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From: "Stephen Croall" <scroall@tibco.com>
To: <pthreads-win32@sources.redhat.com>
Subject: RE: Good Algorithm for "Multiple Readers"/"Multiple Writers"
Date: Thu, 08 Dec 2005 09:57:00 -0000	[thread overview]
Message-ID: <D8495C6C606E0C47AF2720713E1B7A6201123900@NA-PA-VBE01.na.tibco.com> (raw)


Thanks, but the POSIX read/write interface supports a single writer vs.
multiple readers.  I'm after multiple writers & readers i.e. multiple
threads can perform writing but readers must wait and vice versa.

Steve.

-----Original Message-----
From: Rustam T. Usmanov [mailto:rustam@unilib.neva.ru] 
Sent: 08 December 2005 09:54
To: Stephen Croall
Subject: Re: Good Algorithm for "Multiple Readers"/"Multiple Writers"

On Thu, 8 Dec 2005, Stephen Croall wrote:

> Is anyone aware of whether POSIX implements this type of lock?

pthread_rwlock ? See
http://www.opengroup.org/onlinepubs/009695399/functions/pthread_rwlock_i
nit.html

--
Rustam Usmanov, systems engineer
Institute of Consortia Library Information Systems,
St.Petersburg State Polytechnic University
Address:  29, Politekhnitcheskaya str., St.Petersburg, 195251, Russia
Tel/fax: +7 812 552 7654        <URL:http://www.unilib.neva.ru/olsc/>

             reply	other threads:[~2005-12-08  9:57 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-12-08  9:57 Stephen Croall [this message]
  -- strict thread matches above, loose matches on Subject: below --
2005-12-08 16:35 Stephen Croall
2005-12-08 15:47 Evstiounin, Mikhail
2005-12-08 15:16 Stephen Croall
2005-12-08 15:11 Stephen Croall
2005-12-08 15:09 Stephen Croall
2005-12-08 15:06 Evstiounin, Mikhail
2005-12-08 15:06 Stephen Croall
2005-12-08 15:02 Evstiounin, Mikhail
2005-12-08 15:01 Stephen Croall
2005-12-08 15:00 Evstiounin, Mikhail
2005-12-08 14:49 Stephen Croall
2005-12-08 14:09 Stephen Croall
2005-12-08 14:53 ` Robert Kindred
2005-12-08 14:02 Evstiounin, Mikhail
2005-12-08  9:09 Stephen Croall
2005-12-08 14:46 ` Robert Kindred

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