From nobody Fri Dec 19 17:16:25 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 7B44856757; Mon, 19 Feb 2024 22:39:36 +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=OXUdKyWT4xMvm/wue4/BbzFKyrYyy9nkEwRA5PgUOKmH7WAen9CHNgKeO3XECUL82yeOQZc149w4J8hatkvA0MyWP61qVIA0e82BMkCHeXmxGiQThv7a4Cu1kd4j8byYkDJlftzMU7VM4raLymTEMGjo0Z80s8LzhXa97UbGnsw= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1708382382; c=relaxed/simple; bh=8mBpNrep45/WQcWJkfana5grpHviuBbZ8c3NZYi9TZk=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=Nt5Pg6T/gXnPe8EFUzcyW42NPmOYj4WnxZR6VrqsDXm7Pxyw6mw8uvFLcLeshqrpJIuZE5nbL1raUOakg1ifybzcYFkYm5o1t92zkekpUztuAvoeoEB7lFPQAQBn+ioPbIqTOGLxENmlIvZyyL1jzJI5guyegw37W/YEdPZ7dxs= 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=cFh+vfRO; 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="cFh+vfRO" 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=1lbo0bNxrPdMIVRoJ6+tExY5TotubsDpMSLovzCGBGc=; b=cFh+vfROTFRJKzphL+TIfHnd9m 0zBDE3e4upyHOGyRnccnoqe6HYcMNuqdMjCjXyqgX10gJ0g7lFhXjGYNJbZpPgo48MwanwIKzQbrY E2upD/HZ2XlUCoUBMHaeWNQrI2vLY3f2LV61O3KwmXpj6s4iKH1IEhR23DK33MTV5TDE3hVtb4JA7 rrxH+roPegT5Ya4ZDTsrENbLgvoq5Ua2fkvwrUx90e8vX3l4qV/2Ome0ytAyNwtP5QmdGUfwX4nej 8mGNQtHy3Ym69PqVC2rInui2UrlhnOvfm2CCANT1M4m4Wj4vr5Rxy5mYDF/Zg/ToJjgtnkSUzgYGK ApTeJMLA==; 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 1rcCIP-0037Oz-0t; Mon, 19 Feb 2024 16:39:33 -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 20/31] selftests: ntsync: Add some tests for NTSYNC_IOC_WAIT_ANY. Date: Mon, 19 Feb 2024 16:38:22 -0600 Message-ID: <20240219223833.95710-21-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" Test basic synchronous functionality of NTSYNC_IOC_WAIT_ANY, when objects a= re considered signaled or not signaled, and how they are affected by a success= ful wait. Signed-off-by: Elizabeth Figura --- .../testing/selftests/drivers/ntsync/ntsync.c | 119 ++++++++++++++++++ 1 file changed, 119 insertions(+) diff --git a/tools/testing/selftests/drivers/ntsync/ntsync.c b/tools/testin= g/selftests/drivers/ntsync/ntsync.c index 7cd0f40594fd..40ad8cbd3138 100644 --- a/tools/testing/selftests/drivers/ntsync/ntsync.c +++ b/tools/testing/selftests/drivers/ntsync/ntsync.c @@ -342,4 +342,123 @@ TEST(mutex_state) close(fd); } =20 +TEST(test_wait_any) +{ + int objs[NTSYNC_MAX_WAIT_COUNT + 1], fd, ret; + struct ntsync_mutex_args mutex_args =3D {0}; + struct ntsync_sem_args sem_args =3D {0}; + __u32 owner, index, count, i; + struct timespec timeout; + + clock_gettime(CLOCK_MONOTONIC, &timeout); + + fd =3D open("/dev/ntsync", O_CLOEXEC | O_RDONLY); + ASSERT_LE(0, fd); + + sem_args.count =3D 2; + sem_args.max =3D 3; + sem_args.sem =3D 0xdeadbeef; + ret =3D ioctl(fd, NTSYNC_IOC_CREATE_SEM, &sem_args); + EXPECT_EQ(0, ret); + EXPECT_NE(0xdeadbeef, sem_args.sem); + + mutex_args.owner =3D 0; + mutex_args.count =3D 0; + mutex_args.mutex =3D 0xdeadbeef; + ret =3D ioctl(fd, NTSYNC_IOC_CREATE_MUTEX, &mutex_args); + EXPECT_EQ(0, ret); + EXPECT_NE(0xdeadbeef, mutex_args.mutex); + + objs[0] =3D sem_args.sem; + objs[1] =3D mutex_args.mutex; + + ret =3D wait_any(fd, 2, objs, 123, &index); + EXPECT_EQ(0, ret); + EXPECT_EQ(0, index); + check_sem_state(sem_args.sem, 1, 3); + check_mutex_state(mutex_args.mutex, 0, 0); + + ret =3D wait_any(fd, 2, objs, 123, &index); + EXPECT_EQ(0, ret); + EXPECT_EQ(0, index); + check_sem_state(sem_args.sem, 0, 3); + check_mutex_state(mutex_args.mutex, 0, 0); + + ret =3D wait_any(fd, 2, objs, 123, &index); + EXPECT_EQ(0, ret); + EXPECT_EQ(1, index); + check_sem_state(sem_args.sem, 0, 3); + check_mutex_state(mutex_args.mutex, 1, 123); + + count =3D 1; + ret =3D post_sem(sem_args.sem, &count); + EXPECT_EQ(0, ret); + EXPECT_EQ(0, count); + + ret =3D wait_any(fd, 2, objs, 123, &index); + EXPECT_EQ(0, ret); + EXPECT_EQ(0, index); + check_sem_state(sem_args.sem, 0, 3); + check_mutex_state(mutex_args.mutex, 1, 123); + + ret =3D wait_any(fd, 2, objs, 123, &index); + EXPECT_EQ(0, ret); + EXPECT_EQ(1, index); + check_sem_state(sem_args.sem, 0, 3); + check_mutex_state(mutex_args.mutex, 2, 123); + + ret =3D wait_any(fd, 2, objs, 456, &index); + EXPECT_EQ(-1, ret); + EXPECT_EQ(ETIMEDOUT, errno); + + owner =3D 123; + ret =3D ioctl(mutex_args.mutex, NTSYNC_IOC_MUTEX_KILL, &owner); + EXPECT_EQ(0, ret); + + ret =3D wait_any(fd, 2, objs, 456, &index); + EXPECT_EQ(-1, ret); + EXPECT_EQ(EOWNERDEAD, errno); + EXPECT_EQ(1, index); + + ret =3D wait_any(fd, 2, objs, 456, &index); + EXPECT_EQ(0, ret); + EXPECT_EQ(1, index); + + /* test waiting on the same object twice */ + count =3D 2; + ret =3D post_sem(sem_args.sem, &count); + EXPECT_EQ(0, ret); + EXPECT_EQ(0, count); + + objs[0] =3D objs[1] =3D sem_args.sem; + ret =3D wait_any(fd, 2, objs, 456, &index); + EXPECT_EQ(0, ret); + EXPECT_EQ(0, index); + check_sem_state(sem_args.sem, 1, 3); + + ret =3D wait_any(fd, 0, NULL, 456, &index); + EXPECT_EQ(-1, ret); + EXPECT_EQ(ETIMEDOUT, errno); + + for (i =3D 0; i < NTSYNC_MAX_WAIT_COUNT + 1; ++i) + objs[i] =3D sem_args.sem; + + ret =3D wait_any(fd, NTSYNC_MAX_WAIT_COUNT, objs, 123, &index); + EXPECT_EQ(0, ret); + EXPECT_EQ(0, index); + + ret =3D wait_any(fd, NTSYNC_MAX_WAIT_COUNT + 1, objs, 123, &index); + EXPECT_EQ(-1, ret); + EXPECT_EQ(EINVAL, errno); + + ret =3D wait_any(fd, -1, objs, 123, &index); + EXPECT_EQ(-1, ret); + EXPECT_EQ(EINVAL, errno); + + close(sem_args.sem); + close(mutex_args.mutex); + + close(fd); +} + TEST_HARNESS_MAIN --=20 2.43.0