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From: Pieter de Goeje <pieter@degoeje.nl>
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Date: Fri, 13 May 2011 02:15:02 +0200
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Cc: lldb-dev@cs.uiuc.edu, Amit Kulkarni <amitkulz@gmail.com>,
	matthew@openbsd.org
Subject: Re: lldb patches for FreeBSD
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On Friday 13 May 2011 00:00:28 Amit Kulkarni wrote:
> It seems FreeBSD is also affected like OpenBSD about the thread id
> issue discussed a month before in this thread. I am cc'ing matthew@
> just to keep him in the loop.
> http://lists.cs.uiuc.edu/pipermail/lldb-dev/2011-April/000444.html

Check out this code from FreeBSD's OpenJDK6 port:

#if __FreeBSD_version > 900030
  return pthread_getthreadid_np();
#else
  long tid;
  thr_self(&tid);
  return (pid_t)tid;
#endif

The underlying type of a tid (lwpid_t in kernel) is an int.

-- 
Pieter de Goeje