X-Recipient: archive-cygwin AT delorie DOT com X-SWARE-Spam-Status: No, hits=-1.9 required=5.0 tests=AWL,BAYES_00,SPF_SOFTFAIL X-Spam-Check-By: sourceware.org Message-ID: <4ACD56AF.7080905@byu.net> Date: Wed, 07 Oct 2009 21:04:15 -0600 From: Eric Blake User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8.1.23) Gecko/20090812 Thunderbird/2.0.0.23 Mnenhy/0.7.6.666 MIME-Version: 1.0 To: cygwin AT cygwin DOT com Subject: fd leak in utimensat Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-IsSubscribed: yes Mailing-List: contact cygwin-help AT cygwin DOT com; run by ezmlm List-Id: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: cygwin-owner AT cygwin DOT com Mail-Followup-To: cygwin AT cygwin DOT com Delivered-To: mailing list cygwin AT cygwin DOT com -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 I haven't spent time trying to locate where the leak is happening, but process explorer confirms that this STC leaves a handle open to the file, preventing further re-creation of a new file by the same name. #include #include #include #include #include #include int main (int argc, char **argv) { struct timespec ts[2] = { { 0, 1000000000 }, { 0, 0 } }; close (creat (argv[1], 0600)); int i = utimensat (AT_FDCWD, argv[1], ts, 0); printf ("%d %d %s\n", i, errno, strerror (errno)); unlink (argv[1]); i = creat (argv[1], 0600); printf ("%d %d %s\n", i, errno, strerror (errno)); unlink (argv[1]); return 0; } - -- Don't work too hard, make some time for fun as well! Eric Blake ebb9 AT byu DOT net -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.9 (Cygwin) Comment: Public key at home.comcast.net/~ericblake/eblake.gpg Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/ iEYEARECAAYFAkrNVq8ACgkQ84KuGfSFAYCrQQCgrJX/eknBw+gDcBpNC1nnhXdr wPYAnRRtZlQROsIIXT1+MyEzmTzqxI3H =hUjo -----END PGP SIGNATURE----- -- Problem reports: http://cygwin.com/problems.html FAQ: http://cygwin.com/faq/ Documentation: http://cygwin.com/docs.html Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple