From mboxrd@z Thu Jan  1 00:00:00 1970
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Date: Fri, 25 Apr 2008 15:44:42 +0200
From: Jan Kiszka <jan.kiszka@domain.hid>
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Subject: Re: [Xenomai-core] [2.4.x PATCH] POSIX: Remove mutex/cond_init
 locking, fix NULL attribute
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To: Gilles Chanteperdrix <gilles.chanteperdrix@xenomai.org>
Cc: Xenomai-core@domain.hid

Gilles Chanteperdrix wrote:
> On Fri, Apr 25, 2008 at 2:59 PM, Jan Kiszka <jan.kiszka@domain.hid> wrote:
>> Hi,
>>
>>  trunk check-in #3369 did not just remove some "questionable critical
>>  sections", it also happen to fix two ugly bugs in the POSIX skin: The
>>  user was not able to pass NULL attributes down to mutex_init and
>>  cond_init. Find a backport of that patch for 2.4.x attached.
> 
> I am using pthread_mutex_init and pthread_cond_init from user-space
> with NULL attributes with pre 2.4 versions all the time, and never had
> any problem.

Maybe a x86-64 issue: __xn_access_ok() triggers here when you stuff in a
NULL pointer.

Jan

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