[MTASCsft PATCH 03/??] MT-, AS- and AC-Safety docs: manual/arith.texi

Joseph S. Myers joseph@codesourcery.com
Fri Jan 24 16:24:00 GMT 2014


On Fri, 24 Jan 2014, Alexandre Oliva wrote:

> +Just like signal handlers, cleanup handlers must configure the floating
> +point environment they require, because they cannot assume it to be
> +configured in any specific way, particularly when asynchronous
> +cancellation is enabled.  It is even possible that the floating point
> +environment will be encountered in an internally inconsistent state,
> +e.g. because of cancellation between reconfiguring two floating point
> +units, or even if the reconfiguration of a single floating point unit
> +cannot be performed atomically.

Seems reasonable.

-- 
Joseph S. Myers
joseph@codesourcery.com



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