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reactos/rostests/kmtests/ntos_ke/KeGuardedMutex.c
Thomas Faber 5c1f39d5c8 [KMTESTS:KE] 
- Increase timeout in KeGuardedMutex test to avoid flakiness

svn path=/trunk/; revision=64002
2014-08-31 10:27:35 +00:00

362 lines
15 KiB
C
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/*
* PROJECT: ReactOS kernel-mode tests
* LICENSE: GPLv2+ - See COPYING in the top level directory
* PURPOSE: Kernel-Mode Test Suite Guarded Mutex test
* PROGRAMMER: Thomas Faber <thomas.faber@reactos.org>
*/
#include <kmt_test.h>
#define NDEBUG
#include <debug.h>
#define CheckMutex(Mutex, ExpectedCount, ExpectedOwner, ExpectedContention, \
ExpectedKernelApcDisable, ExpectedSpecialApcDisable, \
KernelApcsDisabled, SpecialApcsDisabled, AllApcsDisabled, \
ExpectedIrql) do \
{ \
ok_eq_long((Mutex)->Count, ExpectedCount); \
ok_eq_pointer((Mutex)->Owner, ExpectedOwner); \
ok_eq_ulong((Mutex)->Contention, ExpectedContention); \
ok_eq_int((Mutex)->KernelApcDisable, ExpectedKernelApcDisable); \
if (KmtIsCheckedBuild) \
ok_eq_int((Mutex)->SpecialApcDisable, ExpectedSpecialApcDisable); \
else \
ok_eq_int((Mutex)->SpecialApcDisable, 0x5555); \
ok_eq_bool(KeAreApcsDisabled(), KernelApcsDisabled || SpecialApcsDisabled); \
ok_eq_int(Thread->KernelApcDisable, KernelApcsDisabled); \
ok_eq_bool(KeAreAllApcsDisabled(), AllApcsDisabled); \
ok_eq_int(Thread->SpecialApcDisable, SpecialApcsDisabled); \
ok_irql(ExpectedIrql); \
} while (0)
static
VOID
TestGuardedMutex(
PKGUARDED_MUTEX Mutex,
SHORT KernelApcsDisabled,
SHORT SpecialApcsDisabled,
SHORT AllApcsDisabled,
KIRQL OriginalIrql)
{
PKTHREAD Thread = KeGetCurrentThread();
ok_irql(OriginalIrql);
CheckMutex(Mutex, 1L, NULL, 0LU, 0x5555, 0x5555, KernelApcsDisabled, SpecialApcsDisabled, AllApcsDisabled, OriginalIrql);
/* these ASSERT */
if (!KmtIsCheckedBuild || OriginalIrql <= APC_LEVEL)
{
/* acquire/release normally */
KeAcquireGuardedMutex(Mutex);
CheckMutex(Mutex, 0L, Thread, 0LU, 0x5555, SpecialApcsDisabled - 1, KernelApcsDisabled, SpecialApcsDisabled - 1, TRUE, OriginalIrql);
ok_bool_false(KeTryToAcquireGuardedMutex(Mutex), "KeTryToAcquireGuardedMutex returned");
CheckMutex(Mutex, 0L, Thread, 0LU, 0x5555, SpecialApcsDisabled - 1, KernelApcsDisabled, SpecialApcsDisabled - 1, TRUE, OriginalIrql);
KeReleaseGuardedMutex(Mutex);
CheckMutex(Mutex, 1L, NULL, 0LU, 0x5555, SpecialApcsDisabled - 1, KernelApcsDisabled, SpecialApcsDisabled, AllApcsDisabled, OriginalIrql);
/* try to acquire */
ok_bool_true(KeTryToAcquireGuardedMutex(Mutex), "KeTryToAcquireGuardedMutex returned");
CheckMutex(Mutex, 0L, Thread, 0LU, 0x5555, SpecialApcsDisabled - 1, KernelApcsDisabled, SpecialApcsDisabled - 1, TRUE, OriginalIrql);
KeReleaseGuardedMutex(Mutex);
CheckMutex(Mutex, 1L, NULL, 0LU, 0x5555, SpecialApcsDisabled - 1, KernelApcsDisabled, SpecialApcsDisabled, AllApcsDisabled, OriginalIrql);
}
else
/* Make the following test happy */
Mutex->SpecialApcDisable = SpecialApcsDisabled - 1;
/* ASSERT */
if (!KmtIsCheckedBuild || OriginalIrql == APC_LEVEL || SpecialApcsDisabled < 0)
{
/* acquire/release unsafe */
KeAcquireGuardedMutexUnsafe(Mutex);
CheckMutex(Mutex, 0L, Thread, 0LU, 0x5555, SpecialApcsDisabled - 1, KernelApcsDisabled, SpecialApcsDisabled, AllApcsDisabled, OriginalIrql);
KeReleaseGuardedMutexUnsafe(Mutex);
CheckMutex(Mutex, 1L, NULL, 0LU, 0x5555, SpecialApcsDisabled - 1, KernelApcsDisabled, SpecialApcsDisabled, AllApcsDisabled, OriginalIrql);
}
/* Bugchecks >= DISPATCH_LEVEL */
if (!KmtIsCheckedBuild)
{
/* mismatched acquire/release */
KeAcquireGuardedMutex(Mutex);
CheckMutex(Mutex, 0L, Thread, 0LU, 0x5555, SpecialApcsDisabled - 1, KernelApcsDisabled, SpecialApcsDisabled - 1, TRUE, OriginalIrql);
KeReleaseGuardedMutexUnsafe(Mutex);
CheckMutex(Mutex, 1L, NULL, 0LU, 0x5555, SpecialApcsDisabled - 1, KernelApcsDisabled, SpecialApcsDisabled - 1, TRUE, OriginalIrql);
KeLeaveGuardedRegion();
CheckMutex(Mutex, 1L, NULL, 0LU, 0x5555, SpecialApcsDisabled - 1, KernelApcsDisabled, SpecialApcsDisabled, AllApcsDisabled, OriginalIrql);
KeAcquireGuardedMutexUnsafe(Mutex);
CheckMutex(Mutex, 0L, Thread, 0LU, 0x5555, SpecialApcsDisabled - 1, KernelApcsDisabled, SpecialApcsDisabled, AllApcsDisabled, OriginalIrql);
KeReleaseGuardedMutex(Mutex);
CheckMutex(Mutex, 1L, NULL, 0LU, 0x5555, SpecialApcsDisabled - 1, KernelApcsDisabled, SpecialApcsDisabled + 1, OriginalIrql >= APC_LEVEL || SpecialApcsDisabled != -1, OriginalIrql);
KeEnterGuardedRegion();
CheckMutex(Mutex, 1L, NULL, 0LU, 0x5555, SpecialApcsDisabled - 1, KernelApcsDisabled, SpecialApcsDisabled, AllApcsDisabled, OriginalIrql);
/* release without acquire */
KeReleaseGuardedMutexUnsafe(Mutex);
CheckMutex(Mutex, 0L, NULL, 0LU, 0x5555, SpecialApcsDisabled - 1, KernelApcsDisabled, SpecialApcsDisabled, AllApcsDisabled, OriginalIrql);
KeReleaseGuardedMutex(Mutex);
CheckMutex(Mutex, 1L, NULL, 0LU, 0x5555, SpecialApcsDisabled, KernelApcsDisabled, SpecialApcsDisabled + 1, OriginalIrql >= APC_LEVEL || SpecialApcsDisabled != -1, OriginalIrql);
KeReleaseGuardedMutex(Mutex);
/* TODO: here we see that Mutex->Count isn't actually just a count. Test the bits correctly! */
CheckMutex(Mutex, 0L, NULL, 0LU, 0x5555, SpecialApcsDisabled, KernelApcsDisabled, SpecialApcsDisabled + 2, OriginalIrql >= APC_LEVEL || SpecialApcsDisabled != -2, OriginalIrql);
KeReleaseGuardedMutex(Mutex);
CheckMutex(Mutex, 1L, NULL, 0LU, 0x5555, SpecialApcsDisabled, KernelApcsDisabled, SpecialApcsDisabled + 3, OriginalIrql >= APC_LEVEL || SpecialApcsDisabled != -3, OriginalIrql);
Thread->SpecialApcDisable -= 3;
}
/* make sure we survive this in case of error */
ok_eq_long(Mutex->Count, 1L);
Mutex->Count = 1;
ok_eq_int(Thread->KernelApcDisable, KernelApcsDisabled);
Thread->KernelApcDisable = KernelApcsDisabled;
ok_eq_int(Thread->SpecialApcDisable, SpecialApcsDisabled);
Thread->SpecialApcDisable = SpecialApcsDisabled;
ok_irql(OriginalIrql);
}
typedef VOID (FASTCALL *PMUTEX_FUNCTION)(PKGUARDED_MUTEX);
typedef BOOLEAN (FASTCALL *PMUTEX_TRY_FUNCTION)(PKGUARDED_MUTEX);
typedef struct
{
HANDLE Handle;
PKTHREAD Thread;
KIRQL Irql;
PKGUARDED_MUTEX Mutex;
PMUTEX_FUNCTION Acquire;
PMUTEX_TRY_FUNCTION TryAcquire;
PMUTEX_FUNCTION Release;
BOOLEAN Try;
BOOLEAN RetExpected;
KEVENT InEvent;
KEVENT OutEvent;
} THREAD_DATA, *PTHREAD_DATA;
static
VOID
NTAPI
AcquireMutexThread(
PVOID Parameter)
{
PTHREAD_DATA ThreadData = Parameter;
KIRQL Irql;
BOOLEAN Ret = FALSE;
NTSTATUS Status;
DPRINT("Thread starting\n");
KeRaiseIrql(ThreadData->Irql, &Irql);
if (ThreadData->Try)
{
Ret = ThreadData->TryAcquire(ThreadData->Mutex);
ok_eq_bool(Ret, ThreadData->RetExpected);
}
else
ThreadData->Acquire(ThreadData->Mutex);
ok_bool_false(KeSetEvent(&ThreadData->OutEvent, 0, TRUE), "KeSetEvent returned");
DPRINT("Thread now waiting\n");
Status = KeWaitForSingleObject(&ThreadData->InEvent, Executive, KernelMode, FALSE, NULL);
DPRINT("Thread done waiting\n");
ok_eq_hex(Status, STATUS_SUCCESS);
if (!ThreadData->Try || Ret)
ThreadData->Release(ThreadData->Mutex);
KeLowerIrql(Irql);
DPRINT("Thread exiting\n");
}
static
VOID
InitThreadData(
PTHREAD_DATA ThreadData,
PKGUARDED_MUTEX Mutex,
PMUTEX_FUNCTION Acquire,
PMUTEX_TRY_FUNCTION TryAcquire,
PMUTEX_FUNCTION Release)
{
ThreadData->Mutex = Mutex;
KeInitializeEvent(&ThreadData->InEvent, NotificationEvent, FALSE);
KeInitializeEvent(&ThreadData->OutEvent, NotificationEvent, FALSE);
ThreadData->Acquire = Acquire;
ThreadData->TryAcquire = TryAcquire;
ThreadData->Release = Release;
}
static
NTSTATUS
StartThread(
PTHREAD_DATA ThreadData,
PLARGE_INTEGER Timeout,
KIRQL Irql,
BOOLEAN Try,
BOOLEAN RetExpected)
{
NTSTATUS Status = STATUS_SUCCESS;
OBJECT_ATTRIBUTES Attributes;
ThreadData->Try = Try;
ThreadData->Irql = Irql;
ThreadData->RetExpected = RetExpected;
InitializeObjectAttributes(&Attributes, NULL, OBJ_KERNEL_HANDLE, NULL, NULL);
Status = PsCreateSystemThread(&ThreadData->Handle, GENERIC_ALL, &Attributes, NULL, NULL, AcquireMutexThread, ThreadData);
ok_eq_hex(Status, STATUS_SUCCESS);
Status = ObReferenceObjectByHandle(ThreadData->Handle, SYNCHRONIZE, *PsThreadType, KernelMode, (PVOID *)&ThreadData->Thread, NULL);
ok_eq_hex(Status, STATUS_SUCCESS);
return KeWaitForSingleObject(&ThreadData->OutEvent, Executive, KernelMode, FALSE, Timeout);
}
static
VOID
FinishThread(
PTHREAD_DATA ThreadData)
{
NTSTATUS Status = STATUS_SUCCESS;
KeSetEvent(&ThreadData->InEvent, 0, TRUE);
Status = KeWaitForSingleObject(ThreadData->Thread, Executive, KernelMode, FALSE, NULL);
ok_eq_hex(Status, STATUS_SUCCESS);
ObDereferenceObject(ThreadData->Thread);
Status = ZwClose(ThreadData->Handle);
ok_eq_hex(Status, STATUS_SUCCESS);
KeClearEvent(&ThreadData->InEvent);
KeClearEvent(&ThreadData->OutEvent);
}
static
VOID
TestGuardedMutexConcurrent(
PKGUARDED_MUTEX Mutex)
{
NTSTATUS Status;
THREAD_DATA ThreadData;
THREAD_DATA ThreadData2;
THREAD_DATA ThreadDataUnsafe;
THREAD_DATA ThreadDataTry;
PKTHREAD Thread = KeGetCurrentThread();
LARGE_INTEGER Timeout;
Timeout.QuadPart = -50 * 1000 * 10; /* 50 ms */
InitThreadData(&ThreadData, Mutex, KeAcquireGuardedMutex, NULL, KeReleaseGuardedMutex);
InitThreadData(&ThreadData2, Mutex, KeAcquireGuardedMutex, NULL, KeReleaseGuardedMutex);
InitThreadData(&ThreadDataUnsafe, Mutex, KeAcquireGuardedMutexUnsafe, NULL, KeReleaseGuardedMutexUnsafe);
InitThreadData(&ThreadDataTry, Mutex, NULL, KeTryToAcquireGuardedMutex, KeReleaseGuardedMutex);
/* have a thread acquire the mutex */
Status = StartThread(&ThreadData, NULL, PASSIVE_LEVEL, FALSE, FALSE);
ok_eq_hex(Status, STATUS_SUCCESS);
CheckMutex(Mutex, 0L, ThreadData.Thread, 0LU, 0x5555, -1, 0, 0, FALSE, PASSIVE_LEVEL);
/* have a second thread try to acquire it -- should fail */
Status = StartThread(&ThreadDataTry, NULL, PASSIVE_LEVEL, TRUE, FALSE);
ok_eq_hex(Status, STATUS_SUCCESS);
CheckMutex(Mutex, 0L, ThreadData.Thread, 0LU, 0x5555, -1, 0, 0, FALSE, PASSIVE_LEVEL);
FinishThread(&ThreadDataTry);
/* have another thread acquire it -- should block */
Status = StartThread(&ThreadData2, &Timeout, APC_LEVEL, FALSE, FALSE);
ok_eq_hex(Status, STATUS_TIMEOUT);
CheckMutex(Mutex, 4L, ThreadData.Thread, 1LU, 0x5555, -1, 0, 0, FALSE, PASSIVE_LEVEL);
/* finish the first thread -- now the second should become available */
FinishThread(&ThreadData);
Status = KeWaitForSingleObject(&ThreadData2.OutEvent, Executive, KernelMode, FALSE, NULL);
ok_eq_hex(Status, STATUS_SUCCESS);
CheckMutex(Mutex, 0L, ThreadData2.Thread, 1LU, 0x5555, -1, 0, 0, FALSE, PASSIVE_LEVEL);
/* block two more threads */
Status = StartThread(&ThreadDataUnsafe, &Timeout, APC_LEVEL, FALSE, FALSE);
ok_eq_hex(Status, STATUS_TIMEOUT);
CheckMutex(Mutex, 4L, ThreadData2.Thread, 2LU, 0x5555, -1, 0, 0, FALSE, PASSIVE_LEVEL);
Status = StartThread(&ThreadData, &Timeout, PASSIVE_LEVEL, FALSE, FALSE);
ok_eq_hex(Status, STATUS_TIMEOUT);
CheckMutex(Mutex, 8L, ThreadData2.Thread, 3LU, 0x5555, -1, 0, 0, FALSE, PASSIVE_LEVEL);
/* finish 1 */
FinishThread(&ThreadData2);
Status = KeWaitForSingleObject(&ThreadDataUnsafe.OutEvent, Executive, KernelMode, FALSE, NULL);
ok_eq_hex(Status, STATUS_SUCCESS);
CheckMutex(Mutex, 4L, ThreadDataUnsafe.Thread, 3LU, 0x5555, -1, 0, 0, FALSE, PASSIVE_LEVEL);
/* finish 2 */
FinishThread(&ThreadDataUnsafe);
Status = KeWaitForSingleObject(&ThreadData.OutEvent, Executive, KernelMode, FALSE, NULL);
ok_eq_hex(Status, STATUS_SUCCESS);
CheckMutex(Mutex, 0L, ThreadData.Thread, 3LU, 0x5555, -1, 0, 0, FALSE, PASSIVE_LEVEL);
/* finish 3 */
FinishThread(&ThreadData);
CheckMutex(Mutex, 1L, NULL, 3LU, 0x5555, -1, 0, 0, FALSE, PASSIVE_LEVEL);
}
START_TEST(KeGuardedMutex)
{
KGUARDED_MUTEX Mutex;
KIRQL OldIrql;
PKTHREAD Thread = KeGetCurrentThread();
struct {
KIRQL Irql;
SHORT KernelApcsDisabled;
SHORT SpecialApcsDisabled;
BOOLEAN AllApcsDisabled;
} TestIterations[] =
{
{ PASSIVE_LEVEL, 0, 0, FALSE },
{ PASSIVE_LEVEL, -1, 0, FALSE },
{ PASSIVE_LEVEL, -3, 0, FALSE },
{ PASSIVE_LEVEL, 0, -1, TRUE },
{ PASSIVE_LEVEL, -1, -1, TRUE },
{ PASSIVE_LEVEL, -3, -2, TRUE },
// 6
{ APC_LEVEL, 0, 0, TRUE },
{ APC_LEVEL, -1, 0, TRUE },
{ APC_LEVEL, -3, 0, TRUE },
{ APC_LEVEL, 0, -1, TRUE },
{ APC_LEVEL, -1, -1, TRUE },
{ APC_LEVEL, -3, -2, TRUE },
// 12
{ DISPATCH_LEVEL, 0, 0, TRUE },
{ DISPATCH_LEVEL, -1, 0, TRUE },
{ DISPATCH_LEVEL, -3, 0, TRUE },
{ DISPATCH_LEVEL, 0, -1, TRUE },
{ DISPATCH_LEVEL, -1, -1, TRUE },
{ DISPATCH_LEVEL, -3, -2, TRUE },
// 18
{ HIGH_LEVEL, 0, 0, TRUE },
{ HIGH_LEVEL, -1, 0, TRUE },
{ HIGH_LEVEL, -3, 0, TRUE },
{ HIGH_LEVEL, 0, -1, TRUE },
{ HIGH_LEVEL, -1, -1, TRUE },
{ HIGH_LEVEL, -3, -2, TRUE },
};
int i;
for (i = 0; i < sizeof TestIterations / sizeof TestIterations[0]; ++i)
{
trace("Run %d\n", i);
KeRaiseIrql(TestIterations[i].Irql, &OldIrql);
Thread->KernelApcDisable = TestIterations[i].KernelApcsDisabled;
Thread->SpecialApcDisable = TestIterations[i].SpecialApcsDisabled;
RtlFillMemory(&Mutex, sizeof Mutex, 0x55);
KeInitializeGuardedMutex(&Mutex);
CheckMutex(&Mutex, 1L, NULL, 0LU, 0x5555, 0x5555, TestIterations[i].KernelApcsDisabled, TestIterations[i].SpecialApcsDisabled, TestIterations[i].AllApcsDisabled, TestIterations[i].Irql);
TestGuardedMutex(&Mutex, TestIterations[i].KernelApcsDisabled, TestIterations[i].SpecialApcsDisabled, TestIterations[i].AllApcsDisabled, TestIterations[i].Irql);
Thread->SpecialApcDisable = 0;
Thread->KernelApcDisable = 0;
KeLowerIrql(OldIrql);
}
trace("Concurrent test\n");
RtlFillMemory(&Mutex, sizeof Mutex, 0x55);
KeInitializeGuardedMutex(&Mutex);
TestGuardedMutexConcurrent(&Mutex);
}
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