From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 10380C4338F for ; Thu, 12 Aug 2021 12:01:02 +0000 (UTC) Received: from alsa0.perex.cz (alsa0.perex.cz [77.48.224.243]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 5F97860187 for ; Thu, 12 Aug 2021 12:01:00 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 5F97860187 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=suse.de Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=alsa-project.org Received: from alsa1.perex.cz (alsa1.perex.cz [207.180.221.201]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by alsa0.perex.cz (Postfix) with ESMTPS id 258E91901; Thu, 12 Aug 2021 14:00:08 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz 258E91901 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1628769658; bh=IRbB7JPcE130Gy4cWiN3RAxK51BnGcfc26Q/nKbZIlU=; h=Date:From:To:Subject:In-Reply-To:References:Cc:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From; b=ON0RSdz1rWNqq9czRCenhK7l/15RRVIWK83pgAGGHSZwtJFSCZo6zd2/sNvPSGuO9 UDFFmW2J7ba/gONTcPznRCs36GZtjh6Jy0MBCpH1EV4J2Rg2qXHvOF6jrkm7hFu+03 C3qdoGDj4FB9bkSCkQdG18dYdjuphKfOowAIS5po= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id A569CF80148; Thu, 12 Aug 2021 14:00:07 +0200 (CEST) Received: by alsa1.perex.cz (Postfix, from userid 50401) id 7337AF8025D; Thu, 12 Aug 2021 14:00:05 +0200 (CEST) Received: from smtp-out2.suse.de (smtp-out2.suse.de [195.135.220.29]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by alsa1.perex.cz (Postfix) with ESMTPS id 378C1F80148 for ; Thu, 12 Aug 2021 14:00:01 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz 378C1F80148 Authentication-Results: alsa1.perex.cz; dkim=pass (1024-bit key) header.d=suse.de header.i=@suse.de header.b="xVxyo2At"; dkim=permerror (0-bit key) header.d=suse.de header.i=@suse.de header.b="1B+gncnE" Received: from relay2.suse.de (relay2.suse.de [149.44.160.134]) by smtp-out2.suse.de (Postfix) with ESMTP id 1590C1FF36; Thu, 12 Aug 2021 12:00:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_rsa; t=1628769600; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=4r0y4btZlOlF3X1ot4mdSAmvjxoAlF2u85lqdaoQQwQ=; b=xVxyo2AtDkH2IGVXZfXf0+9lcVaVi7l+ScqubyNVbglZ4BQqnLMRy9lJbzXFg33Nvgeecf FL/OxRfKeMlvJDwy2/xhAzPax49jDwj2TATG8NOesxdVsPadqaB0dpz/Hb0KrHAzK8Dc4W aIEY3rbxkBxeFh5WgbASLSkVcB7r4iQ= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_ed25519; t=1628769600; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=4r0y4btZlOlF3X1ot4mdSAmvjxoAlF2u85lqdaoQQwQ=; b=1B+gncnEwr8Dtx2Bz6aUqAcFmf14PYPEw8Br8cQfB0X8ToqCEXLSY7vh32KcM+uKupWJiU z21i/3of+Qw3PsAA== Received: from alsa1.suse.de (alsa1.suse.de [10.160.4.42]) by relay2.suse.de (Postfix) with ESMTP id EEFA6A3EF2; Thu, 12 Aug 2021 11:59:59 +0000 (UTC) Date: Thu, 12 Aug 2021 13:59:59 +0200 Message-ID: From: Takashi Iwai To: folkert Subject: Re: waiting for a connection In-Reply-To: <20210809072712.GL890690@belle.intranet.vanheusden.com> References: <20210809072712.GL890690@belle.intranet.vanheusden.com> User-Agent: Wanderlust/2.15.9 (Almost Unreal) SEMI/1.14.6 (Maruoka) FLIM/1.14.9 (=?UTF-8?B?R29qxY0=?=) APEL/10.8 Emacs/25.3 (x86_64-suse-linux-gnu) MULE/6.0 (HANACHIRUSATO) MIME-Version: 1.0 (generated by SEMI 1.14.6 - "Maruoka") Content-Type: text/plain; charset=US-ASCII Cc: alsa-devel@alsa-project.org X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: "Alsa-devel" On Mon, 09 Aug 2021 09:27:12 +0200, folkert wrote: > > Hi, > > When I create an ALSA MIDI port, is it possible (how?) to wait for > someone to connect to it/map it to an other port? For rawmidi, there is no such a feature. For ALSA sequencer, you can watch the subscription notifications, at least. Takashi > > This would allow me to only allocate extra resources when needed (in my > case: connect to ipmidi-peer (in unicast mode)). > > > regards >