Re: [boost] smart_ptr: sp_collector can't handle STL containers of shared_ptr's

From: Gregory Colvin (gregory.colvin_at_[hidden])
Date: 2003-05-29 21:31:05

Also check out

    http://www.hpl.hp.com/personal/Hans_Boehm/gc/gc_source/gc_cpph.txt

for a gc base clase to inherit from.

On Thursday, May 29, 2003, at 20:20 America/Denver, Gregory Colvin 
wrote:

> Check out
>
>    http://www.hpl.hp.com/personal/Hans_Boehm/gc/gcinterface.html
>
> which provides a gc_alloc, and for new(gc) all you need is something 
> like this:
>
>    struct gc_t {};
>    static const gc_t gc;
>
>    void* operator new  (size_t n, const gc_t&) { return GC_malloc(n); }
>    void* operator new[](size_t n, const gc_t&) { return GC_malloc(n); }
>
>    void operator delete  (void* ptr, const gc_t&) {}
>    void operator delete[](void* ptr, const gc_t&) {}
>
> Much easier than hacking shared_ptr.
>
>
> On Thursday, May 29, 2003, at 19:57 America/Denver, Larry Evans wrote:
>> Gregory Colvin wrote:
>>
>> [snip]
>>
>> > It is not that hard to write a new(gc) and gc_allocator
>> > using Boehm's collector, for those who don't want to have
>> > the collector take over all memory allocation.
>>
>> I found John Max Skaller's posts on such a gc_allocator:
>>
>>   http://aspn.activestate.com/ASPN/Mail/Message/boost/1150154
>>
>> Since I still can't figure out how he did it, maybe he could provide
>> code or more details on howto.  However, I don't know his email.  I
>> may just download his Felix compiler and try deciphering the code.
>>
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