From mboxrd@z Thu Jan 1 00:00:00 1970 Received: (from majordomo@localhost) by pauillac.inria.fr (8.7.6/8.7.3) id FAA30944; Sun, 2 May 2004 05:35:59 +0200 (MET DST) X-Authentication-Warning: pauillac.inria.fr: majordomo set sender to owner-caml-list@pauillac.inria.fr using -f Received: from concorde.inria.fr (concorde.inria.fr [192.93.2.39]) by pauillac.inria.fr (8.7.6/8.7.3) with ESMTP id FAA30754 for ; Sun, 2 May 2004 05:35:58 +0200 (MET DST) Received: from smtp1.adl2.internode.on.net (smtp1.adl2.internode.on.net [203.16.214.181]) by concorde.inria.fr (8.12.10/8.12.10) with ESMTP id i423ZtSH020345 for ; Sun, 2 May 2004 05:35:56 +0200 Received: from [192.168.1.200] (ppp116-155.lns1.syd2.internode.on.net [150.101.116.155]) by smtp1.adl2.internode.on.net (8.12.9/8.12.9) with ESMTP id i423ZqZq020344 for ; Sun, 2 May 2004 13:05:53 +0930 (CST) Subject: [Caml-list] transactions? From: skaller Reply-To: skaller@users.sourceforge.net To: The Caml Trade Content-Type: text/plain Message-Id: <1083468950.20722.189.camel@pelican.wigram> Mime-Version: 1.0 X-Mailer: Ximian Evolution 1.2.2 (1.2.2-4) Date: 02 May 2004 13:35:52 +1000 Content-Transfer-Encoding: 7bit X-Miltered: at concorde with ID 40946C9B.000 by Joe's j-chkmail (http://j-chkmail.ensmp.fr)! X-Loop: caml-list@inria.fr X-Spam: no; 0.00; sourceforge:01 threads:01 compiles:01 hashtbl:01 hashtbl:01 9660:01 glebe:01 ocaml:01 blocking:01 nsw:01 snail:02 checkout:02 thread:02 2037:03 401:93 Sender: owner-caml-list@pauillac.inria.fr Precedence: bulk Is there an Ocaml eqivalent of begin/end blocking section? I.e. something that sets the global lock if threads are enabled (but still compiles if they're not)? So can write for example: begin_trx(); if Hashtbl.mem h k then () else Hashtbl.add h k v; end_trx() and know the table won't get changed by another thread between the lookup and insertion? -- John Skaller, mailto:skaller@users.sf.net voice: 061-2-9660-0850, snail: PO BOX 401 Glebe NSW 2037 Australia Checkout the Felix programming language http://felix.sf.net ------------------- To unsubscribe, mail caml-list-request@inria.fr Archives: http://caml.inria.fr Bug reports: http://caml.inria.fr/bin/caml-bugs FAQ: http://caml.inria.fr/FAQ/ Beginner's list: http://groups.yahoo.com/group/ocaml_beginners