NtQueryIoCompletion

2OO1, 18 February

NtQueryIoCompletion

NTSYSAPI 
NTSTATUS
NTAPI


NtQueryIoCompletion(



  IN HANDLE               IoCompletionHandle,
  IN IO_COMPLETION_INFORMATION_CLASS InformationClass,
  OUT PVOID               IoCompletionInformation,
  IN ULONG                InformationBufferLength,
  OUT PULONG              RequiredLength OPTIONAL );

Function NtQueryIoCompletion receives number of file operations pending on specified IO Completion Object.

IoCompletionHandle HANDLE to IO Completion Object opened with IO_COMPLETION_QUERY_STATE access.

InformationClass See IO_COMPLETION_INFORMATION_CLASS for possible values.

IoCompletionInformation User's allocated buffer for result data.

InformationBufferLength Length of IoCompletionInformation buffer, in bytes.

RequiredLength Optionally receives required length of buffer.

Documented by:

Tomasz Nowak

Requirements:

Library: ntdll.lib

Undocumented functions of NTDLL