From patchwork Fri Jan 20 14:44:43 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mikko Rapeli X-Patchwork-Id: 18358 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from aws-us-west-2-korg-lkml-1.web.codeaurora.org (localhost.localdomain [127.0.0.1]) by smtp.lore.kernel.org (Postfix) with ESMTP id E0C72C52D77 for ; Fri, 20 Jan 2023 14:45:08 +0000 (UTC) Received: from mail.kapsi.fi (mail.kapsi.fi [91.232.154.25]) by mx.groups.io with SMTP id smtpd.web11.75996.1674225902381684696 for ; Fri, 20 Jan 2023 06:45:02 -0800 Authentication-Results: mx.groups.io; dkim=missing; spf=none, err=permanent DNS error (domain: lakka.kapsi.fi, ip: 91.232.154.25, mailfrom: mcfrisk@lakka.kapsi.fi) Received: from kapsi.fi ([2001:67c:1be8::11] helo=lakka.kapsi.fi) by mail.kapsi.fi with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1pIsdY-006KVJ-Hj; Fri, 20 Jan 2023 16:45:00 +0200 Received: from mcfrisk by lakka.kapsi.fi with local (Exim 4.94.2) (envelope-from ) id 1pIsdY-00CEWn-8Y; Fri, 20 Jan 2023 16:45:00 +0200 From: Mikko Rapeli To: openembedded-core@lists.openembedded.org Cc: Mikko Rapeli Subject: [PATCH 07/14] oeqa qemurunner.py: use os.set_blocking() instead of fcntl() Date: Fri, 20 Jan 2023 16:44:43 +0200 Message-Id: <20230120144450.2913935-8-mikko.rapeli@linaro.org> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20230120144450.2913935-1-mikko.rapeli@linaro.org> References: <20230120144450.2913935-1-mikko.rapeli@linaro.org> MIME-Version: 1.0 X-Rspam-Score: -1.2 (-) X-Rspam-Report: Action: no action Symbol: RCVD_TLS_LAST(0.00) Symbol: ARC_NA(0.00) Symbol: DMARC_POLICY_SOFTFAIL(0.10) Symbol: FROM_HAS_DN(0.00) Symbol: TO_DN_SOME(0.00) Symbol: R_MISSING_CHARSET(0.50) Symbol: TO_MATCH_ENVRCPT_ALL(0.00) Symbol: MIME_GOOD(-0.10) Symbol: RCPT_COUNT_TWO(0.00) Symbol: MID_CONTAINS_FROM(1.00) Symbol: NEURAL_HAM(-0.00) Symbol: R_SPF_NA(0.00) Symbol: FORGED_SENDER(0.30) Symbol: R_DKIM_NA(0.00) Symbol: MIME_TRACE(0.00) Symbol: ASN(0.00) Symbol: FROM_NEQ_ENVFROM(0.00) Symbol: BAYES_HAM(-3.00) Symbol: RCVD_COUNT_TWO(0.00) Message-ID: 20230120144450.2913935-8-mikko.rapeli@linaro.org X-SA-Exim-Connect-IP: 2001:67c:1be8::11 X-SA-Exim-Mail-From: mcfrisk@lakka.kapsi.fi X-SA-Exim-Scanned: No (on mail.kapsi.fi); SAEximRunCond expanded to false List-Id: X-Webhook-Received: from li982-79.members.linode.com [45.33.32.79] by aws-us-west-2-korg-lkml-1.web.codeaurora.org with HTTPS for ; Fri, 20 Jan 2023 14:45:08 -0000 X-Groupsio-URL: https://lists.openembedded.org/g/openembedded-core/message/176198 It's now available since python 3.5. Then add debug prints to leave traces if something still hangs or fails. Signed-off-by: Mikko Rapeli --- meta/lib/oeqa/utils/qemurunner.py | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/meta/lib/oeqa/utils/qemurunner.py b/meta/lib/oeqa/utils/qemurunner.py index b5fed6c9fe..49ec3858c7 100644 --- a/meta/lib/oeqa/utils/qemurunner.py +++ b/meta/lib/oeqa/utils/qemurunner.py @@ -123,12 +123,12 @@ class QemuRunner: f.write("%s" % msg) def getOutput(self, o): - import fcntl - fl = fcntl.fcntl(o, fcntl.F_GETFL) - fcntl.fcntl(o, fcntl.F_SETFL, fl | os.O_NONBLOCK) + os.set_blocking(o.fileno(), False) try: + self.logger.debug('Calling read()') return os.read(o.fileno(), 1000000).decode("utf-8") except BlockingIOError: + self.logger.debug('BlockingIOError but should not have happened!') return ""