Pedro Alves wrote:
>>> --- linux-nat.c	1 Mar 2011 00:40:22 -0000	1.197
>>> +++ linux-nat.c	1 Mar 2011 23:50:34 -0000
>>> @@ -4045,7 +4045,7 @@ linux_thread_alive (ptid_t ptid)
>>>      fprintf_unfiltered (gdb_stdlog,
>>>  			"LLTA: KILL(SIG0) %s (%s)\n",
>>>  			target_pid_to_str (ptid),
>>> -			err ? safe_strerror (err) : "OK");
>>> +			err ? safe_strerror (errno) : "OK");
> 
> Not 100% correct.  target_pid_to_str is allowed to
> clobber errno (as any function call is).

OK.  How about this then?