NtQueryMutant - NtDoc

Native API online documentation, based on the System Informer (formerly Process Hacker) phnt headers 
#ifndef _NTEXAPI_H
#if (PHNT_MODE != PHNT_MODE_KERNEL)

NTSYSCALLAPI
NTSTATUS
NTAPI
NtQueryMutant(
    _In_ HANDLE MutantHandle,
    _In_ MUTANT_INFORMATION_CLASS MutantInformationClass,
    _Out_writes_bytes_(MutantInformationLength) PVOID MutantInformation,
    _In_ ULONG MutantInformationLength,
    _Out_opt_ PULONG ReturnLength
    );

#endif
#endif

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#ifndef _NTZWAPI_H

NTSYSCALLAPI
NTSTATUS
NTAPI
ZwQueryMutant(
    _In_ HANDLE MutantHandle,
    _In_ MUTANT_INFORMATION_CLASS MutantInformationClass,
    _Out_writes_bytes_(MutantInformationLength) PVOID MutantInformation,
    _In_ ULONG MutantInformationLength,
    _Out_opt_ PULONG ReturnLength
    );

#endif

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MutantHandle

Handle to Mutant object.

MutantInformationClass

Is defined as enum:

typedef enum _MUTANT_INFORMATION_CLASS
{
    MutantBasicInformation

} MUTANT_INFORMATION_CLASS, *PMUTANT_INFORMATION_CLASS;

MutantInformation

Buffer for result. As long as only one information type is defined, set MutantInformation as a pointer to MUTANT_BASIC_INFORMATION structure.

MutantInformationLength

Size of buffer.

ResultLength

Number of bytes written to buffer.

Documented by

See also

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