lix/src/libutil/cgroup.hh
Eelco Dolstra 1e6a5d1ff6 Clean up cgroup handling in getMaxCPU()
Also, don't assume in LocalDerivationGoal that cgroups are mounted on
/sys/fs/cgroup.
2022-12-02 12:59:13 +01:00

30 lines
585 B
C++

#pragma once
#if __linux__
#include <chrono>
#include <optional>
#include "types.hh"
namespace nix {
std::optional<Path> getCgroupFS();
std::map<std::string, std::string> getCgroups(const Path & cgroupFile);
struct CgroupStats
{
std::optional<std::chrono::microseconds> cpuUser, cpuSystem;
};
/* Destroy the cgroup denoted by 'path'. The postcondition is that
'path' does not exist, and thus any processes in the cgroup have
been killed. Also return statistics from the cgroup just before
destruction. */
CgroupStats destroyCgroup(const Path & cgroup);
}
#endif