[Spice-devel] [PATCH 12/22] Add exception handling classes

[Christophe Fergeau]

On Wed, Feb 28, 2018 at 04:43:15PM +0100, Christophe de Dinechin wrote:
> From: Christophe de Dinechin <dinechin at redhat.com>
> 
> Throwing 'runtime_error' directly should be reserved for the support
> library.  Add an 'Error' class as a base class for all errors thrown
> by the streaming agent, as well as subclasses used to discriminate
> between categories of error.
> 
> The Error class offers:
> - a 'format_message' member function that formats a message without
>   allocating memory, so that there is no risk of throwing another
>   exception at throw time.

For what it's worth, if we get in an out of memory situation, the agent
is more than likely to be dying very soon anyway (and this is true for
most code out there in my opinion).

Chrisotp
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