752 lines
28 KiB
C
752 lines
28 KiB
C
/*
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Copyright (c) 2007-2016 Contributors as noted in the AUTHORS file
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This file is part of libzmq, the ZeroMQ core engine in C++.
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libzmq is free software; you can redistribute it and/or modify it under
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the terms of the GNU Lesser General Public License (LGPL) as published
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by the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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As a special exception, the Contributors give you permission to link
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this library with independent modules to produce an executable,
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regardless of the license terms of these independent modules, and to
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copy and distribute the resulting executable under terms of your choice,
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provided that you also meet, for each linked independent module, the
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terms and conditions of the license of that module. An independent
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module is a module which is not derived from or based on this library.
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If you modify this library, you must extend this exception to your
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version of the library.
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libzmq is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
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License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*************************************************************************
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NOTE to contributors. This file comprises the principal public contract
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for ZeroMQ API users. Any change to this file supplied in a stable
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release SHOULD not break existing applications.
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In practice this means that the value of constants must not change, and
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that old values may not be reused for new constants.
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*************************************************************************
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*/
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#ifndef __ZMQ_H_INCLUDED__
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#define __ZMQ_H_INCLUDED__
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/* Version macros for compile-time API version detection */
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#define ZMQ_VERSION_MAJOR 4
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#define ZMQ_VERSION_MINOR 3
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#define ZMQ_VERSION_PATCH 2
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#define ZMQ_MAKE_VERSION(major, minor, patch) \
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((major) *10000 + (minor) *100 + (patch))
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#define ZMQ_VERSION \
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ZMQ_MAKE_VERSION (ZMQ_VERSION_MAJOR, ZMQ_VERSION_MINOR, ZMQ_VERSION_PATCH)
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#ifdef __cplusplus
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extern "C" {
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#endif
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#if !defined _WIN32_WCE
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#include <errno.h>
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#endif
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#include <stddef.h>
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#include <stdio.h>
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#if defined _WIN32
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// Set target version to Windows Server 2008, Windows Vista or higher.
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// Windows XP (0x0501) is supported but without client & server socket types.
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#ifndef _WIN32_WINNT
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#define _WIN32_WINNT 0x0600
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#endif
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#ifdef __MINGW32__
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// Require Windows XP or higher with MinGW for getaddrinfo().
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#if (_WIN32_WINNT >= 0x0501)
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#else
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#error You need at least Windows XP target
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#endif
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#endif
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#include <winsock2.h>
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#endif
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/* Handle DSO symbol visibility */
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#if defined _WIN32
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#if defined ZMQ_STATIC
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#define ZMQ_EXPORT
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#elif defined DLL_EXPORT
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#define ZMQ_EXPORT __declspec(dllexport)
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#else
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#define ZMQ_EXPORT __declspec(dllimport)
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#endif
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#else
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#if defined __SUNPRO_C || defined __SUNPRO_CC
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#define ZMQ_EXPORT __global
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#elif (defined __GNUC__ && __GNUC__ >= 4) || defined __INTEL_COMPILER
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#define ZMQ_EXPORT __attribute__ ((visibility ("default")))
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#else
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#define ZMQ_EXPORT
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#endif
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#endif
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/* Define integer types needed for event interface */
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#define ZMQ_DEFINED_STDINT 1
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#if defined ZMQ_HAVE_SOLARIS || defined ZMQ_HAVE_OPENVMS
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#include <inttypes.h>
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#elif defined _MSC_VER && _MSC_VER < 1600
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#ifndef uint64_t
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typedef unsigned __int64 uint64_t;
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#endif
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#ifndef int32_t
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typedef __int32 int32_t;
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#endif
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#ifndef uint32_t
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typedef unsigned __int32 uint32_t;
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#endif
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#ifndef uint16_t
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typedef unsigned __int16 uint16_t;
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#endif
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#ifndef uint8_t
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typedef unsigned __int8 uint8_t;
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#endif
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#else
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#include <stdint.h>
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#endif
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// 32-bit AIX's pollfd struct members are called reqevents and rtnevents so it
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// defines compatibility macros for them. Need to include that header first to
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// stop build failures since zmq_pollset_t defines them as events and revents.
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#ifdef ZMQ_HAVE_AIX
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#include <poll.h>
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#endif
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/******************************************************************************/
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/* 0MQ errors. */
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/******************************************************************************/
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/* A number random enough not to collide with different errno ranges on */
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/* different OSes. The assumption is that error_t is at least 32-bit type. */
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#define ZMQ_HAUSNUMERO 156384712
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/* On Windows platform some of the standard POSIX errnos are not defined. */
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#ifndef ENOTSUP
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#define ENOTSUP (ZMQ_HAUSNUMERO + 1)
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#endif
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#ifndef EPROTONOSUPPORT
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#define EPROTONOSUPPORT (ZMQ_HAUSNUMERO + 2)
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#endif
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#ifndef ENOBUFS
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#define ENOBUFS (ZMQ_HAUSNUMERO + 3)
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#endif
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#ifndef ENETDOWN
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#define ENETDOWN (ZMQ_HAUSNUMERO + 4)
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#endif
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#ifndef EADDRINUSE
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#define EADDRINUSE (ZMQ_HAUSNUMERO + 5)
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#endif
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#ifndef EADDRNOTAVAIL
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#define EADDRNOTAVAIL (ZMQ_HAUSNUMERO + 6)
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#endif
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#ifndef ECONNREFUSED
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#define ECONNREFUSED (ZMQ_HAUSNUMERO + 7)
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#endif
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#ifndef EINPROGRESS
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#define EINPROGRESS (ZMQ_HAUSNUMERO + 8)
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#endif
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#ifndef ENOTSOCK
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#define ENOTSOCK (ZMQ_HAUSNUMERO + 9)
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#endif
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#ifndef EMSGSIZE
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#define EMSGSIZE (ZMQ_HAUSNUMERO + 10)
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#endif
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#ifndef EAFNOSUPPORT
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#define EAFNOSUPPORT (ZMQ_HAUSNUMERO + 11)
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#endif
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#ifndef ENETUNREACH
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#define ENETUNREACH (ZMQ_HAUSNUMERO + 12)
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#endif
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#ifndef ECONNABORTED
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#define ECONNABORTED (ZMQ_HAUSNUMERO + 13)
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#endif
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#ifndef ECONNRESET
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#define ECONNRESET (ZMQ_HAUSNUMERO + 14)
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#endif
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#ifndef ENOTCONN
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#define ENOTCONN (ZMQ_HAUSNUMERO + 15)
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#endif
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#ifndef ETIMEDOUT
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#define ETIMEDOUT (ZMQ_HAUSNUMERO + 16)
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#endif
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#ifndef EHOSTUNREACH
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#define EHOSTUNREACH (ZMQ_HAUSNUMERO + 17)
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#endif
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#ifndef ENETRESET
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#define ENETRESET (ZMQ_HAUSNUMERO + 18)
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#endif
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/* Native 0MQ error codes. */
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#define EFSM (ZMQ_HAUSNUMERO + 51)
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#define ENOCOMPATPROTO (ZMQ_HAUSNUMERO + 52)
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#define ETERM (ZMQ_HAUSNUMERO + 53)
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#define EMTHREAD (ZMQ_HAUSNUMERO + 54)
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/* This function retrieves the errno as it is known to 0MQ library. The goal */
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/* of this function is to make the code 100% portable, including where 0MQ */
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/* compiled with certain CRT library (on Windows) is linked to an */
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/* application that uses different CRT library. */
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ZMQ_EXPORT int zmq_errno (void);
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/* Resolves system errors and 0MQ errors to human-readable string. */
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ZMQ_EXPORT const char *zmq_strerror (int errnum_);
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/* Run-time API version detection */
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ZMQ_EXPORT void zmq_version (int *major_, int *minor_, int *patch_);
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/******************************************************************************/
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/* 0MQ infrastructure (a.k.a. context) initialisation & termination. */
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/******************************************************************************/
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/* Context options */
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#define ZMQ_IO_THREADS 1
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#define ZMQ_MAX_SOCKETS 2
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#define ZMQ_SOCKET_LIMIT 3
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#define ZMQ_THREAD_PRIORITY 3
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#define ZMQ_THREAD_SCHED_POLICY 4
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#define ZMQ_MAX_MSGSZ 5
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#define ZMQ_MSG_T_SIZE 6
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#define ZMQ_THREAD_AFFINITY_CPU_ADD 7
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#define ZMQ_THREAD_AFFINITY_CPU_REMOVE 8
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#define ZMQ_THREAD_NAME_PREFIX 9
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/* Default for new contexts */
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#define ZMQ_IO_THREADS_DFLT 1
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#define ZMQ_MAX_SOCKETS_DFLT 1023
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#define ZMQ_THREAD_PRIORITY_DFLT -1
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#define ZMQ_THREAD_SCHED_POLICY_DFLT -1
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ZMQ_EXPORT void *zmq_ctx_new (void);
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ZMQ_EXPORT int zmq_ctx_term (void *context_);
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ZMQ_EXPORT int zmq_ctx_shutdown (void *context_);
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ZMQ_EXPORT int zmq_ctx_set (void *context_, int option_, int optval_);
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ZMQ_EXPORT int zmq_ctx_get (void *context_, int option_);
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/* Old (legacy) API */
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ZMQ_EXPORT void *zmq_init (int io_threads_);
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ZMQ_EXPORT int zmq_term (void *context_);
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ZMQ_EXPORT int zmq_ctx_destroy (void *context_);
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/******************************************************************************/
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/* 0MQ message definition. */
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/******************************************************************************/
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/* Some architectures, like sparc64 and some variants of aarch64, enforce pointer
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* alignment and raise sigbus on violations. Make sure applications allocate
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* zmq_msg_t on addresses aligned on a pointer-size boundary to avoid this issue.
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*/
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typedef struct zmq_msg_t
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{
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#if defined(_MSC_VER) && (defined(_M_X64) || defined(_M_ARM64))
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__declspec(align (8)) unsigned char _[64];
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#elif defined(_MSC_VER) && (defined(_M_IX86) || defined(_M_ARM_ARMV7VE))
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__declspec(align (4)) unsigned char _[64];
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#elif defined(__GNUC__) || defined(__INTEL_COMPILER) \
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|| (defined(__SUNPRO_C) && __SUNPRO_C >= 0x590) \
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|| (defined(__SUNPRO_CC) && __SUNPRO_CC >= 0x590)
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unsigned char _[64] __attribute__ ((aligned (sizeof (void *))));
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#else
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unsigned char _[64];
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#endif
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} zmq_msg_t;
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typedef void(zmq_free_fn) (void *data_, void *hint_);
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ZMQ_EXPORT int zmq_msg_init (zmq_msg_t *msg_);
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ZMQ_EXPORT int zmq_msg_init_size (zmq_msg_t *msg_, size_t size_);
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ZMQ_EXPORT int zmq_msg_init_data (
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zmq_msg_t *msg_, void *data_, size_t size_, zmq_free_fn *ffn_, void *hint_);
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ZMQ_EXPORT int zmq_msg_send (zmq_msg_t *msg_, void *s_, int flags_);
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ZMQ_EXPORT int zmq_msg_recv (zmq_msg_t *msg_, void *s_, int flags_);
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ZMQ_EXPORT int zmq_msg_close (zmq_msg_t *msg_);
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ZMQ_EXPORT int zmq_msg_move (zmq_msg_t *dest_, zmq_msg_t *src_);
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ZMQ_EXPORT int zmq_msg_copy (zmq_msg_t *dest_, zmq_msg_t *src_);
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ZMQ_EXPORT void *zmq_msg_data (zmq_msg_t *msg_);
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ZMQ_EXPORT size_t zmq_msg_size (const zmq_msg_t *msg_);
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ZMQ_EXPORT int zmq_msg_more (const zmq_msg_t *msg_);
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ZMQ_EXPORT int zmq_msg_get (const zmq_msg_t *msg_, int property_);
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ZMQ_EXPORT int zmq_msg_set (zmq_msg_t *msg_, int property_, int optval_);
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ZMQ_EXPORT const char *zmq_msg_gets (const zmq_msg_t *msg_,
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const char *property_);
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/******************************************************************************/
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/* 0MQ socket definition. */
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/******************************************************************************/
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/* Socket types. */
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#define ZMQ_PAIR 0
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#define ZMQ_PUB 1
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#define ZMQ_SUB 2
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#define ZMQ_REQ 3
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#define ZMQ_REP 4
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#define ZMQ_DEALER 5
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#define ZMQ_ROUTER 6
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#define ZMQ_PULL 7
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#define ZMQ_PUSH 8
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#define ZMQ_XPUB 9
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#define ZMQ_XSUB 10
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#define ZMQ_STREAM 11
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/* Deprecated aliases */
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#define ZMQ_XREQ ZMQ_DEALER
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#define ZMQ_XREP ZMQ_ROUTER
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/* Socket options. */
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#define ZMQ_AFFINITY 4
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#define ZMQ_ROUTING_ID 5
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#define ZMQ_SUBSCRIBE 6
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#define ZMQ_UNSUBSCRIBE 7
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#define ZMQ_RATE 8
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#define ZMQ_RECOVERY_IVL 9
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#define ZMQ_SNDBUF 11
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#define ZMQ_RCVBUF 12
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#define ZMQ_RCVMORE 13
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#define ZMQ_FD 14
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#define ZMQ_EVENTS 15
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#define ZMQ_TYPE 16
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#define ZMQ_LINGER 17
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#define ZMQ_RECONNECT_IVL 18
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#define ZMQ_BACKLOG 19
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#define ZMQ_RECONNECT_IVL_MAX 21
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#define ZMQ_MAXMSGSIZE 22
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#define ZMQ_SNDHWM 23
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#define ZMQ_RCVHWM 24
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#define ZMQ_MULTICAST_HOPS 25
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#define ZMQ_RCVTIMEO 27
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#define ZMQ_SNDTIMEO 28
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#define ZMQ_LAST_ENDPOINT 32
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#define ZMQ_ROUTER_MANDATORY 33
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#define ZMQ_TCP_KEEPALIVE 34
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#define ZMQ_TCP_KEEPALIVE_CNT 35
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#define ZMQ_TCP_KEEPALIVE_IDLE 36
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#define ZMQ_TCP_KEEPALIVE_INTVL 37
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#define ZMQ_IMMEDIATE 39
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#define ZMQ_XPUB_VERBOSE 40
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#define ZMQ_ROUTER_RAW 41
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#define ZMQ_IPV6 42
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#define ZMQ_MECHANISM 43
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#define ZMQ_PLAIN_SERVER 44
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#define ZMQ_PLAIN_USERNAME 45
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#define ZMQ_PLAIN_PASSWORD 46
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#define ZMQ_CURVE_SERVER 47
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#define ZMQ_CURVE_PUBLICKEY 48
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#define ZMQ_CURVE_SECRETKEY 49
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#define ZMQ_CURVE_SERVERKEY 50
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#define ZMQ_PROBE_ROUTER 51
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#define ZMQ_REQ_CORRELATE 52
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#define ZMQ_REQ_RELAXED 53
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#define ZMQ_CONFLATE 54
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#define ZMQ_ZAP_DOMAIN 55
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#define ZMQ_ROUTER_HANDOVER 56
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#define ZMQ_TOS 57
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#define ZMQ_CONNECT_ROUTING_ID 61
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#define ZMQ_GSSAPI_SERVER 62
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#define ZMQ_GSSAPI_PRINCIPAL 63
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#define ZMQ_GSSAPI_SERVICE_PRINCIPAL 64
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#define ZMQ_GSSAPI_PLAINTEXT 65
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#define ZMQ_HANDSHAKE_IVL 66
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#define ZMQ_SOCKS_PROXY 68
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#define ZMQ_XPUB_NODROP 69
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#define ZMQ_BLOCKY 70
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#define ZMQ_XPUB_MANUAL 71
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#define ZMQ_XPUB_WELCOME_MSG 72
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#define ZMQ_STREAM_NOTIFY 73
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#define ZMQ_INVERT_MATCHING 74
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#define ZMQ_HEARTBEAT_IVL 75
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#define ZMQ_HEARTBEAT_TTL 76
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#define ZMQ_HEARTBEAT_TIMEOUT 77
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#define ZMQ_XPUB_VERBOSER 78
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#define ZMQ_CONNECT_TIMEOUT 79
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#define ZMQ_TCP_MAXRT 80
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#define ZMQ_THREAD_SAFE 81
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#define ZMQ_MULTICAST_MAXTPDU 84
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#define ZMQ_VMCI_BUFFER_SIZE 85
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#define ZMQ_VMCI_BUFFER_MIN_SIZE 86
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#define ZMQ_VMCI_BUFFER_MAX_SIZE 87
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#define ZMQ_VMCI_CONNECT_TIMEOUT 88
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#define ZMQ_USE_FD 89
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#define ZMQ_GSSAPI_PRINCIPAL_NAMETYPE 90
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#define ZMQ_GSSAPI_SERVICE_PRINCIPAL_NAMETYPE 91
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#define ZMQ_BINDTODEVICE 92
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/* Message options */
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#define ZMQ_MORE 1
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#define ZMQ_SHARED 3
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/* Send/recv options. */
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#define ZMQ_DONTWAIT 1
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#define ZMQ_SNDMORE 2
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/* Security mechanisms */
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#define ZMQ_NULL 0
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#define ZMQ_PLAIN 1
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#define ZMQ_CURVE 2
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#define ZMQ_GSSAPI 3
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/* RADIO-DISH protocol */
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#define ZMQ_GROUP_MAX_LENGTH 15
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/* Deprecated options and aliases */
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#define ZMQ_IDENTITY ZMQ_ROUTING_ID
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#define ZMQ_CONNECT_RID ZMQ_CONNECT_ROUTING_ID
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#define ZMQ_TCP_ACCEPT_FILTER 38
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#define ZMQ_IPC_FILTER_PID 58
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#define ZMQ_IPC_FILTER_UID 59
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#define ZMQ_IPC_FILTER_GID 60
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#define ZMQ_IPV4ONLY 31
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#define ZMQ_DELAY_ATTACH_ON_CONNECT ZMQ_IMMEDIATE
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#define ZMQ_NOBLOCK ZMQ_DONTWAIT
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#define ZMQ_FAIL_UNROUTABLE ZMQ_ROUTER_MANDATORY
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#define ZMQ_ROUTER_BEHAVIOR ZMQ_ROUTER_MANDATORY
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/* Deprecated Message options */
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#define ZMQ_SRCFD 2
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/******************************************************************************/
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/* GSSAPI definitions */
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/******************************************************************************/
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/* GSSAPI principal name types */
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#define ZMQ_GSSAPI_NT_HOSTBASED 0
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#define ZMQ_GSSAPI_NT_USER_NAME 1
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#define ZMQ_GSSAPI_NT_KRB5_PRINCIPAL 2
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/******************************************************************************/
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/* 0MQ socket events and monitoring */
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/******************************************************************************/
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/* Socket transport events (TCP, IPC and TIPC only) */
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#define ZMQ_EVENT_CONNECTED 0x0001
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#define ZMQ_EVENT_CONNECT_DELAYED 0x0002
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#define ZMQ_EVENT_CONNECT_RETRIED 0x0004
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#define ZMQ_EVENT_LISTENING 0x0008
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#define ZMQ_EVENT_BIND_FAILED 0x0010
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#define ZMQ_EVENT_ACCEPTED 0x0020
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#define ZMQ_EVENT_ACCEPT_FAILED 0x0040
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#define ZMQ_EVENT_CLOSED 0x0080
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#define ZMQ_EVENT_CLOSE_FAILED 0x0100
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#define ZMQ_EVENT_DISCONNECTED 0x0200
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#define ZMQ_EVENT_MONITOR_STOPPED 0x0400
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#define ZMQ_EVENT_ALL 0xFFFF
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/* Unspecified system errors during handshake. Event value is an errno. */
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#define ZMQ_EVENT_HANDSHAKE_FAILED_NO_DETAIL 0x0800
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/* Handshake complete successfully with successful authentication (if *
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* enabled). Event value is unused. */
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#define ZMQ_EVENT_HANDSHAKE_SUCCEEDED 0x1000
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/* Protocol errors between ZMTP peers or between server and ZAP handler. *
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* Event value is one of ZMQ_PROTOCOL_ERROR_* */
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#define ZMQ_EVENT_HANDSHAKE_FAILED_PROTOCOL 0x2000
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/* Failed authentication requests. Event value is the numeric ZAP status *
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* code, i.e. 300, 400 or 500. */
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#define ZMQ_EVENT_HANDSHAKE_FAILED_AUTH 0x4000
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#define ZMQ_PROTOCOL_ERROR_ZMTP_UNSPECIFIED 0x10000000
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#define ZMQ_PROTOCOL_ERROR_ZMTP_UNEXPECTED_COMMAND 0x10000001
|
|
#define ZMQ_PROTOCOL_ERROR_ZMTP_INVALID_SEQUENCE 0x10000002
|
|
#define ZMQ_PROTOCOL_ERROR_ZMTP_KEY_EXCHANGE 0x10000003
|
|
#define ZMQ_PROTOCOL_ERROR_ZMTP_MALFORMED_COMMAND_UNSPECIFIED 0x10000011
|
|
#define ZMQ_PROTOCOL_ERROR_ZMTP_MALFORMED_COMMAND_MESSAGE 0x10000012
|
|
#define ZMQ_PROTOCOL_ERROR_ZMTP_MALFORMED_COMMAND_HELLO 0x10000013
|
|
#define ZMQ_PROTOCOL_ERROR_ZMTP_MALFORMED_COMMAND_INITIATE 0x10000014
|
|
#define ZMQ_PROTOCOL_ERROR_ZMTP_MALFORMED_COMMAND_ERROR 0x10000015
|
|
#define ZMQ_PROTOCOL_ERROR_ZMTP_MALFORMED_COMMAND_READY 0x10000016
|
|
#define ZMQ_PROTOCOL_ERROR_ZMTP_MALFORMED_COMMAND_WELCOME 0x10000017
|
|
#define ZMQ_PROTOCOL_ERROR_ZMTP_INVALID_METADATA 0x10000018
|
|
// the following two may be due to erroneous configuration of a peer
|
|
#define ZMQ_PROTOCOL_ERROR_ZMTP_CRYPTOGRAPHIC 0x11000001
|
|
#define ZMQ_PROTOCOL_ERROR_ZMTP_MECHANISM_MISMATCH 0x11000002
|
|
#define ZMQ_PROTOCOL_ERROR_ZAP_UNSPECIFIED 0x20000000
|
|
#define ZMQ_PROTOCOL_ERROR_ZAP_MALFORMED_REPLY 0x20000001
|
|
#define ZMQ_PROTOCOL_ERROR_ZAP_BAD_REQUEST_ID 0x20000002
|
|
#define ZMQ_PROTOCOL_ERROR_ZAP_BAD_VERSION 0x20000003
|
|
#define ZMQ_PROTOCOL_ERROR_ZAP_INVALID_STATUS_CODE 0x20000004
|
|
#define ZMQ_PROTOCOL_ERROR_ZAP_INVALID_METADATA 0x20000005
|
|
|
|
ZMQ_EXPORT void *zmq_socket (void *, int type_);
|
|
ZMQ_EXPORT int zmq_close (void *s_);
|
|
ZMQ_EXPORT int
|
|
zmq_setsockopt (void *s_, int option_, const void *optval_, size_t optvallen_);
|
|
ZMQ_EXPORT int
|
|
zmq_getsockopt (void *s_, int option_, void *optval_, size_t *optvallen_);
|
|
ZMQ_EXPORT int zmq_bind (void *s_, const char *addr_);
|
|
ZMQ_EXPORT int zmq_connect (void *s_, const char *addr_);
|
|
ZMQ_EXPORT int zmq_unbind (void *s_, const char *addr_);
|
|
ZMQ_EXPORT int zmq_disconnect (void *s_, const char *addr_);
|
|
ZMQ_EXPORT int zmq_send (void *s_, const void *buf_, size_t len_, int flags_);
|
|
ZMQ_EXPORT int
|
|
zmq_send_const (void *s_, const void *buf_, size_t len_, int flags_);
|
|
ZMQ_EXPORT int zmq_recv (void *s_, void *buf_, size_t len_, int flags_);
|
|
ZMQ_EXPORT int zmq_socket_monitor (void *s_, const char *addr_, int events_);
|
|
|
|
|
|
/******************************************************************************/
|
|
/* Deprecated I/O multiplexing. Prefer using zmq_poller API */
|
|
/******************************************************************************/
|
|
|
|
#define ZMQ_POLLIN 1
|
|
#define ZMQ_POLLOUT 2
|
|
#define ZMQ_POLLERR 4
|
|
#define ZMQ_POLLPRI 8
|
|
|
|
typedef struct zmq_pollitem_t
|
|
{
|
|
void *socket;
|
|
#if defined _WIN32
|
|
SOCKET fd;
|
|
#else
|
|
int fd;
|
|
#endif
|
|
short events;
|
|
short revents;
|
|
} zmq_pollitem_t;
|
|
|
|
#define ZMQ_POLLITEMS_DFLT 16
|
|
|
|
ZMQ_EXPORT int zmq_poll (zmq_pollitem_t *items_, int nitems_, long timeout_);
|
|
|
|
/******************************************************************************/
|
|
/* Message proxying */
|
|
/******************************************************************************/
|
|
|
|
ZMQ_EXPORT int zmq_proxy (void *frontend_, void *backend_, void *capture_);
|
|
ZMQ_EXPORT int zmq_proxy_steerable (void *frontend_,
|
|
void *backend_,
|
|
void *capture_,
|
|
void *control_);
|
|
|
|
/******************************************************************************/
|
|
/* Probe library capabilities */
|
|
/******************************************************************************/
|
|
|
|
#define ZMQ_HAS_CAPABILITIES 1
|
|
ZMQ_EXPORT int zmq_has (const char *capability_);
|
|
|
|
/* Deprecated aliases */
|
|
#define ZMQ_STREAMER 1
|
|
#define ZMQ_FORWARDER 2
|
|
#define ZMQ_QUEUE 3
|
|
|
|
/* Deprecated methods */
|
|
ZMQ_EXPORT int zmq_device (int type_, void *frontend_, void *backend_);
|
|
ZMQ_EXPORT int zmq_sendmsg (void *s_, zmq_msg_t *msg_, int flags_);
|
|
ZMQ_EXPORT int zmq_recvmsg (void *s_, zmq_msg_t *msg_, int flags_);
|
|
struct iovec;
|
|
ZMQ_EXPORT int
|
|
zmq_sendiov (void *s_, struct iovec *iov_, size_t count_, int flags_);
|
|
ZMQ_EXPORT int
|
|
zmq_recviov (void *s_, struct iovec *iov_, size_t *count_, int flags_);
|
|
|
|
/******************************************************************************/
|
|
/* Encryption functions */
|
|
/******************************************************************************/
|
|
|
|
/* Encode data with Z85 encoding. Returns encoded data */
|
|
ZMQ_EXPORT char *
|
|
zmq_z85_encode (char *dest_, const uint8_t *data_, size_t size_);
|
|
|
|
/* Decode data with Z85 encoding. Returns decoded data */
|
|
ZMQ_EXPORT uint8_t *zmq_z85_decode (uint8_t *dest_, const char *string_);
|
|
|
|
/* Generate z85-encoded public and private keypair with tweetnacl/libsodium. */
|
|
/* Returns 0 on success. */
|
|
ZMQ_EXPORT int zmq_curve_keypair (char *z85_public_key_, char *z85_secret_key_);
|
|
|
|
/* Derive the z85-encoded public key from the z85-encoded secret key. */
|
|
/* Returns 0 on success. */
|
|
ZMQ_EXPORT int zmq_curve_public (char *z85_public_key_,
|
|
const char *z85_secret_key_);
|
|
|
|
/******************************************************************************/
|
|
/* Atomic utility methods */
|
|
/******************************************************************************/
|
|
|
|
ZMQ_EXPORT void *zmq_atomic_counter_new (void);
|
|
ZMQ_EXPORT void zmq_atomic_counter_set (void *counter_, int value_);
|
|
ZMQ_EXPORT int zmq_atomic_counter_inc (void *counter_);
|
|
ZMQ_EXPORT int zmq_atomic_counter_dec (void *counter_);
|
|
ZMQ_EXPORT int zmq_atomic_counter_value (void *counter_);
|
|
ZMQ_EXPORT void zmq_atomic_counter_destroy (void **counter_p_);
|
|
|
|
/******************************************************************************/
|
|
/* Scheduling timers */
|
|
/******************************************************************************/
|
|
|
|
#define ZMQ_HAVE_TIMERS
|
|
|
|
typedef void(zmq_timer_fn) (int timer_id, void *arg);
|
|
|
|
ZMQ_EXPORT void *zmq_timers_new (void);
|
|
ZMQ_EXPORT int zmq_timers_destroy (void **timers_p);
|
|
ZMQ_EXPORT int
|
|
zmq_timers_add (void *timers, size_t interval, zmq_timer_fn handler, void *arg);
|
|
ZMQ_EXPORT int zmq_timers_cancel (void *timers, int timer_id);
|
|
ZMQ_EXPORT int
|
|
zmq_timers_set_interval (void *timers, int timer_id, size_t interval);
|
|
ZMQ_EXPORT int zmq_timers_reset (void *timers, int timer_id);
|
|
ZMQ_EXPORT long zmq_timers_timeout (void *timers);
|
|
ZMQ_EXPORT int zmq_timers_execute (void *timers);
|
|
|
|
|
|
/******************************************************************************/
|
|
/* These functions are not documented by man pages -- use at your own risk. */
|
|
/* If you need these to be part of the formal ZMQ API, then (a) write a man */
|
|
/* page, and (b) write a test case in tests. */
|
|
/******************************************************************************/
|
|
|
|
/* Helper functions are used by perf tests so that they don't have to care */
|
|
/* about minutiae of time-related functions on different OS platforms. */
|
|
|
|
/* Starts the stopwatch. Returns the handle to the watch. */
|
|
ZMQ_EXPORT void *zmq_stopwatch_start (void);
|
|
|
|
/* Returns the number of microseconds elapsed since the stopwatch was */
|
|
/* started, but does not stop or deallocate the stopwatch. */
|
|
ZMQ_EXPORT unsigned long zmq_stopwatch_intermediate (void *watch_);
|
|
|
|
/* Stops the stopwatch. Returns the number of microseconds elapsed since */
|
|
/* the stopwatch was started, and deallocates that watch. */
|
|
ZMQ_EXPORT unsigned long zmq_stopwatch_stop (void *watch_);
|
|
|
|
/* Sleeps for specified number of seconds. */
|
|
ZMQ_EXPORT void zmq_sleep (int seconds_);
|
|
|
|
typedef void(zmq_thread_fn) (void *);
|
|
|
|
/* Start a thread. Returns a handle to the thread. */
|
|
ZMQ_EXPORT void *zmq_threadstart (zmq_thread_fn *func_, void *arg_);
|
|
|
|
/* Wait for thread to complete then free up resources. */
|
|
ZMQ_EXPORT void zmq_threadclose (void *thread_);
|
|
|
|
|
|
/******************************************************************************/
|
|
/* These functions are DRAFT and disabled in stable releases, and subject to */
|
|
/* change at ANY time until declared stable. */
|
|
/******************************************************************************/
|
|
|
|
#ifdef ZMQ_BUILD_DRAFT_API
|
|
|
|
/* DRAFT Socket types. */
|
|
#define ZMQ_SERVER 12
|
|
#define ZMQ_CLIENT 13
|
|
#define ZMQ_RADIO 14
|
|
#define ZMQ_DISH 15
|
|
#define ZMQ_GATHER 16
|
|
#define ZMQ_SCATTER 17
|
|
#define ZMQ_DGRAM 18
|
|
|
|
/* DRAFT Socket options. */
|
|
#define ZMQ_ZAP_ENFORCE_DOMAIN 93
|
|
#define ZMQ_LOOPBACK_FASTPATH 94
|
|
#define ZMQ_METADATA 95
|
|
#define ZMQ_MULTICAST_LOOP 96
|
|
#define ZMQ_ROUTER_NOTIFY 97
|
|
#define ZMQ_XPUB_MANUAL_LAST_VALUE 98
|
|
#define ZMQ_SOCKS_USERNAME 99
|
|
#define ZMQ_SOCKS_PASSWORD 100
|
|
#define ZMQ_IN_BATCH_SIZE 101
|
|
#define ZMQ_OUT_BATCH_SIZE 102
|
|
|
|
/* DRAFT Context options */
|
|
#define ZMQ_ZERO_COPY_RECV 10
|
|
|
|
/* DRAFT Socket methods. */
|
|
ZMQ_EXPORT int zmq_join (void *s, const char *group);
|
|
ZMQ_EXPORT int zmq_leave (void *s, const char *group);
|
|
|
|
/* DRAFT Msg methods. */
|
|
ZMQ_EXPORT int zmq_msg_set_routing_id (zmq_msg_t *msg, uint32_t routing_id);
|
|
ZMQ_EXPORT uint32_t zmq_msg_routing_id (zmq_msg_t *msg);
|
|
ZMQ_EXPORT int zmq_msg_set_group (zmq_msg_t *msg, const char *group);
|
|
ZMQ_EXPORT const char *zmq_msg_group (zmq_msg_t *msg);
|
|
|
|
/* DRAFT Msg property names. */
|
|
#define ZMQ_MSG_PROPERTY_ROUTING_ID "Routing-Id"
|
|
#define ZMQ_MSG_PROPERTY_SOCKET_TYPE "Socket-Type"
|
|
#define ZMQ_MSG_PROPERTY_USER_ID "User-Id"
|
|
#define ZMQ_MSG_PROPERTY_PEER_ADDRESS "Peer-Address"
|
|
|
|
/* Router notify options */
|
|
#define ZMQ_NOTIFY_CONNECT 1
|
|
#define ZMQ_NOTIFY_DISCONNECT 2
|
|
|
|
/******************************************************************************/
|
|
/* Poller polling on sockets,fd and thread-safe sockets */
|
|
/******************************************************************************/
|
|
|
|
#define ZMQ_HAVE_POLLER
|
|
|
|
#if defined _WIN32
|
|
typedef SOCKET zmq_fd_t;
|
|
#else
|
|
typedef int zmq_fd_t;
|
|
#endif
|
|
|
|
typedef struct zmq_poller_event_t
|
|
{
|
|
void *socket;
|
|
zmq_fd_t fd;
|
|
void *user_data;
|
|
short events;
|
|
} zmq_poller_event_t;
|
|
|
|
ZMQ_EXPORT void *zmq_poller_new (void);
|
|
ZMQ_EXPORT int zmq_poller_destroy (void **poller_p);
|
|
ZMQ_EXPORT int
|
|
zmq_poller_add (void *poller, void *socket, void *user_data, short events);
|
|
ZMQ_EXPORT int zmq_poller_modify (void *poller, void *socket, short events);
|
|
ZMQ_EXPORT int zmq_poller_remove (void *poller, void *socket);
|
|
ZMQ_EXPORT int
|
|
zmq_poller_wait (void *poller, zmq_poller_event_t *event, long timeout);
|
|
ZMQ_EXPORT int zmq_poller_wait_all (void *poller,
|
|
zmq_poller_event_t *events,
|
|
int n_events,
|
|
long timeout);
|
|
ZMQ_EXPORT int zmq_poller_fd (void *poller, zmq_fd_t *fd);
|
|
|
|
ZMQ_EXPORT int
|
|
zmq_poller_add_fd (void *poller, zmq_fd_t fd, void *user_data, short events);
|
|
ZMQ_EXPORT int zmq_poller_modify_fd (void *poller, zmq_fd_t fd, short events);
|
|
ZMQ_EXPORT int zmq_poller_remove_fd (void *poller, zmq_fd_t fd);
|
|
|
|
ZMQ_EXPORT int zmq_socket_get_peer_state (void *socket,
|
|
const void *routing_id,
|
|
size_t routing_id_size);
|
|
|
|
/* DRAFT Socket monitoring events */
|
|
#define ZMQ_EVENT_PIPES_STATS 0x10000
|
|
|
|
#define ZMQ_CURRENT_EVENT_VERSION 1
|
|
#define ZMQ_CURRENT_EVENT_VERSION_DRAFT 2
|
|
|
|
#define ZMQ_EVENT_ALL_V1 ZMQ_EVENT_ALL
|
|
#define ZMQ_EVENT_ALL_V2 ZMQ_EVENT_ALL_V1 | ZMQ_EVENT_PIPES_STATS
|
|
|
|
ZMQ_EXPORT int zmq_socket_monitor_versioned (
|
|
void *s_, const char *addr_, uint64_t events_, int event_version_, int type_);
|
|
ZMQ_EXPORT int zmq_socket_monitor_pipes_stats (void *s);
|
|
|
|
#endif // ZMQ_BUILD_DRAFT_API
|
|
|
|
|
|
#undef ZMQ_EXPORT
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif
|