From nobody Sat Feb 7 08:27:20 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; 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=fail(p=none dis=none) header.from=intel.com ARC-Seal: i=1; a=rsa-sha256; t=1589919224; cv=none; d=zohomail.com; s=zohoarc; b=Aiz8ryPnRATJxUQyMDbsr9HoFjnaVIClscSVVtUbQJZSrTRjwmy0dduC+mEzvC8Om28Vlyx1d9x1MxVNZSO4MOZgkeaWmiLhI+Iy19tmgiMM+7xuXjnXu5nMmDgC8lE5uEBWNFtPzP3diqyr432Jb4jpCTQzlKBF+JYZ8PtCCvc= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1589919224; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=nQON7m0aexQnTP0wjueBsXyDQV4vkdHNBV7Byfz00uw=; b=j0En5sSz49tyvjHq2i4+1Uj9RK6Jr8fYl0LVpklQ4dgbwADD8bk0Io4/h8JeRmXvzH2nL9I+l+PrI38UJHfqdbBAdFJ//chLWERK9TQWWTMd6ho1oxQsmqHaPJje4VBrsDdzO2FpdeEcIATI6CGBSSRaKM0sduDamxKavATE0wc= ARC-Authentication-Results: i=1; mx.zohomail.com; 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=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1589919224434102.28329596585297; Tue, 19 May 2020 13:13:44 -0700 (PDT) Received: from localhost ([::1]:56694 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jb8cQ-00065Y-Lg for importer@patchew.org; Tue, 19 May 2020 16:13:42 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:57678) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jb8bd-0004IS-Je for qemu-devel@nongnu.org; Tue, 19 May 2020 16:12:53 -0400 Received: from mga01.intel.com ([192.55.52.88]:59955) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jb8bc-0008AC-PD for qemu-devel@nongnu.org; Tue, 19 May 2020 16:12:53 -0400 Received: from orsmga006.jf.intel.com ([10.7.209.51]) by fmsmga101.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 19 May 2020 13:12:45 -0700 Received: from unknown (HELO localhost.localdomain) ([10.239.13.19]) by orsmga006.jf.intel.com with ESMTP; 19 May 2020 13:12:43 -0700 IronPort-SDR: fsjux6kQ6VpNYbrz4fBy506jAvONh0qzAXyoTRTDccVDCdT95Rvqb+rTopIoOW/otLEsS2C8mB L8vr1PLTDGxg== X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False IronPort-SDR: gXOo+YwpUIYKjsUDViQBdisDVbWvrDOHO8fMpgkqgrE9SiEiPyI6vucXU6ADiyPXfAVLDhu0ju 3Vx4sYIXMFnw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.73,410,1583222400"; d="scan'208";a="268007856" From: Zhang Chen To: Jason Wang Subject: [PATCH 3/7] chardev/char.c: Use qemu_co_sleep_ns if in coroutine Date: Wed, 20 May 2020 04:02:03 +0800 Message-Id: <20200519200207.17773-4-chen.zhang@intel.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200519200207.17773-1-chen.zhang@intel.com> References: <20200519200207.17773-1-chen.zhang@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable 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=192.55.52.88; envelope-from=chen.zhang@intel.com; helo=mga01.intel.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/05/19 16:12:40 X-ACL-Warn: Detected OS = FreeBSD 9.x or newer [fuzzy] X-Spam_score_int: -35 X-Spam_score: -3.6 X-Spam_bar: --- X-Spam_report: (-3.6 / 5.0 requ) BAYES_00=-1.9, FROM_ADDR_WS=2.999, FROM_WSP_TRAIL=0.001, HEADER_FROM_DIFFERENT_DOMAINS=0.249, RCVD_IN_DNSWL_HI=-5, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001 autolearn=_AUTOLEARN X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Zhang Chen , Lukas Straub , qemu-dev , Zhang Chen Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" From: Lukas Straub This will be needed in the next patch. Signed-off-by: Lukas Straub Reviewed-by: Marc-Andr=C3=A9 Lureau Reviewed-by: Zhang Chen Signed-off-by: Zhang Chen Reviewed-by: Philippe Mathieu-Daud=C3=A9 --- chardev/char.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/chardev/char.c b/chardev/char.c index 0196e2887b..4c58ea1836 100644 --- a/chardev/char.c +++ b/chardev/char.c @@ -38,6 +38,7 @@ #include "qemu/module.h" #include "qemu/option.h" #include "qemu/id.h" +#include "qemu/coroutine.h" =20 #include "chardev/char-mux.h" =20 @@ -119,7 +120,11 @@ static int qemu_chr_write_buffer(Chardev *s, retry: res =3D cc->chr_write(s, buf + *offset, len - *offset); if (res < 0 && errno =3D=3D EAGAIN && write_all) { - g_usleep(100); + if (qemu_in_coroutine()) { + qemu_co_sleep_ns(QEMU_CLOCK_REALTIME, 100000); + } else { + g_usleep(100); + } goto retry; } =20 --=20 2.17.1