From mboxrd@z Thu Jan 1 00:00:00 1970 Message-ID: <527C7CE6.6090603@siemens.com> Date: Fri, 08 Nov 2013 06:55:50 +0100 From: Gernot Hillier MIME-Version: 1.0 References: <527B5BBF.2040301@siemens.com> <527BD591.9060504@xenomai.org> In-Reply-To: <527BD591.9060504@xenomai.org> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Subject: Re: [Xenomai] [Xenomai-forge] [PATCH] Silence unused_result warning from write() List-Id: Discussions about the Xenomai project List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Gilles Chanteperdrix Cc: xenomai@xenomai.org Am 07.11.2013 19:01, schrieb Gilles Chanteperdrix: > On 11/07/2013 10:22 AM, Gernot Hillier wrote: >> Some glibc versions mark write() with attribute warn_unused_result (found in >> Ubuntu 12.04 / eglibc 2.15 / gcc 4.6.3), so we need to silence this warning, >> especially when building with -Werror. > > Why not casting write result to void, it does not work? > No, it doesn't. For rationale, please see http://gcc.gnu.org/bugzilla/show_bug.cgi?id=25509. -- Gernot