[ros-dev] [ros-diffs] [fireball] 34232: Yuri Sidorov <jura at cp-lab.com> - Prevent boolean flags from being optimized away by compiler (due to PSEH usage) by making them volatile. See issue #3408 for more details.

[Timo Kreuzer]

What about wrapping the _SEH_TRY part in a local inline function? In my 
tests this successfully prevented the variables from being optimized 
away. At least under normal optimisation settings.

_SEH_TRY
{
   void inline tryblock()
   {
   ...
   }
   tryblock();
}
...

KJK::Hyperion schrieb:
> Alex Ionescu ha scritto:
>   
>> If something is happening to these flags, PSEH should be fixed -- not  
>> making every flag in the source base a volatile.
>>     
>
> PSEH is based setjmp/longjmp, some local variables WILL be reset when an 
> exception is caught and they MUST be marked as "volatile". I documented 
> this a long time ago
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>   

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