From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Lars Ingebrigtsen Newsgroups: gmane.emacs.bugs Subject: bug#50849: 28.0.50; Proposal for Emacs daemon to signal when being busy Date: Fri, 02 Sep 2022 14:28:18 +0200 Message-ID: <87czceufj1.fsf@gnus.org> References: <86czouksh2.fsf@protected.rcdrun.com> <83mtnykpij.fsf@gnu.org> <87tui5fdku.fsf@gnus.org> <83y27hjhy2.fsf@gnu.org> <87r10uvxr9.fsf@gnus.org> <83o7vyowcl.fsf@gnu.org> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="31035"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/29.0.50 (gnu/linux) Cc: bugs@gnu.support, 50849@debbugs.gnu.org To: Eli Zaretskii Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Fri Sep 02 14:29:11 2022 Return-path: Envelope-to: geb-bug-gnu-emacs@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 1oU5nK-0007qE-HP for geb-bug-gnu-emacs@m.gmane-mx.org; 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Original-Received: from [84.212.220.105] (helo=joga) by quimby.gnus.org with esmtpsa (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1oU5mW-0005P0-SK; Fri, 02 Sep 2022 14:28:23 +0200 In-Reply-To: <83o7vyowcl.fsf@gnu.org> (Eli Zaretskii's message of "Fri, 02 Sep 2022 14:21:30 +0300") Face: iVBORw0KGgoAAAANSUhEUgAAADAAAAAwBAMAAAClLOS0AAAABGdBTUEAALGPC/xhBQAAACBj SFJNAAB6JgAAgIQAAPoAAACA6AAAdTAAAOpgAAA6mAAAF3CculE8AAAAGFBMVEUoJSQjHx4hHR2f iXaJd2hbUEnWxK3///8K34IbAAAAAWJLR0QHFmGI6wAAAAd0SU1FB+YJAgwYE6Rv2CYAAAGiSURB VDjLdZPBcoQgDIaDLT2jM70vTvcJUM5OV/dMK3jujG7e/xEKgQXdbeMB4eNPAiEA/xoDIf5ar/eW dzB2BBEJGh9BWnoC2TyQ8ech3H2WYj6BnE0BjCJRngd3sMu/O2XS1LA7V1ecwQGofBWQAC1YM+X4 AlgBFzAlsaikOUc352sVghQU4g2tnkxCEF3RZEGNHTeHepDiuiJu7lgoGjXibZ3V5EZTFPyiFXpX uOCGa2+yYsZg18BIREB6gcJoq8ZtVl1MrpXAvZPgKIi2eVURyBped+C2qAKsJi/hIPgTAAVpBcya NmuNgx6Uj0HAH8+SGxW+DcZxdHfgVPR/wX5478bJGUPnAG47f2yLIw4s3lYEgknv7Yd3Vn9CJesM Wla37bKi43b9ivdk0pXIunnBDeT55utXQONBfbr2Po8qPhFRFIx99N/ATqk4CZD87Crwf6W57hXk w2m3un8lQ3naD+C5OUvuByDro+8CWvlAYte2wXZN5TNmYYiglfu+rOw4TgkkVQL+FW0FNFlXXUIp M5BeJKn9Gu6sKSDpUuuxX1tac6VJAgipAAAAJXRFWHRkYXRlOmNyZWF0ZQAyMDIyLTA5LTAyVDEy OjI0OjE5KzAwOjAwjskfBwAAACV0RVh0ZGF0ZTptb2RpZnkAMjAyMi0wOS0wMlQxMjoyNDoxOSsw MDowMP+Up7sAAAAASUVORK5CYII= X-Now-Playing: Billie Eilish's _When we all fall asleep where do we go?_: "I Love You" X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-BeenThere: bug-gnu-emacs@gnu.org List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.io gmane.emacs.bugs:241328 Archived-At: Eli Zaretskii writes: > Looks like it doesn't by default, but we can ask it to do so. See, > for example, > https://stackoverflow.com/questions/30395258/setting-timeout-to-recv-func= tion. For posterity (in case Stackoverflow goes away before somebody gets around to fixing this =F0=9F=AB=A0), the suggested solution is to do a sets= ockopt with a RCVTIMEO. Which seems reasonable. What would be a reasonable timeout here? Say... five seconds? --- On Windows, the code would look like this: DWORD timeout =3D SOCKET_READ_TIMEOUT_SEC * 1000; setsockopt(s, SOL_SOCKET, SO_RCVTIMEO, (char*)&timeout, sizeof(timeout)); //... recv_size =3D recv(s, rx_tmp, bufSize, 0); if (recv_size =3D=3D SOCKET_ERROR) { if (WSAGetLastError() !=3D WSAETIMEDOUT) //... } On other platforms, the code would look like this instead: struct timeval timeout; timeout.tv_sec =3D SOCKET_READ_TIMEOUT_SEC; timeout.tv_usec =3D 0; setsockopt(s, SOL_SOCKET, SO_RCVTIMEO, &timeout, sizeof(timeout)); //... recv_size =3D recv(s, rx_tmp, bufSize, 0); if (recv_size =3D=3D -1) { if ((errno !=3D EAGAIN) && (errno !=3D EWOULDBLOCK)) //... }