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Re: [patch] Make std::tr1::shared_ptr thread-safe.

From: Paolo Carlini <pcarlini at suse dot de>
To: Ulrich Drepper <drepper at redhat dot com>
Cc: Jonathan Wakely <cow at compsoc dot man dot ac dot uk>, libstdc++ at gcc dot gnu dot org
Date: Wed, 30 Mar 2005 20:30:01 +0200
Subject: Re: [patch] Make std::tr1::shared_ptr thread-safe.
References: <20050329130005.GA58022@compsoc.man.ac.uk> <424AE74A.7020400@redhat.com> <424AEADE.5040507@suse.de> <424AEE99.2090509@redhat.com>

Ulrich Drepper wrote:

> Paolo Carlini wrote:
>
>> Then, readd to the library implementations of exchange_and_add for the
>> platforms that can implement it, otherwise fall back to the stop-gap
>> solution (some configury bits needed).
>
> Using exchange_and_add is dangerous, it should not be used.

Of course, sorry, that is only a typo (I'm a bit tired): I meant
compare_and_swap,
CAS, in other terms.

Paolo.

References:
- [patch] Make std::tr1::shared_ptr thread-safe.
  - From: Jonathan Wakely
- Re: [patch] Make std::tr1::shared_ptr thread-safe.
  - From: Ulrich Drepper
- Re: [patch] Make std::tr1::shared_ptr thread-safe.
  - From: Paolo Carlini
- Re: [patch] Make std::tr1::shared_ptr thread-safe.
  - From: Ulrich Drepper

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