debian man page for explain_adjtime_or_die

explain_adjtime_or_die(3)				     Library Functions Manual					 explain_adjtime_or_die(3)

NAME
       explain_adjtime_or_die - smoothly tune kernel clock and report errors

SYNOPSIS
       #include <libexplain/adjtime.h>
       void explain_adjtime_or_die(const struct timeval *delta, struct timeval *olddelta);
       int explain_adjtime_on_error(const struct timeval *delta, struct timeval *olddelta);

DESCRIPTION
       The  explain_adjtime_or_die  function  is  used	to  call  the adjtime(2) system call. On failure an explanation will be printed to stderr,
       obtained from the explain_adjtime(3) function, and then the process terminates by calling exit(EXIT_FAILURE).

       The explain_adjtime_on_error function is used to call the adjtime(2) system call. On failure an explanation  will  be  printed  to  stderr,
       obtained from the explain_adjtime(3) function, but still returns to the caller.

       delta   The delta, exactly as to be passed to the adjtime(2) system call.

       olddelta
	       The olddelta, exactly as to be passed to the adjtime(2) system call.

RETURN VALUE
       The  explain_adjtime_or_die  function  only  returns on success, see adjtime(2) for more information. On failure, prints an explanation and
       exits, it does not return.

       The explain_adjtime_on_error function always returns the value return by the wrapped adjtime(2) system call.

EXAMPLE
       The explain_adjtime_or_die function is intended to be used in a fashion similar to the following example:
	      explain_adjtime_or_die(delta, olddelta);

SEE ALSO
       adjtime(2)
	       smoothly tune kernel clock

       explain_adjtime(3)
	       explain adjtime(2) errors

       exit(2) terminate the calling process

COPYRIGHT
       libexplain version 0.52
       Copyright (C) 2009 Peter Miller

															 explain_adjtime_or_die(3)