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INITTODR (9) | Kernel routines | Unix Manual Pages | :man

NAME

inittodr - initialize system time

CONTENTS

Synopsis
Description
Diagnostics
See Also
Bugs

SYNOPSIS


.In sys/types.h
.In sys/systm.h void inittodr "time_t base"

DESCRIPTION

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 obtained from the root file system, as given in base. How the base value is obtained will vary depending on the root file system type. The heuristics used include:
  • If the battery-backed clock has a valid time, it is used.
  • If the battery-backed clock does not have a valid time, the time provided in base will be used.

Once a system time has been determined, it is stored in the time variable.

DIAGNOSTICS

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:
  • The battery-backed clock’s time appears nonsensical.

SEE ALSO

resettodr(9), time(9)

BUGS


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