From nobody Fri Dec 19 17:36:22 2025 Received: from mail.codeweavers.com (mail.codeweavers.com [4.36.192.163]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 94CFD57307; Mon, 19 Feb 2024 22:39:40 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=4.36.192.163 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1708382382; cv=none; b=Mms8oXUr1aywWyS50n9U9YtgWbuqzvzq/NM39fBXhXle7PV9QZYe0JAtsE/Pq4K8It/okuKKt/iX/gtsItGTxtTE6G/fr97twB6U9SdBp2wK3I2oanEuiiFIm4YE2gVfbglGQv0OOmCR2uZrbje4ZXckAQc8JGW3hQX03HH+NUQ= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1708382382; c=relaxed/simple; bh=FzJOOSC9UUHrWRcI7UAQtasAek/KIUNP0SrrKFAkeFc=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=GJzKpwRqqP1YW5P+HV/GRJXrPNY7IQAZFan7JJ+liHWItouC8PysJEvm61rVDALI+j2Pba2dXcp+hAyKNuxHuJfXZWkN+ML2Gt9HYKxHIrTfdQQNKjy6O/ZQ10kg4bn0ISI/AUhLItMaYTNhDp2YbEFfDfSCyg3gchrRbrgyUlI= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=codeweavers.com; spf=pass smtp.mailfrom=codeweavers.com; dkim=pass (2048-bit key) header.d=codeweavers.com header.i=@codeweavers.com header.b=jUswTr/G; arc=none smtp.client-ip=4.36.192.163 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=codeweavers.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=codeweavers.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=codeweavers.com header.i=@codeweavers.com header.b="jUswTr/G" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=codeweavers.com; s=s1; h=Message-ID:Date:Subject:Cc:To:From:Sender; bh=mD7kGOKMw9/SgIhNijECJqDpS2n0gwPnb6QPtQ/fOO8=; b=jUswTr/GiG/c8wOnuzhqbcgsnb gd2/yfNt21JrJFYmZomc47T2isYYWmFhJy/e9d+WQyhAykuYUtLvWdzYTkCR05R70cL57w83VDbYE djY4gNAA+1tgC0sCMCyYiBNI0e9dTYUFJfNOwOr0EQbL5HZLhE6Ax6VEG0tUtQXdns6iaG/BpyAcB Fq1Og8UVECUTECFMvKaQiwVV25hrmjhZXkK4uRKQ0UgZGu0rjc+T5Wzd9hYiDuaEUGipyOC8lZBVa kQY6urj4PGGu9sZ2fN828vm894YaPDJL4rK8ksY4wMD4hYP+gNkV5Y//a56adhfFhTVoHwB8La5ng cHR+2NSg==; Received: from cw137ip160.mn.codeweavers.com ([10.69.137.160] helo=camazotz.mn.codeweavers.com) by mail.codeweavers.com with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1rcCIU-0037Oz-0l; Mon, 19 Feb 2024 16:39:38 -0600 From: Elizabeth Figura To: Arnd Bergmann , Greg Kroah-Hartman , Jonathan Corbet , Shuah Khan Cc: linux-kernel@vger.kernel.org, linux-api@vger.kernel.org, wine-devel@winehq.org, =?UTF-8?q?Andr=C3=A9=20Almeida?= , Wolfram Sang , Arkadiusz Hiler , Peter Zijlstra , Andy Lutomirski , linux-doc@vger.kernel.org, linux-kselftest@vger.kernel.org, Randy Dunlap , Elizabeth Figura Subject: [PATCH v2 28/31] selftests: ntsync: Add some tests for wakeup signaling via alerts. Date: Mon, 19 Feb 2024 16:38:30 -0600 Message-ID: <20240219223833.95710-29-zfigura@codeweavers.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240219223833.95710-1-zfigura@codeweavers.com> References: <20240219223833.95710-1-zfigura@codeweavers.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Expand the alert tests to cover alerting a thread mid-wait, to test that the relevant scheduling logic works correctly. Signed-off-by: Elizabeth Figura --- .../testing/selftests/drivers/ntsync/ntsync.c | 62 +++++++++++++++++++ 1 file changed, 62 insertions(+) diff --git a/tools/testing/selftests/drivers/ntsync/ntsync.c b/tools/testin= g/selftests/drivers/ntsync/ntsync.c index 5465a16d38b3..968874d7e325 100644 --- a/tools/testing/selftests/drivers/ntsync/ntsync.c +++ b/tools/testing/selftests/drivers/ntsync/ntsync.c @@ -1113,9 +1113,12 @@ TEST(wake_all) TEST(alert_any) { struct ntsync_event_args event_args =3D {0}; + struct ntsync_wait_args wait_args =3D {0}; struct ntsync_sem_args sem_args =3D {0}; __u32 index, count, signaled; + struct wait_args thread_args; int objs[2], fd, ret; + pthread_t thread; =20 fd =3D open("/dev/ntsync", O_CLOEXEC | O_RDONLY); ASSERT_LE(0, fd); @@ -1163,6 +1166,34 @@ TEST(alert_any) EXPECT_EQ(0, ret); EXPECT_EQ(2, index); =20 + /* test wakeup via alert */ + + ret =3D ioctl(event_args.event, NTSYNC_IOC_EVENT_RESET, &signaled); + EXPECT_EQ(0, ret); + + wait_args.timeout =3D get_abs_timeout(1000); + wait_args.objs =3D (uintptr_t)objs; + wait_args.count =3D 2; + wait_args.owner =3D 123; + wait_args.index =3D 0xdeadbeef; + wait_args.alert =3D event_args.event; + thread_args.fd =3D fd; + thread_args.args =3D &wait_args; + thread_args.request =3D NTSYNC_IOC_WAIT_ANY; + ret =3D pthread_create(&thread, NULL, wait_thread, &thread_args); + EXPECT_EQ(0, ret); + + ret =3D wait_for_thread(thread, 100); + EXPECT_EQ(ETIMEDOUT, ret); + + ret =3D ioctl(event_args.event, NTSYNC_IOC_EVENT_SET, &signaled); + EXPECT_EQ(0, ret); + + ret =3D wait_for_thread(thread, 100); + EXPECT_EQ(0, ret); + EXPECT_EQ(0, thread_args.ret); + EXPECT_EQ(2, wait_args.index); + close(event_args.event); =20 /* test with an auto-reset event */ @@ -1199,9 +1230,12 @@ TEST(alert_any) TEST(alert_all) { struct ntsync_event_args event_args =3D {0}; + struct ntsync_wait_args wait_args =3D {0}; struct ntsync_sem_args sem_args =3D {0}; + struct wait_args thread_args; __u32 index, count, signaled; int objs[2], fd, ret; + pthread_t thread; =20 fd =3D open("/dev/ntsync", O_CLOEXEC | O_RDONLY); ASSERT_LE(0, fd); @@ -1235,6 +1269,34 @@ TEST(alert_all) EXPECT_EQ(0, ret); EXPECT_EQ(2, index); =20 + /* test wakeup via alert */ + + ret =3D ioctl(event_args.event, NTSYNC_IOC_EVENT_RESET, &signaled); + EXPECT_EQ(0, ret); + + wait_args.timeout =3D get_abs_timeout(1000); + wait_args.objs =3D (uintptr_t)objs; + wait_args.count =3D 2; + wait_args.owner =3D 123; + wait_args.index =3D 0xdeadbeef; + wait_args.alert =3D event_args.event; + thread_args.fd =3D fd; + thread_args.args =3D &wait_args; + thread_args.request =3D NTSYNC_IOC_WAIT_ALL; + ret =3D pthread_create(&thread, NULL, wait_thread, &thread_args); + EXPECT_EQ(0, ret); + + ret =3D wait_for_thread(thread, 100); + EXPECT_EQ(ETIMEDOUT, ret); + + ret =3D ioctl(event_args.event, NTSYNC_IOC_EVENT_SET, &signaled); + EXPECT_EQ(0, ret); + + ret =3D wait_for_thread(thread, 100); + EXPECT_EQ(0, ret); + EXPECT_EQ(0, thread_args.ret); + EXPECT_EQ(2, wait_args.index); + close(event_args.event); =20 /* test with an auto-reset event */ --=20 2.43.0