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Re: [PATCH] Add some debugging printfs to linux-nat.c
- From: Gary Benson <gbenson at redhat dot com>
- To: gdb-patches at sourceware dot org
- Date: Mon, 1 Sep 2014 10:03:12 +0100
- Subject: Re: [PATCH] Add some debugging printfs to linux-nat.c
- Authentication-results: sourceware.org; auth=none
- References: <m34mwsv6rd dot fsf at sspiff dot org>
Hi Doug,
Doug Evans wrote:
> I found these useful when debugging 17247,17314.
>
> 2014-08-31 Doug Evans <xdje42@gmail.com>
>
> * linux-nat.c (wait_lwp): Add debugging printf.
> (linux_nat_wait_1): Ditto.
>
> diff --git a/gdb/linux-nat.c b/gdb/linux-nat.c
> index 0898442..557c84b 100644
> --- a/gdb/linux-nat.c
> +++ b/gdb/linux-nat.c
> @@ -2311,6 +2311,8 @@ wait_lwp (struct lwp_info *lp)
> again before it gets to sigsuspend so we can safely let the handlers
> get executed here. */
>
> + if (debug_linux_nat)
> + fprintf_unfiltered (gdb_stdlog, "WL: about to sigsuspend\n");
> sigsuspend (&suspend_mask);
> }
>
> @@ -3441,6 +3443,8 @@ retry:
> gdb_assert (lp == NULL);
>
> /* Block until we get an event reported with SIGCHLD. */
> + if (debug_linux_nat)
> + fprintf_unfiltered (gdb_stdlog, "LNW: about to sigsuspend\n");
> sigsuspend (&suspend_mask);
> }
Please use debug_printf.
Thanks,
Gary
--
http://gbenson.net/