[Top][All Lists]

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: Internal libc lock interface

From: Marcus Brinkmann
Subject: Re: Internal libc lock interface
Date: Thu, 21 Jun 2001 12:07:59 +0200
User-agent: Mutt/1.3.18i

On Thu, Jun 21, 2001 at 01:56:28AM -0400, Igor Khavkine wrote:
> In the former case, how do I deal with
> rwlocks (what are these btw?)

A read write lock is like a file lock with LOCK_SH and LOCK_EX.  Acquiring
the reader lock locks out writers, and acquiring the writer lock locks out
everybody.  So readers can run in parallel, while writers are exclusive.


`Rhubarb is no Egyptian god.' Debian http://www.debian.org brinkmd@debian.org
Marcus Brinkmann              GNU    http://www.gnu.org    marcus@gnu.org

reply via email to

[Prev in Thread] Current Thread [Next in Thread]