From nobody Sun Sep 28 16:32:33 2025 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass(p=none dis=none) header.from=gmail.com ARC-Seal: i=1; a=rsa-sha256; t=1758725514; cv=none; d=zohomail.com; s=zohoarc; b=aO2+SfKCxOtk6VToQ6ellpFC6B3wOV+d3jFrRRytMTbpArtyTbszLjqmGaGMh2otEzWG6rYuTPegRxGVNKa+lE2Y4k0RgnYO1y/d4JXTUhw0S55bEy3OsSo+XWCUX4P5L6kHCWi8KgL8QsNUqo9x1KSnrj6SveWJ3h39bXWTCM8= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1758725514; h=Content-Type:Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:Subject:To:To:Message-Id:Reply-To; bh=fKsW8MTn6Ud4eb6hMK8khOSmJ73MNvmZ+g7b8RpElHI=; b=PkUm2TQ/m+ItyfoIRSNEH5BkQl3DgPLjyGUZrDkBfZIVFIqoST3wPaXPyWcfrodQ7TrAoyhQfjukFGOfyMsxZkXh2AQ+HpSi8lMNMYEG8vJuQuL4oVWtilb4udtIaOMJQlJ38wtHIY88xMoy4xn9ReSLTN2Dn463YgtXczzb1fk= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass header.from= (p=none dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1758725514828150.8305302237345; Wed, 24 Sep 2025 07:51:54 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1v1QpU-0003jj-9y; Wed, 24 Sep 2025 10:50:48 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1v1QpR-0003iJ-Ab for qemu-devel@nongnu.org; Wed, 24 Sep 2025 10:50:45 -0400 Received: from mail-wr1-x42a.google.com ([2a00:1450:4864:20::42a]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1v1QpI-00085g-6d for qemu-devel@nongnu.org; Wed, 24 Sep 2025 10:50:45 -0400 Received: by mail-wr1-x42a.google.com with SMTP id ffacd0b85a97d-3f0308469a4so2840466f8f.0 for ; Wed, 24 Sep 2025 07:50:35 -0700 (PDT) Received: from GAL-PC.localdomain (bzq-79-177-159-123.red.bezeqint.net. [79.177.159.123]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-3ee07407cffsm28188158f8f.16.2025.09.24.07.50.32 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 24 Sep 2025 07:50:32 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1758725433; x=1759330233; darn=nongnu.org; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:from:to:cc:subject:date:message-id :reply-to; bh=fKsW8MTn6Ud4eb6hMK8khOSmJ73MNvmZ+g7b8RpElHI=; b=V6xr/x8SfDC4+3dYOlOeyMMALUvYyW9aeLc4qtPKNZegY3o/i5yHwbxy/9JzJ1GGpk 2YFm6zUCwa7MOO7jiebdG7JWrsbvb09l82eU9kDhCt/N/6CaCMtYm+tmpRExp+DSQlNi hXK+KSKqV/UhANrKfz0nlMos3w9sPFhORNqnGk4Siy/WlR7lUd9B8kGPdPBamGB1fZ5O VcdRrbus5PlcTRpWZ5TU1PEQqkPhLB8j71iel6tjbMebVN3guO1QsQTev4UxkSeqJpA0 gLJf69dZAPdRHBI3iiTAZ/zyJluaZTt2czkwVp+RfTEl4qHfpRoU/QMrsvEr2e1fs7TU 2VpA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1758725433; x=1759330233; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=fKsW8MTn6Ud4eb6hMK8khOSmJ73MNvmZ+g7b8RpElHI=; b=oblBwGtaP7DbLjgP6QXnu8/waBeVNGUTEmxZCbhNI39zKhEJO3F0jZ8zbU1HYmLRuF ODHpz7WVHyDf7zCjBg4YsRLs10kL5vRboeFssClF+dCax6tUOn8Jlba5HQaD/JyDER0x 36ijBO4MDOaixbL+/f/pJ76s7ttSGMRSWdVM9IpuC/HCE2SW2snhqzIf2KkkjN9TrVBw /ioFhsZYMP/Y06ikvli0BqL7cuZkMDukNiPQ6tDg3ChVbvKtYeHuDrmc28pfzCTiQbwu 1XxnXtdwsiW50R2ykAzvThyQW0rQXuZEGo2dYnw4L4myu9xhk9N4O/oAH4JChqpxz9kY 4CBA== X-Gm-Message-State: AOJu0Yzw5QjZ70EZsCNnu589UpZrFnG/hFZ2ENMxpHma+TjYRj1M/Prz PqvwP7xoYLApPwqNnw9U7X41OutXUqJ0Wna6Ok78a1ayu2G/MN+6Bu6qJqH7oA== X-Gm-Gg: ASbGnculq+pR4SY8BRLjeeTHyNigYqh7cSUsCmzoA2JQclvmljFHtJVO/028fbtoWaW dCLWyAPa5Sr7LjDY+sYqLuQJmxAaOrAHl61Vh7JWZjAHs7v7+MERrq+RdI0qSfgmrQrRx/62gOM B3sj5Yz3yeWN7YT/y/50ACe8RzdoXGTTOO37i51z7uMaxWygsftAKzMuaI64QNB2+X192b94sUY vwD9B9+iub3sn5GV2j7OdfhMSH67Ne5pIdxcZGbQg36SvJQEFz5WtdfYZTKkLMrh1oymb85mBKM mA+H3Hsc+bya9hjPeoIWE7e5oEFGY6R85KmZBPhYfPpiiO5aNzj7U1GeJDVBCiMe7yegLDUZaZ4 ONA0GMTtNotkCsYe7d9gUUnhS21JDSsibqY4H26KgZg1j1VYxYF4klxrNGwqehWupZLOtkvq8bw nyjw== X-Google-Smtp-Source: AGHT+IFAKvPOrscXGN5NQtuVlKiAe8k/A6X3KeuLHZBiwQcoHRIvwUfgJAUIydjAHU2NcbGyAp0p4g== X-Received: by 2002:a05:6000:4010:b0:3fb:ddb3:f121 with SMTP id ffacd0b85a97d-40e4b1a079dmr238218f8f.45.1758725433345; Wed, 24 Sep 2025 07:50:33 -0700 (PDT) From: Gal Horowitz Date: Wed, 24 Sep 2025 17:49:50 +0300 Subject: [PATCH v3 2/2] tap-win32: allocate separate tap state for each instance MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20250924-fix-win32-multiple-taps-v3-2-9335df866c14@gmail.com> References: <20250924-fix-win32-multiple-taps-v3-0-9335df866c14@gmail.com> In-Reply-To: <20250924-fix-win32-multiple-taps-v3-0-9335df866c14@gmail.com> To: qemu-devel@nongnu.org Cc: Jason Wang , Stefan Weil , Gal Horowitz X-Mailer: b4 0.14.2 Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2a00:1450:4864:20::42a; envelope-from=galush.horowitz@gmail.com; helo=mail-wr1-x42a.google.com X-Spam_score_int: 12 X-Spam_score: 1.2 X-Spam_bar: + X-Spam_report: (1.2 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_SBL_CSS=3.335, SPF_HELO_NONE=0.001, T_SPF_TEMPERROR=0.01 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @gmail.com) X-ZM-MESSAGEID: 1758725516542116600 Signed-off-by: Gal Horowitz --- net/tap-win32.c | 19 ++++++++++++------- 1 file changed, 12 insertions(+), 7 deletions(-) diff --git a/net/tap-win32.c b/net/tap-win32.c index 1a79e35c2708eae32ccdbc873908aa1ccc7a03f0..1b83423191c5a6f248c771d5eb5= 582cc80e8abcb 100644 --- a/net/tap-win32.c +++ b/net/tap-win32.c @@ -115,8 +115,6 @@ typedef struct tap_win32_overlapped { tun_buffer_t* output_queue_back; } tap_win32_overlapped_t; =20 -static tap_win32_overlapped_t tap_overlapped; - static tun_buffer_t* get_buffer_from_free_list(tap_win32_overlapped_t* con= st overlapped) { tun_buffer_t* buffer =3D NULL; @@ -403,8 +401,10 @@ static int tap_win32_set_status(HANDLE handle, int sta= tus) &status, sizeof (status), &len, NULL); } =20 -static void tap_win32_overlapped_init(tap_win32_overlapped_t* const overla= pped, const HANDLE handle) +static tap_win32_overlapped_t *tap_win32_overlapped_new(const HANDLE handl= e) { + tap_win32_overlapped_t *overlapped =3D g_new0(tap_win32_overlapped_t, = 1); + overlapped->handle =3D handle; =20 overlapped->read_event =3D CreateEvent(NULL, FALSE, FALSE, NULL); @@ -455,6 +455,8 @@ static void tap_win32_overlapped_init(tap_win32_overlap= ped_t* const overlapped, overlapped->tap_semaphore =3D CreateSemaphore(NULL, 0, TUN_MAX_BUFFER_= COUNT, NULL); if(!overlapped->tap_semaphore) fprintf(stderr, "error creating tap_semaphore.\n"); + + return overlapped; } =20 static int tap_win32_write(tap_win32_overlapped_t *overlapped, @@ -605,6 +607,7 @@ static int tap_win32_open(tap_win32_overlapped_t **phan= dle, unsigned long debug; } version; DWORD version_len; + tap_win32_overlapped_t *tap_overlapped =3D NULL; =20 if (preferred_name !=3D NULL) { snprintf(name_buffer, sizeof(name_buffer), "%s", preferred_name); @@ -645,12 +648,12 @@ static int tap_win32_open(tap_win32_overlapped_t **ph= andle, return -1; } =20 - tap_win32_overlapped_init(&tap_overlapped, handle); + tap_overlapped =3D tap_win32_overlapped_new(handle); =20 - tap_overlapped.thread_handle =3D CreateThread(NULL, 0, - tap_win32_thread_entry, (LPVOID)&tap_overlapped, 0, NULL); + tap_overlapped->thread_handle =3D CreateThread(NULL, 0, + tap_win32_thread_entry, (LPVOID)tap_overlapped, 0, NULL); =20 - *phandle =3D &tap_overlapped; + *phandle =3D tap_overlapped; =20 return 0; } @@ -670,6 +673,8 @@ static void tap_win32_close(tap_win32_overlapped_t *ove= rlapped) CloseHandle(overlapped->read_event); =20 CloseHandle(overlapped->handle); + + g_free(overlapped); } =20 /********************************************/ --=20 2.34.1