Re: [PATCH 9/9] Use timer_settime for new platforms

> setitimer() is an obsolescent XSI interface and may be removed in a
> future standard. Applications should use the core POSIX timer_settime()
> instead.
>
> This patch cleans up the progress reporting and changes it to try using
> timer_settime, or if that fails, setitimer. If either function is not
> provided by the system, then git-compat-util.h provides replacements
> that always fail with ENOSYS.
>
> It's important that code doesn't simply check if timer_settime is
> available as it can give false positives. Some systems like contemporary
> OpenBSD provides the function, but it unconditionally fails with ENOSYS
> at runtime.
>
> This approach allows the code using timer_settime() and setitimer() to
> be simple and readable. My first attempt used #ifdef around each use of
> timer_settime(), this quickly turned a into unmaintainable maze of
> preprocessor conditionals.
>
> Signed-off-by: Jonas 'Sortie' Termansen <sortie@maxsi.org>
> ---
>  builtin/log.c | 47 ++++++++++++++++++++++++++++++++++++++++-------
>  progress.c    | 34 +++++++++++++++++++++++++++-------
>  2 files changed, 67 insertions(+), 14 deletions(-)