mirror of
https://github.com/matrix-construct/construct
synced 2024-11-05 13:28:54 +01:00
36 lines
1.3 KiB
C
36 lines
1.3 KiB
C
|
// Matrix Construct
|
||
|
|
//
|
||
|
|
// Copyright (C) Matrix Construct Developers, Authors & Contributors
|
||
|
|
// Copyright (C) 2016-2018 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_CTX_STACK_USAGE_ASSERTION_H
|
||
|
|
|
||
|
|
namespace ircd::ctx::this_ctx
|
||
|
|
{
|
||
|
|
struct stack_usage_assertion;
|
||
|
|
|
||
|
|
size_t stack_at_here() __attribute__((noinline));
|
||
|
|
}
|
||
|
|
|
||
|
|
/// An instance of stack_usage_assertion is placed on a ctx stack where one
|
||
|
|
/// wants to test the stack usage at both construction and destruction points
|
||
|
|
/// to ensure it is less than the value set in ctx::prof::settings which is
|
||
|
|
/// generally some engineering safety factor of 2-3 etc. This should not be
|
||
|
|
/// entirely relied upon except during debug builds, however we may try to
|
||
|
|
/// provide an optimized build mode enabling these to account for any possible
|
||
|
|
/// differences in the stack between the environments.
|
||
|
|
///
|
||
|
|
struct ircd::ctx::this_ctx::stack_usage_assertion
|
||
|
|
{
|
||
|
|
#ifndef NDEBUG
|
||
|
|
stack_usage_assertion();
|
||
|
|
~stack_usage_assertion() noexcept;
|
||
|
|
#endif
|
||
|
|
};
|