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KDPC_WATCHDOG_INFORMATION structure (wdm.h)

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The KDPC_WATCHDOG_INFORMATION structure holds time-out information about the current deferred procedure call (DPC).

Syntax

typedef struct _KDPC_WATCHDOG_INFORMATION {
  ULONG DpcTimeLimit;
  ULONG DpcTimeCount;
  ULONG DpcWatchdogLimit;
  ULONG DpcWatchdogCount;
  ULONG Reserved;
} KDPC_WATCHDOG_INFORMATION, *PKDPC_WATCHDOG_INFORMATION;

Members

DpcTimeLimit

Time limit for a single, current deferred procedure call. If DPC time-out has been disabled, this value is set to 0.

DpcTimeCount

Time remaining for the current deferred procedure call, if DPC time-out has been enabled.

DpcWatchdogLimit

Total time limit permitted for a sequence of deferred procedure calls. If DPC watchdog has been disabled, this value is set to zero.

DpcWatchdogCount

Time value remaining for the current sequence of deferred procedure calls, if enabled.

Reserved

Reserved for system use.

Remarks

Time figures stored in each member are dimensionless.

Requirements

Requirement Value
Minimum supported client Available starting with Windows Vista.
Header wdm.h (include Wdm.h, Ntddk.h, Ntifs.h)

See also

KeQueryDpcWatchdogInformation