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From: Glen Knowles (gknowles_at_[hidden])
Date: 2003-07-21 11:13:34

>David Abrahams wrote:
>> Well, that's not my philosophy FWIW. Mine is:
>> if the condition is a programmer error, use assert
>> otherwise, use a well-documented exception
>So can I draw you back to the original question of why a locked
>scoped_lock throws rather than asserts? The only thing that can cause
>this is calling lock on it twice which is a programming error, isn't it?
>It certainly isn't dependent on any external factors that I can see.
>Or are assert/throw decisions left up to the individual library
>implementors boost and William Kempf has a different view to yours on

That is a decision that tends to end with the library author. One thing that
may make the specific case of relocking different is that the cause is
likely a race condition - something that won't show up in normal testing.


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