From: Elizabeth Figura <zfigura@codeweavers.com>
To: Arnd Bergmann <arnd@arndb.de>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Jonathan Corbet <corbet@lwn.net>, Shuah Khan <shuah@kernel.org>
Cc: linux-kernel@vger.kernel.org, linux-api@vger.kernel.org,
wine-devel@winehq.org, "André Almeida" <andrealmeid@igalia.com>,
"Wolfram Sang" <wsa@kernel.org>,
"Arkadiusz Hiler" <ahiler@codeweavers.com>,
"Peter Zijlstra" <peterz@infradead.org>,
"Andy Lutomirski" <luto@kernel.org>,
linux-doc@vger.kernel.org, linux-kselftest@vger.kernel.org,
"Elizabeth Figura" <zfigura@codeweavers.com>
Subject: [RFC PATCH v2 26/29] selftests: ntsync: Add tests for alertable waits.
Date: Tue, 30 Jan 2024 20:13:53 -0600 [thread overview]
Message-ID: <20240131021356.10322-27-zfigura@codeweavers.com> (raw)
In-Reply-To: <20240131021356.10322-1-zfigura@codeweavers.com>
Test the "alert" functionality of NTSYNC_IOC_WAIT_ALL and NTSYNC_IOC_WAIT_ANY,
when a wait is woken with an alert and when it is woken by an object.
Signed-off-by: Elizabeth Figura <zfigura@codeweavers.com>
---
.../testing/selftests/drivers/ntsync/ntsync.c | 179 +++++++++++++++++-
1 file changed, 176 insertions(+), 3 deletions(-)
diff --git a/tools/testing/selftests/drivers/ntsync/ntsync.c b/tools/testing/selftests/drivers/ntsync/ntsync.c
index 598333df3e6d..6c00a55909aa 100644
--- a/tools/testing/selftests/drivers/ntsync/ntsync.c
+++ b/tools/testing/selftests/drivers/ntsync/ntsync.c
@@ -95,7 +95,7 @@ static int read_event_state(int event, __u32 *signaled, __u32 *manual)
})
static int wait_objs(int fd, unsigned long request, __u32 count,
- const int *objs, __u32 owner, __u32 *index)
+ const int *objs, __u32 owner, int alert, __u32 *index)
{
struct ntsync_wait_args args = {0};
struct timespec timeout;
@@ -108,6 +108,7 @@ static int wait_objs(int fd, unsigned long request, __u32 count,
args.objs = (uintptr_t)objs;
args.owner = owner;
args.index = 0xdeadbeef;
+ args.alert = alert;
ret = ioctl(fd, request, &args);
*index = args.index;
return ret;
@@ -115,12 +116,26 @@ static int wait_objs(int fd, unsigned long request, __u32 count,
static int wait_any(int fd, __u32 count, const int *objs, __u32 owner, __u32 *index)
{
- return wait_objs(fd, NTSYNC_IOC_WAIT_ANY, count, objs, owner, index);
+ return wait_objs(fd, NTSYNC_IOC_WAIT_ANY, count, objs, owner, 0, index);
}
static int wait_all(int fd, __u32 count, const int *objs, __u32 owner, __u32 *index)
{
- return wait_objs(fd, NTSYNC_IOC_WAIT_ALL, count, objs, owner, index);
+ return wait_objs(fd, NTSYNC_IOC_WAIT_ALL, count, objs, owner, 0, index);
+}
+
+static int wait_any_alert(int fd, __u32 count, const int *objs,
+ __u32 owner, int alert, __u32 *index)
+{
+ return wait_objs(fd, NTSYNC_IOC_WAIT_ANY,
+ count, objs, owner, alert, index);
+}
+
+static int wait_all_alert(int fd, __u32 count, const int *objs,
+ __u32 owner, int alert, __u32 *index)
+{
+ return wait_objs(fd, NTSYNC_IOC_WAIT_ALL,
+ count, objs, owner, alert, index);
}
TEST(semaphore_state)
@@ -1062,4 +1077,162 @@ TEST(wake_all)
close(fd);
}
+TEST(alert_any)
+{
+ struct ntsync_event_args event_args = {0};
+ struct ntsync_sem_args sem_args = {0};
+ __u32 index, count, signaled;
+ int objs[2], fd, ret;
+
+ fd = open("/dev/ntsync", O_CLOEXEC | O_RDONLY);
+ ASSERT_LE(0, fd);
+
+ sem_args.count = 0;
+ sem_args.max = 2;
+ sem_args.sem = 0xdeadbeef;
+ ret = ioctl(fd, NTSYNC_IOC_CREATE_SEM, &sem_args);
+ EXPECT_EQ(0, ret);
+ EXPECT_NE(0xdeadbeef, sem_args.sem);
+ objs[0] = sem_args.sem;
+
+ sem_args.count = 1;
+ sem_args.max = 2;
+ sem_args.sem = 0xdeadbeef;
+ ret = ioctl(fd, NTSYNC_IOC_CREATE_SEM, &sem_args);
+ EXPECT_EQ(0, ret);
+ EXPECT_NE(0xdeadbeef, sem_args.sem);
+ objs[1] = sem_args.sem;
+
+ event_args.manual = true;
+ event_args.signaled = true;
+ ret = ioctl(fd, NTSYNC_IOC_CREATE_EVENT, &event_args);
+ EXPECT_EQ(0, ret);
+
+ ret = wait_any_alert(fd, 0, NULL, 123, event_args.event, &index);
+ EXPECT_EQ(0, ret);
+ EXPECT_EQ(0, index);
+
+ ret = ioctl(event_args.event, NTSYNC_IOC_EVENT_RESET, &signaled);
+ EXPECT_EQ(0, ret);
+
+ ret = wait_any_alert(fd, 0, NULL, 123, event_args.event, &index);
+ EXPECT_EQ(-1, ret);
+ EXPECT_EQ(ETIMEDOUT, errno);
+
+ ret = ioctl(event_args.event, NTSYNC_IOC_EVENT_SET, &signaled);
+ EXPECT_EQ(0, ret);
+
+ ret = wait_any_alert(fd, 2, objs, 123, event_args.event, &index);
+ EXPECT_EQ(0, ret);
+ EXPECT_EQ(1, index);
+
+ ret = wait_any_alert(fd, 2, objs, 123, event_args.event, &index);
+ EXPECT_EQ(0, ret);
+ EXPECT_EQ(2, index);
+
+ close(event_args.event);
+
+ /* test with an auto-reset event */
+
+ event_args.manual = false;
+ event_args.signaled = true;
+ ret = ioctl(fd, NTSYNC_IOC_CREATE_EVENT, &event_args);
+ EXPECT_EQ(0, ret);
+
+ count = 1;
+ ret = post_sem(objs[0], &count);
+ EXPECT_EQ(0, ret);
+
+ ret = wait_any_alert(fd, 2, objs, 123, event_args.event, &index);
+ EXPECT_EQ(0, ret);
+ EXPECT_EQ(0, index);
+
+ ret = wait_any_alert(fd, 2, objs, 123, event_args.event, &index);
+ EXPECT_EQ(0, ret);
+ EXPECT_EQ(2, index);
+
+ ret = wait_any_alert(fd, 2, objs, 123, event_args.event, &index);
+ EXPECT_EQ(-1, ret);
+ EXPECT_EQ(ETIMEDOUT, errno);
+
+ close(event_args.event);
+
+ close(objs[0]);
+ close(objs[1]);
+
+ close(fd);
+}
+
+TEST(alert_all)
+{
+ struct ntsync_event_args event_args = {0};
+ struct ntsync_sem_args sem_args = {0};
+ __u32 index, count, signaled;
+ int objs[2], fd, ret;
+
+ fd = open("/dev/ntsync", O_CLOEXEC | O_RDONLY);
+ ASSERT_LE(0, fd);
+
+ sem_args.count = 2;
+ sem_args.max = 2;
+ sem_args.sem = 0xdeadbeef;
+ ret = ioctl(fd, NTSYNC_IOC_CREATE_SEM, &sem_args);
+ EXPECT_EQ(0, ret);
+ EXPECT_NE(0xdeadbeef, sem_args.sem);
+ objs[0] = sem_args.sem;
+
+ sem_args.count = 1;
+ sem_args.max = 2;
+ sem_args.sem = 0xdeadbeef;
+ ret = ioctl(fd, NTSYNC_IOC_CREATE_SEM, &sem_args);
+ EXPECT_EQ(0, ret);
+ EXPECT_NE(0xdeadbeef, sem_args.sem);
+ objs[1] = sem_args.sem;
+
+ event_args.manual = true;
+ event_args.signaled = true;
+ ret = ioctl(fd, NTSYNC_IOC_CREATE_EVENT, &event_args);
+ EXPECT_EQ(0, ret);
+
+ ret = wait_all_alert(fd, 2, objs, 123, event_args.event, &index);
+ EXPECT_EQ(0, ret);
+ EXPECT_EQ(0, index);
+
+ ret = wait_all_alert(fd, 2, objs, 123, event_args.event, &index);
+ EXPECT_EQ(0, ret);
+ EXPECT_EQ(2, index);
+
+ close(event_args.event);
+
+ /* test with an auto-reset event */
+
+ event_args.manual = false;
+ event_args.signaled = true;
+ ret = ioctl(fd, NTSYNC_IOC_CREATE_EVENT, &event_args);
+ EXPECT_EQ(0, ret);
+
+ count = 2;
+ ret = post_sem(objs[1], &count);
+ EXPECT_EQ(0, ret);
+
+ ret = wait_all_alert(fd, 2, objs, 123, event_args.event, &index);
+ EXPECT_EQ(0, ret);
+ EXPECT_EQ(0, index);
+
+ ret = wait_all_alert(fd, 2, objs, 123, event_args.event, &index);
+ EXPECT_EQ(0, ret);
+ EXPECT_EQ(2, index);
+
+ ret = wait_all_alert(fd, 2, objs, 123, event_args.event, &index);
+ EXPECT_EQ(-1, ret);
+ EXPECT_EQ(ETIMEDOUT, errno);
+
+ close(event_args.event);
+
+ close(objs[0]);
+ close(objs[1]);
+
+ close(fd);
+}
+
TEST_HARNESS_MAIN
--
2.43.0
next prev parent reply other threads:[~2024-01-31 2:16 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-01-31 2:13 [RFC PATCH v2 00/29] NT synchronization primitive driver Elizabeth Figura
2024-01-31 2:13 ` [RFC PATCH v2 01/29] ntsync: Introduce the ntsync driver and character device Elizabeth Figura
2024-01-31 2:13 ` [RFC PATCH v2 02/29] ntsync: Introduce NTSYNC_IOC_CREATE_SEM Elizabeth Figura
2024-01-31 2:13 ` [RFC PATCH v2 03/29] ntsync: Introduce NTSYNC_IOC_SEM_POST Elizabeth Figura
2024-01-31 2:13 ` [RFC PATCH v2 04/29] ntsync: Introduce NTSYNC_IOC_WAIT_ANY Elizabeth Figura
2024-01-31 2:13 ` [RFC PATCH v2 05/29] ntsync: Introduce NTSYNC_IOC_WAIT_ALL Elizabeth Figura
2024-01-31 2:13 ` [RFC PATCH v2 06/29] ntsync: Introduce NTSYNC_IOC_CREATE_MUTEX Elizabeth Figura
2024-01-31 2:13 ` [RFC PATCH v2 07/29] ntsync: Introduce NTSYNC_IOC_MUTEX_UNLOCK Elizabeth Figura
2024-01-31 2:13 ` [RFC PATCH v2 08/29] ntsync: Introduce NTSYNC_IOC_MUTEX_KILL Elizabeth Figura
2024-01-31 2:13 ` [RFC PATCH v2 09/29] ntsync: Introduce NTSYNC_IOC_CREATE_EVENT Elizabeth Figura
2024-01-31 2:13 ` [RFC PATCH v2 10/29] ntsync: Introduce NTSYNC_IOC_EVENT_SET Elizabeth Figura
2024-01-31 2:13 ` [RFC PATCH v2 11/29] ntsync: Introduce NTSYNC_IOC_EVENT_RESET Elizabeth Figura
2024-01-31 2:13 ` [RFC PATCH v2 12/29] ntsync: Introduce NTSYNC_IOC_EVENT_PULSE Elizabeth Figura
2024-01-31 2:13 ` [RFC PATCH v2 13/29] ntsync: Introduce NTSYNC_IOC_SEM_READ Elizabeth Figura
2024-01-31 2:13 ` [RFC PATCH v2 14/29] ntsync: Introduce NTSYNC_IOC_MUTEX_READ Elizabeth Figura
2024-01-31 2:13 ` [RFC PATCH v2 15/29] ntsync: Introduce NTSYNC_IOC_EVENT_READ Elizabeth Figura
2024-01-31 2:13 ` [RFC PATCH v2 16/29] ntsync: Introduce alertable waits Elizabeth Figura
2024-01-31 2:13 ` [RFC PATCH v2 17/29] selftests: ntsync: Add some tests for semaphore state Elizabeth Figura
2024-01-31 2:13 ` [RFC PATCH v2 18/29] selftests: ntsync: Add some tests for mutex state Elizabeth Figura
2024-01-31 2:13 ` [RFC PATCH v2 19/29] selftests: ntsync: Add some tests for NTSYNC_IOC_WAIT_ANY Elizabeth Figura
2024-01-31 8:52 ` Andi Kleen
2024-02-03 2:08 ` Elizabeth Figura
2024-01-31 2:13 ` [RFC PATCH v2 20/29] selftests: ntsync: Add some tests for NTSYNC_IOC_WAIT_ALL Elizabeth Figura
2024-01-31 2:13 ` [RFC PATCH v2 21/29] selftests: ntsync: Add some tests for wakeup signaling with WINESYNC_IOC_WAIT_ANY Elizabeth Figura
2024-01-31 2:13 ` [RFC PATCH v2 22/29] selftests: ntsync: Add some tests for wakeup signaling with WINESYNC_IOC_WAIT_ALL Elizabeth Figura
2024-01-31 2:13 ` [RFC PATCH v2 23/29] selftests: ntsync: Add some tests for manual-reset event state Elizabeth Figura
2024-01-31 2:13 ` [RFC PATCH v2 24/29] selftests: ntsync: Add some tests for auto-reset " Elizabeth Figura
2024-01-31 2:13 ` [RFC PATCH v2 25/29] selftests: ntsync: Add some tests for wakeup signaling with events Elizabeth Figura
2024-01-31 2:13 ` Elizabeth Figura [this message]
2024-01-31 2:13 ` [RFC PATCH v2 27/29] selftests: ntsync: Add some tests for wakeup signaling via alerts Elizabeth Figura
2024-01-31 2:13 ` [RFC PATCH v2 28/29] maintainers: Add an entry for ntsync Elizabeth Figura
2024-01-31 2:13 ` [RFC PATCH v2 29/29] docs: ntsync: Add documentation for the ntsync uAPI Elizabeth Figura
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