MUTANT_BASIC_INFORMATION - NtDoc

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

/**
 * The MUTANT_BASIC_INFORMATION structure contains basic information about a mutant object.
 */
typedef struct _MUTANT_BASIC_INFORMATION
{
    LONG CurrentCount;
    BOOLEAN OwnedByCaller;
    BOOLEAN AbandonedState;
} MUTANT_BASIC_INFORMATION, *PMUTANT_BASIC_INFORMATION;

#endif
#endif

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Use MUTANT_BASIC_INFORMATION as a buffer in NtQueryMutant call.

CurrentCount

If CurrentCount is less than zero, mutant is signaled.

OwnedByCaller

It's TRUE if mutant is signaled by caller's thread.

AbandonedState

Is set when thread terminates without call NtReleaseMutant.

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See also

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