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![Thomas Faber](/assets/img/avatar_default.png)
- Show that Mutexes disable APCs when acquired, while Mutants don't svn path=/trunk/; revision=57469
143 lines
6.3 KiB
C
143 lines
6.3 KiB
C
/*
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* PROJECT: ReactOS kernel-mode tests
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* LICENSE: GPLv2+ - See COPYING in the top level directory
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* PURPOSE: Kernel-Mode Test Suite Mutant/Mutex test
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* PROGRAMMER: Thomas Faber <thfabba@gmx.de>
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*/
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#include <kmt_test.h>
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#define ULONGS_PER_POINTER (sizeof(PVOID) / sizeof(ULONG))
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#define MUTANT_SIZE (2 + 6 * ULONGS_PER_POINTER)
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C_ASSERT(sizeof(DISPATCHER_HEADER) == 8 + 2 * sizeof(PVOID));
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C_ASSERT(sizeof(KMUTANT) == sizeof(DISPATCHER_HEADER) + 3 * sizeof(PVOID) + sizeof(PVOID));
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C_ASSERT(sizeof(KMUTANT) == MUTANT_SIZE * sizeof(ULONG));
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#define CheckMutex(Mutex, Held, New, ExpectedApcDisable) do { \
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PKTHREAD Thread = KeGetCurrentThread(); \
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ok_eq_uint((Mutex)->Header.Type, MutantObject); \
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ok_eq_uint((Mutex)->Header.Abandoned, 0x55); \
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ok_eq_uint((Mutex)->Header.Size, MUTANT_SIZE); \
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ok_eq_uint((Mutex)->Header.DpcActive, 0x55); \
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ok_eq_pointer((Mutex)->Header.WaitListHead.Flink, \
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&(Mutex)->Header.WaitListHead); \
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ok_eq_pointer((Mutex)->Header.WaitListHead.Blink, \
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&(Mutex)->Header.WaitListHead); \
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if (Held) \
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{ \
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ok_eq_long((Mutex)->Header.SignalState, 0); \
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ok_eq_pointer((Mutex)->MutantListEntry.Flink, &Thread->MutantListHead); \
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ok_eq_pointer((Mutex)->MutantListEntry.Blink, &Thread->MutantListHead); \
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ok_eq_pointer(Thread->MutantListHead.Flink, &(Mutex)->MutantListEntry); \
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ok_eq_pointer(Thread->MutantListHead.Blink, &(Mutex)->MutantListEntry); \
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ok_eq_pointer((Mutex)->OwnerThread, Thread); \
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} \
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else \
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{ \
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ok_eq_long((Mutex)->Header.SignalState, 1); \
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if (New) \
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{ \
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ok_eq_pointer((Mutex)->MutantListEntry.Flink, \
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(PVOID)0x5555555555555555ULL); \
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ok_eq_pointer((Mutex)->MutantListEntry.Blink, \
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(PVOID)0x5555555555555555ULL); \
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} \
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ok_eq_pointer(Thread->MutantListHead.Flink, &Thread->MutantListHead); \
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ok_eq_pointer(Thread->MutantListHead.Blink, &Thread->MutantListHead); \
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ok_eq_pointer((Mutex)->OwnerThread, NULL); \
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} \
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ok_eq_uint((Mutex)->Abandoned, 0); \
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ok_eq_uint((Mutex)->ApcDisable, ExpectedApcDisable); \
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} while (0)
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#define CheckApcs(KernelApcsDisabled, SpecialApcsDisabled, AllApcsDisabled, Irql) do \
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{ \
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ok_eq_bool(KeAreApcsDisabled(), KernelApcsDisabled || SpecialApcsDisabled); \
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ok_eq_int(Thread->KernelApcDisable, KernelApcsDisabled); \
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ok_eq_bool(KeAreAllApcsDisabled(), AllApcsDisabled); \
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ok_eq_int(Thread->SpecialApcDisable, SpecialApcsDisabled); \
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ok_irql(Irql); \
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} while (0)
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static
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VOID
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TestMutant(VOID)
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{
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NTSTATUS Status;
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KMUTANT Mutant;
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LONG State;
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PKTHREAD Thread = KeGetCurrentThread();
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CheckApcs(0, 0, FALSE, PASSIVE_LEVEL);
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RtlFillMemory(&Mutant, sizeof(Mutant), 0x55);
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KeInitializeMutant(&Mutant, FALSE);
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CheckMutex(&Mutant, FALSE, TRUE, 0);
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CheckApcs(0, 0, FALSE, PASSIVE_LEVEL);
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RtlFillMemory(&Mutant, sizeof(Mutant), 0x55);
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KeInitializeMutant(&Mutant, TRUE);
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CheckApcs(0, 0, FALSE, PASSIVE_LEVEL);
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CheckMutex(&Mutant, TRUE, TRUE, 0);
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State = KeReleaseMutant(&Mutant, 1, FALSE, FALSE);
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ok_eq_long(State, 0);
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CheckMutex(&Mutant, FALSE, FALSE, 0);
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CheckApcs(0, 0, FALSE, PASSIVE_LEVEL);
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/* Acquire and release */
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Status = KeWaitForSingleObject(&Mutant,
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Executive,
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KernelMode,
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FALSE,
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NULL);
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ok_eq_hex(Status, STATUS_SUCCESS);
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CheckMutex(&Mutant, TRUE, TRUE, 0);
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CheckApcs(0, 0, FALSE, PASSIVE_LEVEL);
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State = KeReleaseMutant(&Mutant, 1, FALSE, FALSE);
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ok_eq_long(State, 0);
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CheckMutex(&Mutant, FALSE, FALSE, 0);
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CheckApcs(0, 0, FALSE, PASSIVE_LEVEL);
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}
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static
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VOID
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TestMutex(VOID)
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{
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NTSTATUS Status;
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KMUTEX Mutex;
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LONG State;
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PKTHREAD Thread = KeGetCurrentThread();
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CheckApcs(0, 0, FALSE, PASSIVE_LEVEL);
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RtlFillMemory(&Mutex, sizeof(Mutex), 0x55);
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KeInitializeMutex(&Mutex, 0);
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CheckMutex(&Mutex, FALSE, TRUE, 1);
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CheckApcs(0, 0, FALSE, PASSIVE_LEVEL);
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RtlFillMemory(&Mutex, sizeof(Mutex), 0x55);
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KeInitializeMutex(&Mutex, 123);
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CheckMutex(&Mutex, FALSE, TRUE, 1);
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CheckApcs(0, 0, FALSE, PASSIVE_LEVEL);
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Status = KeWaitForSingleObject(&Mutex,
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Executive,
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KernelMode,
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FALSE,
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NULL);
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ok_eq_hex(Status, STATUS_SUCCESS);
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CheckMutex(&Mutex, TRUE, FALSE, 1);
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CheckApcs(-1, 0, FALSE, PASSIVE_LEVEL);
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State = KeReleaseMutex(&Mutex, FALSE);
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ok_eq_long(State, 0);
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CheckMutex(&Mutex, FALSE, FALSE, 1);
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CheckApcs(0, 0, FALSE, PASSIVE_LEVEL);
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}
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START_TEST(KeMutex)
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{
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TestMutant();
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TestMutex();
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}
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