Nguyễn Thái Ngọc Duy <pclo...@gmail.com> writes:
> diff --git a/setup.c b/setup.c
> index 6c3f85f..b09a412 100644
> --- a/setup.c
> +++ b/setup.c
> @@ -787,3 +787,27 @@ void sanitize_stdfds(void)
> if (fd > 2)
> close(fd);
> }
> +
> +int daemonize(void)
> +{
> +#ifdef NO_POSIX_GOODIES
> + errno = -ENOSYS;
Negated?
> + return -1;
> +#else
> + switch (fork()) {
> + case 0:
> + break;
> + case -1:
> + die_errno("fork failed");
> + default:
> + exit(0);
> + }
> + if (setsid() == -1)
> + die_errno("setsid failed");
> + close(0);
> + close(1);
> + close(2);
> + sanitize_stdfds();
> + return 0;
> +#endif
> +}
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