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Re: External thread suspension (again)

From: Bryce McKinlay <mckinlay at redhat dot com>
To: Keith Seitz <keiths at redhat dot com>
Cc: Hans Boehm <Hans dot Boehm at hp dot com>, gc at napali dot hpl dot hp dot com, Java Patch List <java-patches at gcc dot gnu dot org>
Date: Fri, 09 Jun 2006 16:13:23 -0400
Subject: Re: External thread suspension (again)
References: <4477761B.3060104@redhat.com> <Pine.GHP.4.58.0606032136390.6233@tomil.hpl.hp.com> <44849755.2050803@redhat.com>

Keith Seitz wrote:

Hans Boehm wrote:
Some comments/questions:
1) I don't see where the SUSPENDED flag gets set in response to
GC_suspend_thread.  It gets set in GC_suspend_self(), but I don't
think you get there unless it has already been set?
That gets set in GC_suspend_self. When GC_stop_world is called, GC_suspend_all will not signal the externally suspended thread (because GC_start_blocking will set thread_blocked).

This works in the GC_suspend_self() case, but how does GC_start_blocking get called in the GC_suspend_thread() case? Doesn't GC_suspend_thread() need to set SUSPENDED before it sends the suspend signal?

Bryce

Follow-Ups:
- Re: External thread suspension (again)
  - From: Keith Seitz

References:
- External thread suspension (again)
  - From: Keith Seitz
- Re: External thread suspension (again)
  - From: Hans Boehm
- Re: External thread suspension (again)
  - From: Keith Seitz

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