mirror of
https://github.com/matrix-construct/construct
synced 2024-10-31 19:08:59 +01:00
53 lines
1.4 KiB
C++
53 lines
1.4 KiB
C++
// The Construct
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//
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// Copyright (C) The Construct Developers, Authors & Contributors
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// Copyright (C) 2016-2020 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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namespace boost::context
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{
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struct stack_context;
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}
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namespace boost::coroutines
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{
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struct stack_context;
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}
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namespace ircd::ctx
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{
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struct stack;
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}
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struct ircd::ctx::stack
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{
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struct allocator;
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mutable_buffer buf; // complete allocation
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uintptr_t base {0}; // base frame pointer
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size_t max {0}; // User given stack size
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size_t at {0}; // Updated for profiling at sleep
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size_t peak {0}; // Updated for profiling; maximum
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stack(const mutable_buffer &) noexcept;
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static const stack &get(const ctx &) noexcept;
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static stack &get(ctx &) noexcept;
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};
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struct [[gnu::visibility("hidden")]]
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ircd::ctx::stack::allocator
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{
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mutable_buffer &buf;
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bool owner {false};
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void deallocate(boost::coroutines::stack_context &) noexcept;
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void allocate(boost::coroutines::stack_context &, size_t size);
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void deallocate(boost::context::stack_context &) noexcept;
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boost::context::stack_context allocate();
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};
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