f3eade2f62
Drop the AGPL license in favor of a source-available license. See the blog post [1] for details. [1] https://www.scylladb.com/2024/12/18/why-were-moving-to-a-source-available-license/
33 lines
642 B
C++
33 lines
642 B
C++
/*
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* SPDX-License-Identifier: LicenseRef-ScyllaDB-Source-Available-1.0
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*
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* Copyright (C) 2021-present ScyllaDB
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*
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*/
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#pragma once
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#include "seastarx.hh"
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#include <seastar/core/semaphore.hh>
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namespace service {
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class memory_limiter final {
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size_t _mem_total;
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semaphore _sem;
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public:
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memory_limiter(size_t available_memory) noexcept
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: _mem_total(available_memory / 10)
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, _sem(_mem_total) {}
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future<> stop() {
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return _sem.wait(_mem_total);
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}
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size_t total_memory() const noexcept { return _mem_total; }
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semaphore& get_semaphore() noexcept { return _sem; }
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};
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} // namespace service
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