[sheepdog] [PATCH] sheep: let sheep return correct exit status when locking a base directory fails

[MORITA Kazutaka]

> 
> @@ -402,36 +407,51 @@ static int lock_and_daemon(bool daemonize, const char *base_dir)
>  			panic("fork() failed during daemonize: %m");
>  			break;
>  		default:
> -			exit(0);
> +			ret = read(pipefd[0], &status, sizeof(status));
> +			if (ret != sizeof(status))
> +				panic("read exit status failed: %m");
> +
> +			exit(status);
>  			break;
>  		}
>  
> -		if (setsid() == -1)
> -			panic("becoming a leader of a new session failed: %m");
> +		if (setsid() == -1) {
> +			sd_eprintf("becoming a leader of a new session"
> +				" failed: %m");
> +			status = 1;
> +			goto end;
> +		}
>  
>  		switch (fork()) {
>  		case 0:
>  			break;
>  		case -1:
> -			panic("fork() failed during daemonize: %m");
> -			break;
> +			sd_eprintf("fork() failed during daemonize: %m");
> +			goto end;
>  		default:

I think we need to set 'status' to 1 here.

Thanks,

Kazutaka