mirror of
https://github.com/matrix-construct/construct
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48 lines
1.2 KiB
C
48 lines
1.2 KiB
C
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// Matrix Construct
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//
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// Copyright (C) Matrix Construct Developers, Authors & Contributors
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// Copyright (C) 2016-2019 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_CTX_SYSCALL_USAGE_WARNING_H
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namespace ircd::ctx::this_ctx
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{
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struct syscall_usage_warning;
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}
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#ifndef NDEBUG
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struct ircd::ctx::this_ctx::syscall_usage_warning
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{
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const string_view fmt;
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const va_rtti ap;
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ircd::prof::syscall_timer timer;
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template<class... args>
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syscall_usage_warning(const string_view &fmt, args&&... a)
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:syscall_usage_warning{fmt, va_rtti{std::forward<args>(a)...}}
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{}
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explicit syscall_usage_warning(const string_view &fmt, va_rtti &&ap)
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:fmt{fmt}
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,ap{std::move(ap)}
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{}
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~syscall_usage_warning() noexcept;
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};
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#else
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struct ircd::ctx::this_ctx::syscall_usage_warning
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{
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syscall_usage_warning(const string_view &fmt, ...)
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{
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// In at least gcc 6.3.0 20170519, template param packs are not DCE'ed
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// so legacy varargs are used here.
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}
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};
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#endif
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