From: Junio C Hamano <gitster@pobox.com>
Date: Mon, 10 Feb 2014 18:46:04 GMT
Subject: Re: [PATCH v2 1/2] daemon: move daemonize() to libgit.a
Message-ID: <xmqqha86st5f.fsf@gitster.dls.corp.google.com>
In-Reply-To: <1391843332-20583-1-git-send-email-pclouds@gmail.com>

Nguyễn Thái Ngọc Duy  <pclouds@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
> +}