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Re: atomic operations for shared_ptr ?
- From: Jonathan Wakely <jwakely dot gcc at gmail dot com>
- To: Bronek Kozicki <brok at spamcop dot net>
- Cc: "libstdc++" <libstdc++ at gcc dot gnu dot org>
- Date: Sat, 24 Aug 2013 20:26:17 +0100
- Subject: Re: atomic operations for shared_ptr ?
- References: <5218F14F dot 9080804 at spamcop dot net> <CAH6eHdTX+Un55-xK6w4Qx-T8s2TT=KjPLYzW23EJFwswAqRuKg at mail dot gmail dot com> <52190267 dot 5010905 at spamcop dot net>
On 24 August 2013 19:58, Bronek Kozicki wrote:
> On 24/08/2013 18:51, Jonathan Wakely wrote:
>> On 24 August 2013 18:45, Bronek Kozicki wrote:
>>> what are the current plans for supporting atomic_* free functions for
>>> shared_ptr, as defined in C++11 (20.6.2 "Header <memory> synopsis")?
>>> would be very useful for passing shared_ptr objects between threads, esp.
>>> there are multiple readers and single writer.
>> I've been thinking about it recently and am probably just going to
>> implement it with a single global mutex used for all shared_ptr
> erm, but that would be even worse than using mutexes as in my example code
It would perform badly, yes, but would mean the feature would not stay