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INITTODR(9) Kernel Developer's Manual INITTODR(9)

inittodrinitialize system time

inittodr(time_t base);

The inittodr() function determines the time and sets the system clock. It tries to pick the correct time using a set of heuristics that examine the system's battery-backed clock and the time reported by the file system, as given in base. Those heuristics include:

Once a system time has been determined, it is passed to the tc_setclock() function.

The inittodr() function prints diagnostic messages if it has trouble figuring out the system time. Conditions that can cause diagnostic messages to be printed include:

resettodr(9), time_second(9)

Each system's heuristics for picking the correct time are slightly different.

April 3, 2016 OpenBSD-current