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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#pragma once
#include <cstdint>
namespace vespalib {
/*
* Class for getting resource limits. Memory limit is first sampled by
* using sysconf to get page size and number of physical pages.
* Cpu limit is first sampled by calling std::thread::hardware_concurrency().
* Both limits can be adjusted downwards by applying some of the cgroup limits
* for the current process, cf. CGroupResourceLimits).
*/
class ResourceLimits {
uint64_t _memory;
uint32_t _cpu;
ResourceLimits(uint64_t memory, uint32_t cpu);
public:
static ResourceLimits create();
uint64_t memory() const noexcept { return _memory; }
uint32_t cpu() const noexcept { return _cpu; }
};
}
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