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construct/include/ircd/fs/wait.h
2019-04-07 17:59:52 -07:00

46 lines
1.1 KiB
C++

// Matrix Construct
//
// Copyright (C) Matrix Construct Developers, Authors & Contributors
// Copyright (C) 2016-2019 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_FS_WAIT_H
namespace ircd::fs
{
enum class ready :uint8_t;
struct wait_opts extern const wait_opts_default;
string_view reflect(const ready &);
void wait(const fd &, const wait_opts &);
}
enum class ircd::fs::ready
:uint8_t
{
ANY, ///< Wait for anything.
READ, ///< Ready for read().
WRITE, ///< Ready for write().
ERROR, ///< Has error.
};
/// Options for a write operation
struct ircd::fs::wait_opts
:opts
{
enum ready ready;
wait_opts(const enum ready &ready = ready::ANY);
};
inline
ircd::fs::wait_opts::wait_opts(const enum ready &ready)
:opts{0, op::WAIT}
,ready{ready}
{}