Re: [boost] [shared_Ptr] [1.34] URGENT: Outstanding HP-UX/itaniumbug

From: Boris Gubenko (Boris.Gubenko_at_[hidden])
Date: 2006-09-07 19:10:06

> I really can't see anything wrong with it; the test passes on every
> other platform.
>

It does, including the very same machine with aCC6. In fact, with aCC6,
smart_ptr is all green.

Why is this failure a concern for 1.34? Is g++ on HP-UX ia64 a release
platform?

Boris

----- Original Message ----- 
From: "Peter Dimov" <pdimov_at_[hidden]>
To: <boost_at_[hidden]>
Cc: "Boris Gubenko" <Boris.Gubenko_at_[hidden]>
Sent: Thursday, September 07, 2006 7:02 PM
Subject: Re: [boost] [shared_Ptr] [1.34] URGENT: Outstanding 
HP-UX/itaniumbug

> Boris Gubenko wrote:
>> It segfaults, with and without -O0:
>>
>> Program received signal SIGSEGV, Segmentation fault
>>  si_code: 1 - SEGV_MAPERR - Address not mapped to object.
>> 0x408b831 in
>> boost::detail::sp_counted_impl_pd<n_report_2::foo*,n_report_2::deleter>::boost::detail::sp_counted_impl_pd<n_report_2::
>> foo*,n_report_2::deleter> (
>>    this=0x40014c30, p=0x40014bd0, d={<No data fields>})
>>    at sp_counted_impl.hpp:140
>
> The relevant portion of shared_ptr_test seems to be n_report_2, reproduced
> below; it seems that the fault is occuring at the very first line of 
> test().
> I really can't see anything wrong with it; the test passes on every other
> platform.
>
> class foo
> {
> public:
>
>    void setWeak(boost::shared_ptr<foo> s)
>    {
>        w = s;
>    }
>
> private:
>
>    boost::weak_ptr<foo> w;
> };
>
> class deleter
> {
> public:
>
>    deleter(): lock(0)
>    {
>    }
>
>    ~deleter()
>    {
>        BOOST_TEST(lock == 0);
>    }
>
>    void operator() (foo * p)
>    {
>        ++lock;
>        delete p;
>        --lock;
>    }
>
> private:
>
>    int lock;
> };
>
> void test()
> {
>    boost::shared_ptr<foo> s(new foo, deleter());
>    s->setWeak(s);
>    s.reset();
> }
>
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