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From: Gilles Chanteperdrix <gilles.chanteperdrix@xenomai.org>
To: rpm@xenomai.org
Cc: xenomai@xenomai.org
Subject: Re: [Xenomai-core] [Patch 7/7] Re-implementation of mutexes, user-space support.
Date: Sun, 18 May 2008 19:05:55 +0200	[thread overview]
Message-ID: <18480.25075.894860.415321@domain.hid> (raw)
In-Reply-To: <48305C5D.3020601@domain.hid>

Philippe Gerum wrote:
 > Gilles Chanteperdrix wrote:
 > > Since binding of the semaphore heaps is now made by xeno_skin_bind, there is
 > > much less modifications in src/skins/posix/init.c. However, I had to do
 > > something really ugly: since binding the semaphore heaps by xeno_skin_bind
 > > requires calls to open, ioctl, mmap, close and munmap, I redefined these symbols
 > > to be the __real_ variants before including bind.h.
 > 
 > Is there any upside to do this instead of simply calling the __real_*
 > placeholders, since we do already provide weak wrappers for those when the
 > linker's wrapping magic is not invoked?

The point is that the wrappers and linker magic only take place for
POSIX skins. Other skins have to call the genuine open, ioctl, mmap,
close and munmap services.


-- 


					    Gilles.


  reply	other threads:[~2008-05-18 17:05 UTC|newest]

Thread overview: 34+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-05-02 22:27 [Xenomai-core] [Patch 0/7] Posix skin user-space mutexes, second take Gilles Chanteperdrix
2008-05-02 22:30 ` [Xenomai-core] [Patch 1/7] Support for non cached memory mappings Gilles Chanteperdrix
2008-05-02 22:32   ` [Xenomai-core] [Patch 2/7] Define XNARCH_SHARED_HEAP_FLAGS Gilles Chanteperdrix
2008-05-02 22:33     ` [Xenomai-core] [Patch 3/7] Define more atomic operations in user-space Gilles Chanteperdrix
2008-05-02 22:34       ` [Xenomai-core] [Patch 4/7] Define ARM " Gilles Chanteperdrix
2008-05-02 22:35         ` [Xenomai-core] [Patch 5/7] Define new syscalls for the system skin Gilles Chanteperdrix
2008-05-02 22:36           ` [Xenomai-core] [Patch 6/7] Re-implementation of mutexes, kernel-space support Gilles Chanteperdrix
2008-05-02 22:38             ` [Xenomai-core] [Patch 7/7] Re-implementation of mutexes, user-space support Gilles Chanteperdrix
2008-05-18 16:42               ` Philippe Gerum
2008-05-18 17:05                 ` Gilles Chanteperdrix [this message]
2008-05-18 17:29                   ` Jan Kiszka
2008-05-18 17:41                     ` Gilles Chanteperdrix
2008-05-18 17:52                       ` Jan Kiszka
2008-05-18 18:09                         ` Gilles Chanteperdrix
2008-05-18 18:56                           ` Philippe Gerum
2008-05-19 22:49                             ` Gilles Chanteperdrix
2008-05-20  6:53                               ` Philippe Gerum
2008-05-20  7:07                                 ` Jan Kiszka
2008-05-20  7:23                                   ` Gilles Chanteperdrix
2008-05-18 16:40           ` [Xenomai-core] [Patch 5/7] Define new syscalls for the system skin Philippe Gerum
2008-05-18 17:21             ` Gilles Chanteperdrix
2008-05-18 18:37             ` Gilles Chanteperdrix
2008-05-18 19:10               ` Philippe Gerum
2008-05-18 19:38                 ` Gilles Chanteperdrix
2008-05-18 21:52                   ` Philippe Gerum
2008-05-18 22:52                     ` Gilles Chanteperdrix
2008-05-19 12:56                       ` Philippe Gerum
2008-05-19 13:16                         ` Gilles Chanteperdrix
2008-05-19 22:44                           ` Gilles Chanteperdrix
2008-05-05 16:33         ` [Xenomai-core] [Patch 4/7] Define ARM atomic operations in user-space Gilles Chanteperdrix
2008-05-05 16:39           ` Philippe Gerum
2008-05-05 16:44             ` Gilles Chanteperdrix
2008-05-18 16:30   ` [Xenomai-core] [Patch 1/7] Support for non cached memory mappings Philippe Gerum
2008-05-03 19:18 ` [Xenomai-core] [Patch 0/7] Posix skin user-space mutexes, second take Gilles Chanteperdrix

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