int explain_timerfd_create_or_die(int clockid, int flags);
int explain_timerfd_create_on_error(int clockid, int flags);
DESCRIPTION
The explain_timerfd_create_or_die function is used to call the
timerfd_create(2) system call. On failure an explanation will be
printed to stderr, obtained from the
explain_timerfd_create(3) function, and then the process terminates
by calling exit(EXIT_FAILURE).
The explain_timerfd_create_on_error function is used to call the
timerfd_create(2) system call. On failure an explanation will be
printed to stderr, obtained from the
explain_timerfd_create(3) function, but still returns to the
caller.
clockid
The clockid, exactly as to be passed to the timerfd_create(2)
system call.
flags
The flags, exactly as to be passed to the timerfd_create(2) system
call.
RETURN VALUE
The explain_timerfd_create_or_die function only returns on success,
see timerfd_create(2) for more information. On failure, prints an
explanation and exits, it does not return.
The explain_timerfd_create_on_error function always returns the
value return by the wrapped timerfd_create(2) system call.
EXAMPLE
The explain_timerfd_create_or_die function is intended to be used
in a fashion similar to the following example:
int result = explain_timerfd_create_or_die(clockid, flags);