While SSL_read() most likely to return SSL_ERROR_WANT_WRITE (and SSL_write() accordingly SSL_ERROR_WANT_READ) during an SSL renegotiation, it is not necessary mean that a renegotiation was started. In particular, it can never happen during a renegotiation or can happen multiple times during a renegotiation. Because of the above, misleading "peer started SSL renegotiation" info messages were replaced with "SSL_read: want write" and "SSL_write: want read" debug ones. Additionally, "SSL write handler" and "SSL read handler" are now logged by the SSL write and read handlers, to make it easier to understand that temporary SSL handlers are called instead of normal handlers.

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


#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_ */