Re: kern/44432: cannot single-step over a call to sigprocmask()

[David Holland <dholland-bugs%netbsd.org@localhost>]

The following reply was made to PR kern/44432; it has been noted by GNATS.

From: David Holland <dholland-bugs%netbsd.org@localhost>
To: gnats-bugs%NetBSD.org@localhost
Cc: 
Subject: Re: kern/44432: cannot single-step over a call to sigprocmask()
Date: Mon, 31 Jan 2011 05:50:12 +0000

 On Mon, Jan 24, 2011 at 04:55:01PM +0000, Antti Kantee wrote:
  >  I'm secretly hoping this is related to multithreaded programs randomly
  >  hanging under gdb since the symptoms are exactly the same: debugged
  >  program starts consuming 100% cpu.
 
 That's ... pretty plausible actually. Does libpthread block SIGTRAP
 anywhere?
 
 I guess the reason it starts looping is some argument between ptrace
 and trap handling...
 
 -- 
 David A. Holland
 dholland%netbsd.org@localhost