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// Copyright 2017 Yahoo Holdings. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#pragma once
#include <vespa/vespalib/stllike/string.h>
#include <vespa/fastos/timestamp.h>
#include <sys/resource.h>
namespace vespalib {
class RUsage : private rusage {
public:
/**
* Create an rusage with all member set to zero.
**/
RUsage();
/**
* Will create an RUsage and initialize member with RUSAGE_SELF
**/
static RUsage createSelf();
static RUsage createSelf(const fastos::TimeStamp & since);
/**
* Will create an RUsage and initialize member with RUSAGE_CHILDREN
**/
static RUsage createChildren();
static RUsage createChildren(const fastos::TimeStamp & since);
/**
* Will create an RUsage and initialize member with RUSAGE_CHILDREN
**/
vespalib::string toString();
RUsage & operator -= (const RUsage & rhs);
private:
fastos::TimeStamp _time;
};
RUsage operator -(const RUsage & a, const RUsage & b);
timeval operator -(const timeval & a, const timeval & b);
}
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