[Gc] External thread suspension (again)
keiths at redhat.com
Fri May 26 14:41:47 PDT 2006
Including GC list
-------- Original Message --------
Subject: Re: [RFC] GC: external thread suspension
Date: Thu, 25 May 2006 12:39:58 -0700
From: Keith Seitz <keiths at redhat.com>
To: Java Patch List <java-patches at gcc.gnu.org>
Okay, since it has been relatively quiet for the past week, I thought I
would turn this into an official RFA.
I'm going to be conservative, and offer up for approval the patch
suggested by Hans Boehm, using GC_start/end_blocking. It is much simpler
than my original patch.
In order to modify gc.h, it looks like I need to ifdef stuff. Since I've
only done this for pthreads, I've made a best guess as to the proper
conditions. Let me know if there are any problems with this.
2006-05-25 Keith Seitz <keiths at redhat.com>
* pthread_stop_world.c (GC_suspend_handler): Redirect to
routine if signal is received and thread is flagged SUSPENDED.
(GC_suspend_self): New function.
(GC_suspend_thread): New function.
(GC_resume_thread): New function.
* include/gc.h (GC_suspend_self): Declare.
* include/private/pthread_support.h (SUSPENDED): New GC_thread
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