Re: [Libguestfs] [libnbd PATCH v4 2/3] lib/utils: add async-signal-safe assert()
On 3/15/23 18:18, Eric Blake wrote:
On Wed, Mar 15, 2023 at 12:01:56PM +0100, Laszlo Ersek wrote:
> Add an assert() variant that we may call between fork() and exec*().
>
> Signed-off-by: Laszlo Ersek <lersek(a)redhat.com>
> ---
>
> +void
> +nbd_internal_fork_safe_assert (int result, const char *file, long line,
> + const char *func, const char *assertion)
> +{
> + const char *line_out;
> + char line_buf[32];
> +
> + if (result)
> + return;
> +
> + line_out = nbd_internal_fork_safe_itoa (line, line_buf, sizeof line_buf);
> + xwritel (STDERR_FILENO, file, ":", line_out, ": ", func,
": Assertion `",
> + assertion, "' failed.\n", (char *)NULL);
xwritel() makes this so much shorter ;)
I know, right? :)
Reviewed-by: Eric Blake <eblake(a)redhat.com>
Thanks!