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Re: libc6.1

Du you have again a patched libpthread.so of the current testing version of libc6.1, so that I can apt-get upgrade my system with latest libc6.1 and later replace the not working libpthread.so? I need it to compile programs with g++-4.0 package. Thanks!


At 20:38 25.04.2006, Thomas Evans wrote:
I just noticed that libc6.1 is scheduled to be upgraded in "stable" - will this be a broken one?

I'd hate for a broken libc to be in stable ....


Uwe Schindler wrote:
At 10:45 27.02.2006, Steve Langasek wrote:
> Now I am very happy with alpha support, the only thing is the problem
> with multithreaded apps (the bug in glibc that creates defunct
> processes)! Is there any news about that? This is very annoying
> because there is a patch available for that since about 3-4 months!!!
> Why is nobody able to apply this patch to glibc without discussing
> all the time about pros and cons that does not matter?

Sorry, to you have a pointer to the patch for this?  I don't think there are
any alpha porters actively involved in the glibc packaging right now; I
guess there ought to be, but so far alpha has generally been reliable enough
that there hasn't been a need. :/  Of course, I'm sure even with commit
access I can't apply it without figuring out what pros and cons *do* matter,
so you might want to spell out which ones you believe don't matter :)


This one is the patch:

From: Tom Evans
To: Tom Evans <tom@23palmer.net>
Cc: 325600@bugs.debian.org,  debian-alpha@lists.debian.org
Subject: Re: 325600 (<defunct> threads on Alpha).
Date: Tue, 25 Oct 2005 14:59:24 -0400

If I simply change (in
linuxthreads/sysdep/unix/sysv/linux/not-cancel.h) from:

# define waitpid_not_cancel(pid, stat_loc, options) \
  INLINE_SYSCALL (osf_wait4, 4, pid, stat_loc, options, NULL)


# define waitpid_not_cancel(pid, stat_loc, options) \
  wait4( pid, stat_loc, options, NULL )

all is well - I understand the performance benefits of the inlining,
but since x86 is NPTL anyway, perhaps this is an okay solution?

I'm guessing that there is an Alpha-related optimizer bug perhaps?
Or that the inline_syscall4 in sysdep/unix/alpha/sysdep.h is somehow

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