[Sheepdog] [PATCH] logger: correct crash_handler output

[Christoph Hellwig]

On Sat, Apr 28, 2012 at 08:46:58PM +0800, Liu Yuan wrote:
> From: Liu Yuan <tailai.ly at taobao.com>
> 
> 'pid' is always 0 in logger process. So it is useless to
> output it.
> 
> - fix logger pid output.
> 
> Signed-off-by: Liu Yuan <tailai.ly at taobao.com>
> ---
>  lib/logger.c |    4 ++--
>  1 files changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/lib/logger.c b/lib/logger.c
> index 05e62a0..e9c773c 100644
> --- a/lib/logger.c
> +++ b/lib/logger.c
> @@ -385,10 +385,10 @@ static notrace void crash_handler(int signo)
>  		vprintf(SDOG_ERR, "logger pid %d segfaulted.\n",
>  			getpid());
>  	} else if (signo == SIGHUP) {
> -		vprintf(SDOG_ERR, "sheep pid %d exited unexpectedly.\n", pid);
> +		vprintf(SDOG_ERR, "sheep exited unexpectedly.\n");

We'd still like to print the pid of the died sheep pid - getppid()
should do that work for that.