From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Qiantan Hong Newsgroups: gmane.emacs.devel Subject: Re: LOCK-BUFFER when two buffer visits the same buffer Date: Sat, 11 Dec 2021 12:06:09 +0000 Message-ID: References: <875yrv74hk.fsf@gnu.org> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="5867"; mail-complaints-to="usenet@ciao.gmane.io" Cc: "emacs-devel@gnu.org" To: Tassilo Horn , Eli Zaretskii Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Sat Dec 11 13:07:35 2021 Return-path: Envelope-to: ged-emacs-devel@m.gmane-mx.org Original-Received: from lists.gnu.org ([209.51.188.17]) by ciao.gmane.io with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1mw1A6-0001OA-UJ for ged-emacs-devel@m.gmane-mx.org; Sat, 11 Dec 2021 13:07:34 +0100 Original-Received: from localhost ([::1]:51444 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mw1A3-0000PO-1v for ged-emacs-devel@m.gmane-mx.org; Sat, 11 Dec 2021 07:07:31 -0500 Original-Received: from eggs.gnu.org ([209.51.188.92]:54480) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mw18t-00087T-O9 for emacs-devel@gnu.org; Sat, 11 Dec 2021 07:06:19 -0500 Original-Received: from outgoing-exchange-3.mit.edu ([18.9.28.13]:41731) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mw18p-0006d5-RO; Sat, 11 Dec 2021 07:06:19 -0500 Original-Received: from oc11exedge2.exchange.mit.edu (OC11EXEDGE2.EXCHANGE.MIT.EDU [18.9.3.18]) by outgoing-exchange-3.mit.edu (8.14.7/8.12.4) with ESMTP id 1BBC5qCB018677; Sat, 11 Dec 2021 07:06:14 -0500 Original-Received: from oc11expo16.exchange.mit.edu (18.9.4.47) by oc11exedge2.exchange.mit.edu (18.9.3.18) with Microsoft SMTP Server (TLS) id 15.0.1497.26; Sat, 11 Dec 2021 07:05:50 -0500 Original-Received: from oc11expo16.exchange.mit.edu (18.9.4.47) by oc11expo16.exchange.mit.edu (18.9.4.47) with Microsoft SMTP Server (TLS) id 15.0.1497.23; Sat, 11 Dec 2021 07:06:09 -0500 Original-Received: from oc11expo16.exchange.mit.edu ([18.9.4.47]) by oc11expo16.exchange.mit.edu ([18.9.4.47]) with mapi id 15.00.1497.023; Sat, 11 Dec 2021 07:06:09 -0500 Thread-Topic: LOCK-BUFFER when two buffer visits the same buffer Thread-Index: AQHX7nXcf5jT5RDDGkWVrAaQKX9aSqwtfyGAgAAGu4A= In-Reply-To: <875yrv74hk.fsf@gnu.org> Accept-Language: en-US Content-Language: en-US x-ms-exchange-messagesentrepresentingtype: 1 x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [128.12.11.144] Content-ID: <54BC685CAD7D624185B4F21C3AEE2F0E@exchange.mit.edu> Received-SPF: pass client-ip=18.9.28.13; envelope-from=qhong@mit.edu; helo=outgoing-exchange-3.mit.edu X-Spam_score_int: -41 X-Spam_score: -4.2 X-Spam_bar: ---- X-Spam_report: (-4.2 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Original-Sender: "Emacs-devel" Xref: news.gmane.io gmane.emacs.devel:281678 Archived-At: PiBsb2NrLWJ1ZmZlciBkb2Vzbid0IHN1cHBvcnQgd2hhdCB5b3UgYXJlIGV2aWRlbnRseSB0cnlp bmcgdG8gZG8uICBJdHMNCj4gaW50ZW5kZWQgdXNlIGlzIHRvIHByZXZlbnQgc2ltdWx0YW5lb3Vz IG1vZGlmaWNhdGlvbnMgb2YgYSBmaWxlIGJ5IHR3bw0KPiB1c2Vycywgb3IgYnkgYSBzaW5nbGUg dXNlciBmcm9tIHR3byBzZXBhcmF0ZSBpbnN0YW5jZXMgb2YgRW1hY3MuICBZb3UNCj4gd2FudCBy ZWZlcmVuY2UgY291bnRpbmcgKGFuZCBwcm9iYWJseSBhbHNvIGxvY2tpbmcgdGhlIGZpbGUgaW4g dGhlDQo+IGZpbGVzeXN0ZW0pLCBhbmQgdGhhdCBpc24ndCBzdXBwb3J0ZWQuDQpGaWd1cmVkIHRo YXQgb3V0LCB0aGFua3MuIEkgY291bGQgYWRkIHJlZmVyZW5jZSBjb3VudGluZyBteXNlbGYsDQpi dXQgaXQgcHJvYmFibHkgZG9lc27igJl0IHdvcnRoIHRoZSBlZmZvcnQgYXQgdGhlIG1vbWVudC4N ClRoZSBzY2VuYXJpbyBjb21lcyB1cCBpbiB0aGUgY2FzZSBvZiByZWN1cnNpdmUgdHJhbnNhY3Rp b24sDQphbmQgZ3Vlc3MgSeKAmWxsIGp1c3QgZHJvcCBzdXBwb3J0IGZvciByZWN1cnNpdmUgdHJh bnNhY3Rpb24gZm9yIG5vdy4NCg0KPj4gSSBkbyBsb2NrLWJ1ZmZlciBpbiB0aGUgZmlyc3QgYnVm ZmVyLCB0aGVuIGluIHRoZSBzZWNvbmQgYnVmZmVyLCBhbmQgSQ0KPj4ga2lsbGVkIHRoZSBzZWNv bmQgYnVmZmVyLCB0aGUgbG9jayBpcyBnb25lIOKAlCBldmVuIGl0IHNlZW1zIHRoYXQgYnVmZmVy DQo+PiBvbmUgc2hvdWxkIGhvbGQgdGhlIGxvY2shDQo+IA0KPiBNb3JlIGRldGFpbHMsIHBsZWFz ZS4gIERvIHlvdSBqdXN0IGNhbGwgKGxvY2stYnVmZmVyKSBvciAobG9jay1idWZmZXINCj4gIn4v ZmlsZSIpPyAgT25lIGVtYWNzIGluc3RhbmNlIG9yIHR3bz8NCkl04oCZcyBvbmUgRW1hY3MgaW5z dGFuY2UuDQpJIGNhbGxlZCAobG9jay1idWZmZXIpIGFmdGVyIEkgc2V0IHRoZSBidWZmZXItZmls ZS10cnVlbmFtZSBvZiBhIHRlbXBvcmFyeSBidWZmZXIuDQpJbiBteSBjYXNlLCAobG9jay1idWZm ZXIgRklMRSkgc2VlbXMgdG8gbWFrZSBtb3JlIHNlbnNlLCBidXQgSSBkb27igJl0DQprbm93IGhv dyB0byB1bmxvY2sgaXQuIFRoZXJlZm9yZSBJIGp1c3QgZmFrZSBpdCB3aXRoIGEgdGVtcG9yYXJ5 IGJ1ZmZlcg0KKHNvIEkgY2FuIHVubG9jayBpdCBieSBkb2luZyAodW5sb2NrLWJ1ZmZlcikgaW4g dGhhdCBidWZmZXIgbGF0ZXIsIG9yIA0KanVzdCBraWxsIGl0IGRpcmVjdGx5KQ==