From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Giuseppe Scrivano Newsgroups: gmane.emacs.devel Subject: Re: Concurrency Date: Sun, 28 Mar 2010 22:54:35 +0200 Message-ID: <87oci8rwtw.fsf@gnu.org> References: <27349166.post@talk.nabble.com> <27560255.post@talk.nabble.com> <4B754E74.8060705@swipnet.se> <27563610.post@talk.nabble.com> <4B7564C7.1010309@swipnet.se> <27564728.post@talk.nabble.com> <4B756FB7.3050202@swipnet.se> <87k4ui4gik.fsf@lola.goethe.zz> <27566385.post@talk.nabble.com> <87wryi2sjd.fsf@lola.goethe.zz> <27585994.post@talk.nabble.com> <87k4ucdmwh.fsf@stupidchicken.com> <87d3zweq4e.fsf@master.homenet> <87y6hg1h4a.fsf@thor.thematica.it> <87tys3j9fa.fsf@lifelogs.com> <87eij6tqmu.fsf@lifelogs.com> <49707.130.55.132.67.1269807922.squirrel@webmail.lanl.gov> NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Trace: dough.gmane.org 1269809682 9300 80.91.229.12 (28 Mar 2010 20:54:42 GMT) X-Complaints-To: usenet@dough.gmane.org NNTP-Posting-Date: Sun, 28 Mar 2010 20:54:42 +0000 (UTC) Cc: Tom Tromey , Ted Zlatanov , Stefan Monnier , emacs-devel@gnu.org To: herring@lanl.gov Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Sun Mar 28 22:54:37 2010 Return-path: Envelope-to: ged-emacs-devel@m.gmane.org Original-Received: from lists.gnu.org ([199.232.76.165]) by lo.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1NvzVC-0005Ka-Tp for ged-emacs-devel@m.gmane.org; Sun, 28 Mar 2010 22:54:35 +0200 Original-Received: from localhost ([127.0.0.1]:45695 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1NvzVC-0002xk-HS for ged-emacs-devel@m.gmane.org; Sun, 28 Mar 2010 16:54:34 -0400 Original-Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1NvzV6-0002vh-70 for emacs-devel@gnu.org; Sun, 28 Mar 2010 16:54:28 -0400 Original-Received: from [140.186.70.92] (port=44132 helo=eggs.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1NvzV2-0002ta-OP for emacs-devel@gnu.org; Sun, 28 Mar 2010 16:54:25 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.69) (envelope-from ) id 1NvzV0-0000hA-J8 for emacs-devel@gnu.org; Sun, 28 Mar 2010 16:54:24 -0400 Original-Received: from mail-bw0-f219.google.com ([209.85.218.219]:35959) by eggs.gnu.org with esmtp (Exim 4.69) (envelope-from ) id 1NvzUy-0000gh-VM; Sun, 28 Mar 2010 16:54:21 -0400 Original-Received: by bwz19 with SMTP id 19so952105bwz.26 for ; Sun, 28 Mar 2010 13:54:20 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:received:received:sender:received:from:to:cc :subject:references:date:in-reply-to:message-id:user-agent :mime-version:content-type; bh=igzaWK6SiAYASc2BuHilMvI+UX2hEEVQ8sh3FftJUQ0=; b=h3SxaUf52c0Vx/X0krfR5e12WogsDh4cA1xRLGovyLlOOpKe38MILlbbit3/Tbghbu BiYd63myrBVg6GC2C7Kq+mDUAT0TfVM5VWyvMoc9BHvO7DXSkS3kNOVj9556XFYCTa1W frvCfAUfKZL8JaMWI8SG01Dk7iiRiR9b/kgOY= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=sender:from:to:cc:subject:references:date:in-reply-to:message-id :user-agent:mime-version:content-type; b=IGU0fR8xMvSM5tcBnEhx83mmN8WwYLB7ZfDQPbI2/DRR/gjB2pXzELCQZFR87f4weI e2onbTvdnaUqJTggvCYRTHKxpJtdn+9GO9ar041H0nBPJnraMlyBAbtAtNVAB8+v6Gtf c1c6Gn12QIl+RzoRqq+YiJIxTD5sggKbZBt20= Original-Received: by 10.204.10.15 with SMTP id n15mr1969443bkn.158.1269809659162; Sun, 28 Mar 2010 13:54:19 -0700 (PDT) Original-Received: from black ([188.152.249.60]) by mx.google.com with ESMTPS id 13sm1774379bwz.11.2010.03.28.13.54.18 (version=TLSv1/SSLv3 cipher=RC4-MD5); Sun, 28 Mar 2010 13:54:18 -0700 (PDT) Original-Received: from localhost ([127.0.0.1] helo=black) by black with esmtp (Exim 4.71) (envelope-from ) id 1NvzVD-00014k-Mz; Sun, 28 Mar 2010 22:54:35 +0200 In-Reply-To: <49707.130.55.132.67.1269807922.squirrel@webmail.lanl.gov> (Davis Herring's message of "Sun, 28 Mar 2010 13:25:22 -0700 (PDT)") User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/23.1.93 (gnu/linux) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6 (newer, 2) X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Original-Sender: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.devel:122821 Archived-At: "Davis Herring" writes: >>> (mutex-lock MUTEX) >>> Acquire a mutex. If already held by this thread, returns. >> >> I.e. it's a "recursive/reentrant mutex". > > Hmm -- is it fully recursive, where you must unlock it as many times as > you locked it? (I don't much care for the semi-recursive kind where one > unlock is sufficient regardless of the number of lock operations...) No, it is sufficient only one unlock to release it. Cheers, Giuseppe