From: Dipankar Sarma <dipankar@in.ibm.com>
To: brad@linuxcanada.com
Cc: linux-kernel@vger.kernel.org
Subject: Re: Multi-threading
Date: Tue, 12 Mar 2002 01:06:18 +0530 [thread overview]
Message-ID: <20020312010618.A32259@in.ibm.com> (raw)
In article <20020311182111Z310364-889+120750@vger.kernel.org> Brad Pepers wrote:
> There was a message posted by Jim Starkey about his experiences using threads
> on Linux and the problems debugging them. It came down to two things:
> 2. Linux is missing an atomic use-count mechanism which returns values like
> the Microsoft InterlockedIncrement/Decrement functions do.
Can't this be done using atomic_dec_and_test() and the likes ?
Google tells me that windoze InterlockedIncrement/Decrement stuff
does the almost same thing. Why can't refcounting be
implemented using just atomic_inc/dec and/or atomic_inc/dec_and_test ?
Thanks
--
Dipankar Sarma <dipankar@in.ibm.com> http://lse.sourceforge.net
Linux Technology Center, IBM Software Lab, Bangalore, India.
next reply other threads:[~2002-03-11 19:34 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-03-11 19:36 Dipankar Sarma [this message]
2002-03-11 23:53 ` Multi-threading Brad Pepers
[not found] <20020311182111Z310364-889+120750@vger.kernel.org.suse.lists.linux.kernel>
2002-03-11 21:54 ` Multi-threading Andi Kleen
2002-03-12 0:02 ` Multi-threading Brad Pepers
[not found] ` <20020312000310.DBCF41EDB9@Cantor.suse.de>
2002-03-12 7:10 ` Multi-threading Andi Kleen
2002-03-13 7:51 ` Multi-threading David Schwartz
2002-03-13 8:23 ` Multi-threading Andi Kleen
2002-03-13 9:01 ` Multi-threading David Schwartz
2002-03-14 4:50 ` Multi-threading Rusty Russell
-- strict thread matches above, loose matches on Subject: below --
2002-03-11 18:20 Multi-threading Brad Pepers
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