// ntifs.h

typedef enum {
  OPLOCK_NOTIFY_BREAK_WAIT_INTERIM_TIMEOUT,
  OPLOCK_NOTIFY_BREAK_WAIT_TERMINATED
} OPLOCK_NOTIFY_REASON;
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Windows Driver Kit DDI reference (ne-ntifs-_oplock_notify_reason)

_OPLOCK_NOTIFY_REASON enumeration

Description

OPLOCK_NOTIFY_REASON specifies the reason for calling the notification callback provided to FsRtlCheckOplockEx2.

Constants

`OPLOCK_NOTIFY_BREAK_WAIT_INTERIM_TIMEOUT`

The first blocking wait for an opportunistic lock (oplock) break timed out.

`OPLOCK_NOTIFY_BREAK_WAIT_TERMINATED`

The wait for an oplock break is completed, successfully or otherwise. If successful, the Status field of OPLOCK_NOTIFY_PARAMS is STATUS_SUCCESS; otherwise, Status is set to indicate the reason for the termination.

Remarks

The OPLOCK_NOTIFY_REASON is specified in the NotifyReason member of the OPLOCK_NOTIFY_PARAMS structure.

OPLOCK_NOTIFY_REASON - NtDoc