{"id":2226202,"url":"http://patchwork.ozlabs.org/api/patches/2226202/?format=json","web_url":"http://patchwork.ozlabs.org/project/qemu-devel/patch/20260422104042.3936506-4-marcandre.lureau@redhat.com/","project":{"id":14,"url":"http://patchwork.ozlabs.org/api/projects/14/?format=json","name":"QEMU Development","link_name":"qemu-devel","list_id":"qemu-devel.nongnu.org","list_email":"qemu-devel@nongnu.org","web_url":"","scm_url":"","webscm_url":"","list_archive_url":"","list_archive_url_format":"","commit_url_format":""},"msgid":"<20260422104042.3936506-4-marcandre.lureau@redhat.com>","list_archive_url":null,"date":"2026-04-22T10:40:04","name":"[PULL,03/40] serial COM: windows serial COM PollingFunc don't sleep","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"ab4ce88697f325ddb525fb7cbd4e662f9c9047c4","submitter":{"id":66774,"url":"http://patchwork.ozlabs.org/api/people/66774/?format=json","name":"Marc-André Lureau","email":"marcandre.lureau@redhat.com"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/qemu-devel/patch/20260422104042.3936506-4-marcandre.lureau@redhat.com/mbox/","series":[{"id":500973,"url":"http://patchwork.ozlabs.org/api/series/500973/?format=json","web_url":"http://patchwork.ozlabs.org/project/qemu-devel/list/?series=500973","date":"2026-04-22T10:40:02","name":"[PULL,01/40] ui/input-linux: close evdev fd when qemu_set_blocking fails","version":1,"mbox":"http://patchwork.ozlabs.org/series/500973/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/2226202/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2226202/checks/","tags":{},"related":[],"headers":{"Return-Path":"","X-Original-To":"incoming@patchwork.ozlabs.org","Delivered-To":"patchwork-incoming@legolas.ozlabs.org","Authentication-Results":["legolas.ozlabs.org;\n\tdkim=pass (1024-bit key;\n unprotected) header.d=redhat.com header.i=@redhat.com header.a=rsa-sha256\n header.s=mimecast20190719 header.b=IMG7f7GV;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org\n (client-ip=209.51.188.17; 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Wed, 22 Apr 2026 06:41:14 -0400","from mx-prod-mc-05.mail-002.prod.us-west-2.aws.redhat.com\n (ec2-54-186-198-63.us-west-2.compute.amazonaws.com [54.186.198.63]) by\n relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3,\n cipher=TLS_AES_256_GCM_SHA384) id us-mta-617-YFXQgU9MP5SBbtEOuSKBOw-1; Wed,\n 22 Apr 2026 06:41:08 -0400","from mx-prod-int-05.mail-002.prod.us-west-2.aws.redhat.com\n (mx-prod-int-05.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.17])\n (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)\n key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest\n SHA256)\n (No client certificate requested)\n by mx-prod-mc-05.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS\n id 22E0B19560B4; Wed, 22 Apr 2026 10:41:07 +0000 (UTC)","from localhost (unknown [10.44.22.21])\n by mx-prod-int-05.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP\n id A68CF1956095; Wed, 22 Apr 2026 10:41:05 +0000 (UTC)"],"DKIM-Signature":"v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com;\n s=mimecast20190719; t=1776854471;\n h=from:from:reply-to:subject:subject:date:date:message-id:message-id:\n to:to:cc:cc:mime-version:mime-version:content-type:content-type:\n content-transfer-encoding:content-transfer-encoding:\n in-reply-to:in-reply-to:references:references;\n bh=+fYaGsZ6mPfpuUJHsETFdqLxFxcDnCiwytGXSq+fP8E=;\n b=IMG7f7GVoxegGcJE1v5RxF11XHMBDUi8a/erV4uFwlecnt+6CKsfAKbo/sj8yUKhU3MFKV\n HfVzBnMUpMGpoZ0ZVzH7WHv2nW6vqKxHO5pSUrrpXDHAlcmyyqneTR1hA42VIcQHdooI2i\n z5l98sIJQrcZupK2iYeQu9tarsbgg3k=","X-MC-Unique":"YFXQgU9MP5SBbtEOuSKBOw-1","X-Mimecast-MFC-AGG-ID":"YFXQgU9MP5SBbtEOuSKBOw_1776854467","From":"marcandre.lureau@redhat.com","To":"qemu-devel@nongnu.org","Cc":"peter.maydell@linaro.org, Werner de Carne , =?utf-8?q?M?=\n\t=?utf-8?q?arc-Andr=C3=A9_Lureau?= ,\n Paolo Bonzini ","Subject":"[PULL 03/40] serial COM: windows serial COM PollingFunc don't sleep","Date":"Wed, 22 Apr 2026 14:40:04 +0400","Message-ID":"<20260422104042.3936506-4-marcandre.lureau@redhat.com>","In-Reply-To":"<20260422104042.3936506-1-marcandre.lureau@redhat.com>","References":"<20260422104042.3936506-1-marcandre.lureau@redhat.com>","MIME-Version":"1.0","Content-Type":"text/plain; charset=UTF-8","Content-Transfer-Encoding":"8bit","X-Scanned-By":"MIMEDefang 3.0 on 10.30.177.17","Received-SPF":"pass client-ip=170.10.129.124;\n envelope-from=marcandre.lureau@redhat.com;\n helo=us-smtp-delivery-124.mimecast.com","X-Spam_score_int":"-20","X-Spam_score":"-2.1","X-Spam_bar":"--","X-Spam_report":"(-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001,\n DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1,\n RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001,\n SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no","X-Spam_action":"no action","X-BeenThere":"qemu-devel@nongnu.org","X-Mailman-Version":"2.1.29","Precedence":"list","List-Id":"qemu development ","List-Unsubscribe":",\n ","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n ","Errors-To":"qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org","Sender":"qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org"},"content":"From: Werner de Carne \n\nResolves: https://gitlab.com/qemu-project/qemu/-/issues/1802\nSigned-off-by: Werner de Carne \n[ Marc-André - indentation fixes ]\nSigned-off-by: Marc-André Lureau \nMessage-ID: <20230807201443.2668-1-werner@carne.de>\n---\n chardev/char-win.c | 16 ++++++++++------\n 1 file changed, 10 insertions(+), 6 deletions(-)","diff":"diff --git a/chardev/char-win.c b/chardev/char-win.c\nindex fef45e83aad..e194242c9f9 100644\n--- a/chardev/char-win.c\n+++ b/chardev/char-win.c\n@@ -28,7 +28,7 @@\n #include \"qapi/error.h\"\n #include \"chardev/char-win.h\"\n \n-static void win_chr_read(Chardev *chr, DWORD len)\n+static int win_chr_read(Chardev *chr, DWORD len)\n {\n WinChardev *s = WIN_CHARDEV(chr);\n int max_size = qemu_chr_be_can_write(chr);\n@@ -40,7 +40,7 @@ static void win_chr_read(Chardev *chr, DWORD len)\n len = max_size;\n }\n if (len == 0) {\n- return;\n+ return 0;\n }\n \n ZeroMemory(&s->orecv, sizeof(s->orecv));\n@@ -56,6 +56,8 @@ static void win_chr_read(Chardev *chr, DWORD len)\n if (size > 0) {\n qemu_chr_be_write(chr, buf, size);\n }\n+\n+ return size > 0 ? 1 : 0;\n }\n \n static int win_chr_serial_poll(void *opaque)\n@@ -67,8 +69,9 @@ static int win_chr_serial_poll(void *opaque)\n \n ClearCommError(s->file, &comerr, &status);\n if (status.cbInQue > 0) {\n- win_chr_read(chr, status.cbInQue);\n- return 1;\n+ if (win_chr_read(chr, status.cbInQue)) {\n+ return 1;\n+ }\n }\n return 0;\n }\n@@ -147,8 +150,9 @@ int win_chr_pipe_poll(void *opaque)\n \n PeekNamedPipe(s->file, NULL, 0, NULL, &size, NULL);\n if (size > 0) {\n- win_chr_read(chr, size);\n- return 1;\n+ if (win_chr_read(chr, size)) {\n+ return 1;\n+ }\n }\n return 0;\n }\n","prefixes":["PULL","03/40"]}