Boost logo

Boost :

From: David Abrahams (dave_at_[hidden])
Date: 2003-07-21 12:49:44

Glen Knowles <gknowles_at_[hidden]> writes:

>>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.

That sounds like what I remember Bill telling me.

Dave Abrahams
Boost Consulting

Boost list run by bdawes at, gregod at, cpdaniel at, john at