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| explain_adjtimex_or_die(3) | FreeBSD Library Functions Manual | explain_adjtimex_or_die(3) |
NAME
explain_adjtimex_or_die - tune kernel clock and report errorsSYNOPSIS
#include <libexplain/adjtimex.h>int explain_adjtimex_or_die(struct timex *data);
int explain_adjtimex_on_error(struct timex *data);
DESCRIPTION
The explain_adjtimex_or_die function is used to call the adjtimex(2) system call. On failure an explanation will be printed to stderr, obtained from the explain_adjtimex(3) function, and then the process terminates by calling exit(EXIT_FAILURE).The explain_adjtimex_on_error function is used to call the adjtimex(2) system call. On failure an explanation will be printed to stderr, obtained from the explain_adjtimex(3) function, but still returns to the caller.
- data
- The data, exactly as to be passed to the adjtimex(2) system call.
RETURN VALUE
The explain_adjtimex_or_die function only returns on success, see adjtimex(2) for more information. On failure, prints an explanation and exits, it does not return.The explain_adjtimex_on_error function always returns the value return by the wrapped adjtimex(2) system call.
EXAMPLE
The explain_adjtimex_or_die function is intended to be used in a fashion similar to the following example:int result = explain_adjtimex_or_die(data);
SEE ALSO
- adjtimex(2)
- tune kernel clock
- explain_adjtimex(3)
- explain adjtimex(2) errors
- exit(2)
- terminate the calling process
COPYRIGHT
libexplain version 1.3Copyright (C) 2009 Peter Miller
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