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https://github.com/matrix-construct/construct
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36 lines
1.3 KiB
C
36 lines
1.3 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) 2016-2018 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_CTX_STACK_USAGE_ASSERTION_H
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namespace ircd::ctx::this_ctx
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{
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struct stack_usage_assertion;
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size_t stack_at_here() __attribute__((noinline));
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}
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/// An instance of stack_usage_assertion is placed on a ctx stack where one
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/// wants to test the stack usage at both construction and destruction points
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/// to ensure it is less than the value set in ctx::prof::settings which is
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/// generally some engineering safety factor of 2-3 etc. This should not be
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/// entirely relied upon except during debug builds, however we may try to
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/// provide an optimized build mode enabling these to account for any possible
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/// differences in the stack between the environments.
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///
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struct ircd::ctx::this_ctx::stack_usage_assertion
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{
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#ifndef NDEBUG
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stack_usage_assertion();
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~stack_usage_assertion() noexcept;
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#endif
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};
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