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

From: "Peter Dimov" <pdimov at mmltd dot net>
To: "Alexander Terekhov" <alexander dot terekhov at gmail dot com>
Cc: <libstdc++ at gcc dot gnu dot org>
Date: Fri, 1 Apr 2005 20:10:36 +0300
Subject: Re: Fw: [patch] Make std::tr1::shared_ptr thread-safe.
References: <OF24DE43AB.98214558-ONC1256FD5.0044D61E-C1256FD5.0044BD18@de.ibm.com> <e52efbe105033105212ee0988a@mail.gmail.com> <424D5134.3090108@suse.de> <e52efbe105040106422d3b8772@mail.gmail.com> <424D5FD9.1060909@suse.de> <e52efbe105040107104f4c4285@mail.gmail.com> <424D6694.4070808@suse.de> <e52efbe105040108215900b40d@mail.gmail.com>

Alexander Terekhov wrote:

or powerpc:
Well, see

http://sourceware.org/cgi-bin/cvsweb.cgi/libc/sysdeps/powerpc/bits/atomic.h?cvsroot=glibc

I see no "release" barriers in exchange_and_add or the decrements, only an "acquire if zero" in decrement_if_positive.

Follow-Ups:
- Re: Fw: [patch] Make std::tr1::shared_ptr thread-safe.
  - From: Alexander Terekhov

References:
- Re: Fw: [patch] Make std::tr1::shared_ptr thread-safe.
  - From: Paolo Carlini
- Re: Fw: [patch] Make std::tr1::shared_ptr thread-safe.
  - From: Alexander Terekhov
- Re: Fw: [patch] Make std::tr1::shared_ptr thread-safe.
  - From: Paolo Carlini
- Re: Fw: [patch] Make std::tr1::shared_ptr thread-safe.
  - From: Alexander Terekhov
- Re: Fw: [patch] Make std::tr1::shared_ptr thread-safe.
  - From: Paolo Carlini
- Re: Fw: [patch] Make std::tr1::shared_ptr thread-safe.
  - From: Alexander Terekhov

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