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view src/event/ngx_event_posted.h @ 6553:2014ed60f17f

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SSL: support for multiple curves (ticket #885). OpenSSL 1.0.2+ allows configuring a curve list instead of a single curve previously supported. This allows use of different curves depending on what client supports (as available via the elliptic_curves extension), and also allows use of different curves in an ECDHE key exchange and in the ECDSA certificate. The special value "auto" was introduced (now the default for ssl_ecdh_curve), which means "use an internal list of curves as available in the OpenSSL library used". For versions prior to OpenSSL 1.0.2 it maps to "prime256v1" as previously used. The default in 1.0.2b+ prefers prime256v1 as well (and X25519 in OpenSSL 1.1.0+). As client vs. server preference of curves is controlled by the same option as used for ciphers (SSL_OP_CIPHER_SERVER_PREFERENCE), the ssl_prefer_server_ciphers directive now controls both.
author Maxim Dounin <mdounin@mdounin.ru>
date Thu, 19 May 2016 14:46:32 +0300
parents 3d4730eada9c
children 9d2ad2fb4423
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/*
 * Copyright (C) Igor Sysoev
 * Copyright (C) Nginx, Inc.
 */


#ifndef _NGX_EVENT_POSTED_H_INCLUDED_
#define _NGX_EVENT_POSTED_H_INCLUDED_


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


#define ngx_post_event(ev, q)                                                 \
                                                                              \
    if (!(ev)->posted) {                                                      \
        (ev)->posted = 1;                                                     \
        ngx_queue_insert_tail(q, &(ev)->queue);                               \
                                                                              \
        ngx_log_debug1(NGX_LOG_DEBUG_CORE, (ev)->log, 0, "post event %p", ev);\
                                                                              \
    } else  {                                                                 \
        ngx_log_debug1(NGX_LOG_DEBUG_CORE, (ev)->log, 0,                      \
                       "update posted event %p", ev);                         \
    }


#define ngx_delete_posted_event(ev)                                           \
                                                                              \
    (ev)->posted = 0;                                                         \
    ngx_queue_remove(&(ev)->queue);                                           \
                                                                              \
    ngx_log_debug1(NGX_LOG_DEBUG_CORE, (ev)->log, 0,                          \
                   "delete posted event %p", ev);



void ngx_event_process_posted(ngx_cycle_t *cycle, ngx_queue_t *posted);


extern ngx_queue_t  ngx_posted_accept_events;
extern ngx_queue_t  ngx_posted_events;


#endif /* _NGX_EVENT_POSTED_H_INCLUDED_ */