Quelle net_util_md.h Sprache: C

/*
* Copyright (c) 1997, 2022, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.  Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/

#ifndef NET_UTILS_MD_H
#define NET_UTILS_MD_H

#include <netdb.h>
#include <poll.h>
#include <sys/socket.h>

/************************************************************************
* Macros and constants
*/

#define NET_NSEC_PER_MSEC 1000000
#define NET_NSEC_PER_SEC  1000000000
#define NET_NSEC_PER_USEC 1000

/* in case NI_MAXHOST is not defined in netdb.h */
#ifndef NI_MAXHOST
#define NI_MAXHOST 1025
#endif

/* Defines SO_REUSEPORT */
#ifndef SO_REUSEPORT
#ifdef __linux__
#define SO_REUSEPORT 15
#elif defined(AIX) || defined(MACOSX)
#define SO_REUSEPORT 0x0200
#else
#define SO_REUSEPORT 0
#endif
#endif

/*
* On 64-bit JDKs we use a much larger stack and heap buffer.
*/
#ifdef _LP64
#define MAX_BUFFER_LEN 65536
#define MAX_HEAP_BUFFER_LEN 131072
#else
#define MAX_BUFFER_LEN 8192
#define MAX_HEAP_BUFFER_LEN 65536
#endif

typedef union {
    struct sockaddr     sa;
    struct sockaddr_in  sa4;
    struct sockaddr_in6 sa6;
} SOCKETADDRESS;

/************************************************************************
* Functions
*/
void NET_ThrowUnknownHostExceptionWithGaiError(JNIEnv *env,
                                               const char* hostname,
                                               int gai_error);
void NET_ThrowByNameWithLastError(JNIEnv *env, const char *name,
                                  const char *defaultDetail);

#endif /* NET_UTILS_MD_H */

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