#ifndef OSDRVUTIL_HPP
#define OSDRVUTIL_HPP

#include <string>

namespace drvutil {

// Get a system error message, in an OS-independent manner.
//
std::string strerror_str(int errnum);

// Get the amount of time elapsed since program start.
//
// This is guaranteed to be monotonically increasing.  It is not
// guaranteed to be accurate.  Error could gradually accumulate over
// time.
//
double get_monotonic_clock();

} // namespace drvutil

#endif // OSDRVUTIL_HPP