Re: [Boost-users] Misuse of shared_ptr?

From: Peter Petrov (ppetrov_at_[hidden])
Date: 2006-01-08 06:00:44

Serge Skorokhodov wrote:
> Pooyan McSporran wrote:
>>   void test (MemoryPtr m) {
>>     m -> remember1 (FooPtr (this));
> 
> Definetely a misuse. A poiner to a "newed" object or another
> shared_ptr must be passed to share_ptr ctor. Actually, you are
> baypassing reference counting here. "this" is neither:( Try this:
> 
> void test ( MemoryPtr m, FooPtr f )
> {
>   m->remember1( f );
> }

Or alternatively, you could use enable_shared_from_this (which is the
"standard" way to construct a shared_ptr from a "this" pointer).