43 lines
1.3 KiB
C++
43 lines
1.3 KiB
C++
// Matrix Construct
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//
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// Copyright (C) Matrix Construct Developers, Authors & Contributors
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// Copyright (C) 2016-2018 Jason Volk <jason@zemos.net>
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//
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// Permission to use, copy, modify, and/or distribute this software for any
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// purpose with or without fee is hereby granted, provided that the above
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// copyright notice and this permission notice is present in all copies. The
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// full license for this software is available in the LICENSE file.
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#pragma once
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#define HAVE_IRCD_FS_SUPPORT_H
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namespace ircd::fs::support
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{
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// Runtime-gauged support indicators
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extern const bool pwritev2;
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extern const bool preadv2;
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extern const bool append;
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extern const bool nowait;
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extern const bool hipri;
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extern const bool sync;
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extern const bool dsync;
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extern const bool rwh_write_life;
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extern const bool rwf_write_life;
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extern const bool aio;
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extern const bool aio_fsync;
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extern const bool aio_fdsync;
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extern const bool iou;
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// Test if O_DIRECT supported at target path
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bool direct_io(const string_view &path);
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// Test if fallocate() is supported at target path
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bool fallocate(const string_view &path, const write_opts &wopts = write_opts_default);
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size_t rlimit_nofile(); // Get the limit for number of opened files
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size_t rlimit_fsize(); // Get the limit for a file's size
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// Dump information to infolog
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void dump_info();
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}
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