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[85.214.156.166]) by gmr-mx.google.com with ESMTPS id u2si630390wro.0.2021.08.16.08.38.26 for (version=TLS1_2 cipher=ECDHE-ECDSA-CHACHA20-POLY1305 bits=256/256); Mon, 16 Aug 2021 08:38:26 -0700 (PDT) Received-SPF: pass (google.com: domain of amikan@ilbers.de designates 85.214.156.166 as permitted sender) client-ip=85.214.156.166; Authentication-Results: gmr-mx.google.com; spf=pass (google.com: domain of amikan@ilbers.de designates 85.214.156.166 as permitted sender) smtp.mailfrom=amikan@ilbers.de Received: from localhost.localdomain (mm-146-26-214-37.mgts.dynamic.pppoe.byfly.by [37.214.26.146] (may be forged)) (authenticated bits=0) by shymkent.ilbers.de (8.15.2/8.15.2/Debian-8) with ESMTPSA id 17GFc3h1004556 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 16 Aug 2021 17:38:21 +0200 From: Anton Mikanovich To: isar-users@googlegroups.com Cc: Anton Mikanovich Subject: [PATCH v4 3/5] image: Add reference counter Date: Mon, 16 Aug 2021 18:37:54 +0300 Message-Id: <20210816153756.3549038-4-amikan@ilbers.de> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210816153756.3549038-1-amikan@ilbers.de> References: <20210816153756.3549038-1-amikan@ilbers.de> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Spam-Status: No, score=-1.0 required=5.0 tests=ALL_TRUSTED autolearn=unavailable autolearn_force=no version=3.4.2 X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on shymkent.ilbers.de X-TUID: VpIadW+lrtu2 Image generation can be also executed in parallel, so we need to control the usage of image_do_mounts / image_undo_mounts. Signed-off-by: Anton Mikanovich --- meta/classes/image.bbclass | 39 ++++++++++++++++++++++++++++++++++---- 1 file changed, 35 insertions(+), 4 deletions(-) diff --git a/meta/classes/image.bbclass b/meta/classes/image.bbclass index 12d1616..b2a828c 100644 --- a/meta/classes/image.bbclass +++ b/meta/classes/image.bbclass @@ -52,23 +52,54 @@ DEPENDS += "${IMAGE_INSTALL}" ISAR_RELEASE_CMD_DEFAULT = "git -C ${LAYERDIR_core} describe --tags --dirty --match 'v[0-9].[0-9]*'" ISAR_RELEASE_CMD ?= "${ISAR_RELEASE_CMD_DEFAULT}" +IMG_MOUNT_CNT = "${BUILDCHROOT_DIR}_image.mount" + image_do_mounts() { - sudo flock ${MOUNT_LOCKFILE} -c ' \ + sudo -s <<'EOSUDO' + ( flock 9 + set -e + + count="1" + if [ -f "${IMG_MOUNT_CNT}" ]; then + count=$(($(cat "${IMG_MOUNT_CNT}") + 1)) + fi + echo $count > "${IMG_MOUNT_CNT}" + if [ $count -gt 1 ]; then + exit 0 + fi + mkdir -p "${BUILDROOT_DEPLOY}" "${BUILDROOT_ROOTFS}" "${BUILDROOT_WORK}" mount --bind "${DEPLOY_DIR_IMAGE}" "${BUILDROOT_DEPLOY}" mount --bind "${IMAGE_ROOTFS}" "${BUILDROOT_ROOTFS}" mount --bind "${WORKDIR}" "${BUILDROOT_WORK}" - ' + + ) 9>'${MOUNT_LOCKFILE}' +EOSUDO buildchroot_do_mounts } image_undo_mounts() { buildchroot_undo_mounts - sudo flock ${MOUNT_LOCKFILE} -c ' \ + sudo -s <<'EOSUDO' + ( flock 9 + set -e + + count="0" + if [ -f "${IMG_MOUNT_CNT}" ]; then + count=$(($(cat "${IMG_MOUNT_CNT}") - 1)) + echo $count > "${IMG_MOUNT_CNT}" + fi + if [ $count -gt 0 ]; then + exit 0 + fi + rm -f "${IMG_MOUNT_CNT}" + umount "${BUILDROOT_DEPLOY}" umount "${BUILDROOT_ROOTFS}" umount "${BUILDROOT_WORK}" - ' + + ) 9>'${MOUNT_LOCKFILE}' +EOSUDO } ROOTFSDIR = "${IMAGE_ROOTFS}" -- 2.25.1