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 JAA20686; Tue, 12 Nov 2002 09:31:09 +0100 (MET) 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 JAA20671 for ; Tue, 12 Nov 2002 09:30:53 +0100 (MET) Received: from quux.msi.co.jp (quux.msi.co.jp [192.51.54.2]) by concorde.inria.fr (8.11.1/8.11.1) with ESMTP id gAC8UnX02955 for ; Tue, 12 Nov 2002 09:30:50 +0100 (MET) Received: from hide.msi.co.jp (hide.msi.co.jp [192.51.54.11]) by quux.msi.co.jp (8.9.3/3.7W01081412-msi-ms) with SMTP id LAA00886 for ; Mon, 11 Nov 2002 11:32:02 +0900 (JST) Received: from asuka.msi.co.jp ([192.51.53.132]) by hide.msi.co.jp (NAVGW 2.5.2.12) with SMTP id M2002111111320108288 for ; Mon, 11 Nov 2002 11:32:01 +0900 Received: from localhost (grover.msi.co.jp [192.51.53.141]) by asuka.msi.co.jp (8.8.8+Sun/8.8.8) with ESMTP id LAA14035 for ; Mon, 11 Nov 2002 11:31:32 +0900 (JST) To: caml-list@inria.fr Subject: [Caml-list] Sys_error("Bad file descriptor") X-Mailer: Mew version 1.94.2 on Emacs 20.7 / Mule 4.0 (HANANOEN) Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Message-Id: <20021111113157D.ikeda@msi.co.jp> Date: Mon, 11 Nov 2002 11:31:57 +0900 From: IKEDA Katsumi X-Dispatcher: imput version 990905(IM130) Sender: owner-caml-list@pauillac.inria.fr Precedence: bulk Hi, I make my log class the following. ---------------- pslog.ml ---------------- (* pslog.ml *) class log = object val mutable out = stderr method log_open name = out <- open_out_gen [Open_append;Open_creat] 0o666 name; method log_close = close_out out method write mes = output_string out mes; flush out; end ---------------- pslog.ml ---------------- I use on Debian GNU/Linux 3.0 : mylog#log_open(/var/tmp/mylog); mylog#write("program start\n"); Then the following error occurred. Fatal error: exception Sys_error("Bad file descriptor") On FreeBSD 4.5, same error occurred. On Red Hat Linux 7.2, no error occurred. I change out <- open_out_gen [Open_append;Open_creat] 0o666 name; into out <- open_out name; then program works well. When I write in my pslog.ml -- Printf.printf "out = %d\n" (Obj.magic out); flush stdout; same value is printed. What is wrong? Thanks. -- IKEDA Katsumi ------------------- 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