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Re: Mutex or reader writer lock

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"Edek" <edek.pienkowski@gmail.com> wrote in message 
news:ittper$joe$1@node2.news.atman.pl...
> On 06/21/2011 12:27 PM, ittium wrote:
[...]
>> I will also appreciate, few lines on pthread reader writer locks
>> implementation. Is is using futex and condition variables ?
>>
>
> I don't know what platform you are referring to, but atomic + futex
> as far as I know (plus bookkeeping of course)

Last time I checked (a couple of years ago), most POSIX rw-locks impls I 
have seen used mutexs and condition variables. They had rather horrible 
performance characteristics... 

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Mutex or reader writer lock ittium <ittium@gmail.com> - 2011-06-21 03:27 -0700
  Re: Mutex or reader writer lock David Schwartz <davids@webmaster.com> - 2011-06-21 22:03 -0700
  Re: Mutex or reader writer lock Edek <edek.pienkowski@gmail.com> - 2011-06-23 00:14 +0200
    Re: Mutex or reader writer lock ittium <ittium@gmail.com> - 2011-06-23 06:04 -0700
    Re: Mutex or reader writer lock "Chris M. Thomasson" <cristom@charter.net> - 2011-06-23 11:43 -0700
      Re: Mutex or reader writer lock ittium <ittium@gmail.com> - 2011-06-24 02:26 -0700
        Re: Mutex or reader writer lock Edek <edek.pienkowski@gmail.com> - 2011-06-24 12:02 +0200
          Re: Mutex or reader writer lock "Chris M. Thomasson" <cristom@charter.net> - 2011-06-29 13:46 -0700
            Re: Mutex or reader writer lock "Chris M. Thomasson" <cristom@charter.net> - 2011-06-29 14:26 -0700
              Re: Mutex or reader writer lock "Chris M. Thomasson" <cristom@charter.net> - 2011-06-29 20:30 -0700

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