mirror of
https://github.com/matrix-construct/construct
synced 2024-11-26 08:42:34 +01:00
59 lines
1.5 KiB
C++
59 lines
1.5 KiB
C++
// The Construct
|
|
//
|
|
// Copyright (C) The Construct Developers, Authors & Contributors
|
|
// Copyright (C) 2016-2023 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. The
|
|
// full license for this software is available in the LICENSE file.
|
|
|
|
#pragma once
|
|
#define HAVE_IRCD_M_VM_NOTIFY_H
|
|
|
|
namespace ircd::m::vm::notify
|
|
{
|
|
struct future;
|
|
|
|
using value_type = std::pair<const event::id, ctx::promise<> *>;
|
|
using alloc_type = allocator::node<value_type>;
|
|
using map_type = std::multimap<const event::id, ctx::promise<> *, std::less<>, alloc_type::allocator>;
|
|
using node_type = std::pair<map_type::node_type, value_type>;
|
|
|
|
extern map_type map;
|
|
|
|
size_t wait(const vector_view<const event::id> &, const milliseconds);
|
|
bool wait(const event::id &, const milliseconds);
|
|
}
|
|
|
|
class ircd::m::vm::notify::future
|
|
:public ctx::future<>
|
|
{
|
|
node_type node;
|
|
ctx::promise<> promise;
|
|
unique_iterator<map_type> it;
|
|
|
|
public:
|
|
future(const event::id &);
|
|
future(future &&) = delete;
|
|
future(const future &) = delete;
|
|
};
|
|
|
|
/// Yields ctx until event was successfully evaluated. Returns false if
|
|
/// timeout occurred.
|
|
inline bool
|
|
ircd::m::vm::notify::wait(const event::id &event_id,
|
|
const milliseconds to)
|
|
{
|
|
const vector_view<const event::id> vector
|
|
(
|
|
&event_id, 1
|
|
);
|
|
|
|
const auto count
|
|
{
|
|
wait(vector, to)
|
|
};
|
|
|
|
return count;
|
|
}
|