[PATCH] Disable thread specific breakpoints when thread dies

[Andrew STUBBS]

Ping.

Since valid_thread_id did not work am I OK to commit this one. It has 
been on hold since mid Novemeber.

Thanks

Andrew

Andrew Stubbs wrote:
> Daniel Jacobowitz wrote:
> 
>> On Wed, Nov 16, 2005 at 02:52:17PM +0000, Andrew STUBBS wrote:
>>
>>> +      /* There is no point inserting thread-specific breakpoints if the
>>> +     thread no longer exists.  */
>>> +      if (b->owner->thread != -1
>>> +      && !target_thread_alive(thread_id_to_pid(b->owner->thread)))
>>> +    continue;
>>
>>
>>
>> You shouldn't need to use the target method here.  Does valid_thread_id
>> work?
>>
>> Also, please remember the space before opening parentheses.
> 
> 
> The thread still seems to have a valid ID after it has died. You can 
> even do 'b 8 t 4' after the program has exited. It does give an error 
> for threads which never existed though.
> 
> Here is the patch again with the spaces fixed.
> 
> Andrew
> 
> 
> 
> ------------------------------------------------------------------------
> 
> 2005-11-17  Andrew Stubbs  <andrew.stubbs@st.com>
> 
> 	* breakpoint.c (insert_breakpoints): Check that a thread exists
> 	before inserting thread specific breakpoints.
> 
> Index: src/gdb/breakpoint.c
> ===================================================================
> --- src.orig/gdb/breakpoint.c	2005-11-17 15:47:04.000000000 +0000
> +++ src/gdb/breakpoint.c	2005-11-17 15:47:42.000000000 +0000
> @@ -1142,6 +1142,12 @@ insert_breakpoints (void)
>        if (!breakpoint_enabled (b->owner))
>  	continue;
>  
> +      /* There is no point inserting thread-specific breakpoints if the
> +	 thread no longer exists.  */
> +      if (b->owner->thread != -1
> +	  && !target_thread_alive (thread_id_to_pid (b->owner->thread)))
> +	continue;
> +
>        /* FIXME drow/2003-10-07: This code should be pushed elsewhere when
>  	 hardware watchpoints are split into multiple loc breakpoints.  */
>        if ((b->loc_type == bp_loc_hardware_watchpoint