[boost] Re: Question about shared_ptr operator <

From: cppljevans_at_[hidden]
Date: 2003-10-23 08:23:57

On 10/23/2003 08:01 AM, Maxim Egorushkin wrote:
 > Michael Grundberg wrote:
[snip]

 > The key point is that shared_ptr<> is an exclusive owner of a raw
 > pointer. No more then one shared_ptr<> should be constructed using
 > the same raw pointer (unless it is 0 pointer). Violating the rule
 > leads to multiple releases on the raw pointer. Using null_deleter
 > allows you to remain unpunished :).

An alternative way to avoid this is to require share_ptr CTOR to take
something like auto_new<SomePolicy,SomeReferent> argument instead of
the SomeReferent* raw pointer argument.  Please see:

http://groups.yahoo.com/group/boost/files/shared_cyclic_ptr/auto_new.hpp