emsApplication/sdk/include/zmqpp/signal.hpp

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2024-05-24 12:29:09 +08:00
/*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file is part of zmqpp.
* Copyright (c) 2011-2015 Contributors as noted in the AUTHORS file.
*/
#pragma once
#include <cstdint>
#include <iostream>
#include "compatibility.hpp"
namespace zmqpp
{
/**
* Signal is a 8 bytes integer. 7 first bytes acts as a magic number so we can distinguish signal
* from other message. The last byte is the signal's value.
*/
ZMQPP_COMPARABLE_ENUM signal : int64_t
{
/**
* Only 7 bytes matter here
*/
header = 0x0077665544332211L,
/**
* Indicates a success.
*/
ok = (header << 8) | 0x00,
/**
* Indicates an error.
*/
ko = (header << 8) | 0x01,
/**
* Indicates a request to stop. This is used from parent thread to child within the actor class
*/
stop = (header << 8) | 0x02,
test = (header << 8) | 0xFF
};
}
namespace std
{
/**
* Write the value of the signal to the stream without removing the signal header..
*/
ZMQPP_EXPORT ostream &operator<<(ostream &s, const zmqpp::signal &sig);
}