DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org B1FDC3858D38
Message-ID: <f8c95c12-a43e-442e-ad95-129d6340bdf4@gmail.com>
Date: Sat, 11 Nov 2023 12:25:35 -0600
MIME-Version: 1.0
User-Agent: Mozilla Thunderbird
Subject: Re: rand is not ISO C compliant in Cygwin
To: cygwin AT cygwin DOT com
References: <9938355 DOT c9vzh5UkMf AT nimes>
 <e099714b-9820-4647-ba40-9db5e471e9aa AT huarp DOT harvard DOT edu>
 <5748524 DOT yeFs27NDWt AT nimes>
 <cec7bb32-1a34-4c3c-8b8b-175d998003ef AT huarp DOT harvard DOT edu>
Content-Language: en-US
In-Reply-To: <cec7bb32-1a34-4c3c-8b8b-175d998003ef@huarp.harvard.edu>
Precedence: list
From: =?utf-8?q?Ren=C3=A9_Berber_via_Cygwin?= <cygwin AT cygwin DOT com>
Reply-To: =?UTF-8?Q?Ren=C3=A9_Berber?= <rene DOT berber AT gmail DOT com>
Content-Type: text/plain; charset="utf-8"; Format="flowed"
Errors-To: cygwin-bounces+archive-cygwin=delorie DOT com AT cygwin DOT com
Sender: "Cygwin" <cygwin-bounces+archive-cygwin=delorie DOT com AT cygwin DOT com>
Content-Transfer-Encoding: 8bit

On 11/11/2023 10:50 AM, Allen, Norton T. via Cygwin wrote:

[snip]
>> The srand function is not required to avoid data races with other
>>     calls to pseudo-random sequence generation functions. ..." 
> That is not the same as "... required never to avoid data races ...". 
> "not required" means the sentence is not specifying--not requiring--any 
> behavior, so you should not depend on the described behaviors.
[snip]

The elided part on Bruno's message is:

"The implementation shall behave as if no library function calls the
rand function."

Which is the point Bruno is making with the sample code.
-- 
R.Berber


-- 
Problem reports:      https://cygwin.com/problems.html
FAQ:                  https://cygwin.com/faq/
Documentation:        https://cygwin.com/docs.html
Unsubscribe info:     https://cygwin.com/ml/#unsubscribe-simple