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construct/include/ircd/ios.h
2017-12-29 15:53:39 -07:00

69 lines
2.1 KiB
C++

/*
* Copyright (C) 2017 Charybdis Development Team
* Copyright (C) 2017 Jason Volk <jason@zemos.net>
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice is present in all copies.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#define HAVE_IRCD_IOS_H
/// Forward declarations for boost::asio because it is not included here.
///
/// Boost headers are not exposed to our users unless explicitly included by a
/// definition file. Other libircd headers may extend this namespace with more
/// forward declarations.
namespace boost::asio
{
struct io_context;
}
namespace ircd
{
/// Alias so that asio:: can be used
namespace asio = boost::asio;
/// A record of the thread ID when static initialization took place (for ircd.cc)
extern const std::thread::id static_thread_id;
/// The thread ID of the main IRCd thread running the event loop.
extern std::thread::id thread_id;
/// The user's io_service
extern asio::io_context *ios;
/// IRCd's strand of the io_service
struct strand extern *strand;
bool is_main_thread();
void assert_main_thread();
void post(std::function<void ()>);
void dispatch(std::function<void ()>);
}
inline void
ircd::assert_main_thread()
{
assert(is_main_thread());
}
inline bool
ircd::is_main_thread()
{
return std::this_thread::get_id() == ircd::thread_id;
}