SSL: reset ready flag if recv(MSG_PEEK) found no bytes in socket. Previously, connection hung after calling ngx_http_ssl_handshake() with rev->ready set and no bytes in socket to read. It's possible in at least the following cases: - when processing a connection with expired TCP_DEFER_ACCEPT on Linux - after parsing PROXY protocol header if it arrived in a separate TCP packet Thanks to James Hamlin.

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


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


int
ngx_nonblocking(ngx_socket_t s)
{
    unsigned long  nb = 1;

    return ioctlsocket(s, FIONBIO, &nb);
}


int
ngx_blocking(ngx_socket_t s)
{
    unsigned long  nb = 0;

    return ioctlsocket(s, FIONBIO, &nb);
}


int
ngx_tcp_push(ngx_socket_t s)
{
    return 0;
}