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From: Florian Weimer <fw@deneb.enyo.de>
Newsgroups: comp.lang.ada
Subject: Re: Ada to C++ translator
Date: Thu, 26 Jan 2006 12:22:26 +0100
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* Randy Brukardt:

> "Florian Weimer" <fw@deneb.enyo.de> wrote in message
> news:877j8oow1r.fsf@mid.deneb.enyo.de...
> ...
>> It's an abort-deferred operation (like assignment, which I should have
>> mentioned as well).
>
> That's expensive how? Abort-deferral is (or should be) just toggling a bit
> in the TCB.

You need to find the TCB first, and you need to check for abortion
once deferral has ended.  Especially the first part probably prevents
inlining on some POSIX platforms.