From: "H . J . Lu" <hjl@lucon.org>
To: Ulrich Drepper <drepper@cygnus.com>
Cc: GNU libc hacker <libc-hacker@sourceware.cygnus.com>
Subject: A guard patch for linuxthreads
Date: Sun, 19 Dec 1999 08:45:00 -0000 [thread overview]
Message-ID: <19991219084545.A17373@lucon.org> (raw)
In-Reply-To: <19991219082116.A17290@lucon.org>
On Sun, Dec 19, 1999 at 08:21:16AM -0800, H . J . Lu wrote:
> On Sat, Dec 18, 1999 at 11:53:25AM -0800, Ulrich Drepper wrote:
> > I'm back for now and checked in the changes I've made over the days.
> > Mainly I've taken most of the changes I got and applied them (some of
> > them modified, e.g., HJ's thread patch).
> >
>
> Can we also fix linuxthread in 2.1? Also I am not quite sure if we should
> put a guard page beyond the stack bottom. Shouldn't we use this or at least
> fix the comment?
>
>
I believe this patch is what we want.
H.J.
--- manager.c Sun Dec 19 07:51:27 1999
+++ /tmp/manager.c Sun Dec 19 08:43:59 1999
@@ -315,8 +315,8 @@ static int pthread_allocate_stack(const
else
{
/* Put a bad page at the bottom of the stack */
- guardaddr = (void *)new_thread_bottom - stacksize;
guardsize = attr->__guardsize;
+ guardaddr = (void *)new_thread_bottom - guardsize;
if (mmap ((caddr_t) guardaddr, guardsize, 0, MAP_FIXED, -1, 0)
== MAP_FAILED)
{
next prev parent reply other threads:[~1999-12-19 8:45 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
1999-12-18 11:56 back for now Ulrich Drepper
1999-12-19 8:21 ` H . J . Lu
1999-12-19 8:45 ` H . J . Lu [this message]
1999-12-19 13:47 ` More on linuxthreads H . J . Lu
1999-12-19 13:53 ` Ulrich Drepper
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