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From: Gilles Chanteperdrix <gilles.chanteperdrix@xenomai.org>
To: Nero Fernandez <grimlynch@domain.hid>
Cc: xenomai@xenomai.org
Subject: Re: [Xenomai-core] problem in pthread_mutex_lock/unlock
Date: Fri, 18 Jun 2010 16:12:01 +0200	[thread overview]
Message-ID: <4C1B7EB1.2040006@domain.hid> (raw)
In-Reply-To: <AANLkTikU5zPKew64ZxWGokwh5R5F-sNegWdDzOENWdzB@mail.gmail.com>

Nero Fernandez wrote:
> Hi,
> 
> Please find an archive attached, containing :
>  - a program for testing context-switch-latency using posix-APIs
>    for native linux kernel and xenomai-posix-skin (userspace).
>  - Makefile to build it using xenomai

Your program is very long to tell fast. But it seems you are using the
mutex as if they were recursive. Xenomai posix skin mutexes used to be
recursive by default, but no longer are.

Also note that your code does not check the return value of the posix
skin services, which is a really bad idea.

-- 
					    Gilles.


  reply	other threads:[~2010-06-18 14:12 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-06-18 13:52 [Xenomai-core] problem in pthread_mutex_lock/unlock Nero Fernandez
2010-06-18 14:12 ` Gilles Chanteperdrix [this message]
     [not found]   ` <AANLkTinABTK2nMI0QfZVaULQ4OKwF0678PKOBc_OMIn1@domain.hid>
2010-06-18 14:59     ` [Xenomai-core] Fwd: " Nero Fernandez
2010-06-18 15:08       ` Gilles Chanteperdrix
2010-06-18 19:45         ` Gilles Chanteperdrix
2010-06-23 20:45           ` Nero Fernandez
2010-06-23 22:00             ` Philippe Gerum
2010-06-24 11:35               ` Nero Fernandez
2010-06-24 11:50                 ` Gilles Chanteperdrix
2010-06-24 13:21                   ` Nero Fernandez
2010-06-24 14:14                     ` Gilles Chanteperdrix
2010-06-28 17:53                       ` Nero Fernandez
2010-06-28 19:26                         ` Gilles Chanteperdrix
2010-06-24 20:40                 ` Gilles Chanteperdrix
2010-06-25 15:00                 ` [Xenomai-core] co-kernel benchmarking on arm926 (was: Fwd: problem in pthread_mutex_lock/unlock) Philippe Gerum
2010-06-28 17:50                   ` Nero Fernandez
2010-06-28 21:31                     ` Philippe Gerum
2010-06-28 21:50                     ` [Xenomai-core] co-kernel benchmarking on arm926 Gilles Chanteperdrix

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