#ifndef _NTIOAPI_H
//
// Wait completion packet
//
#if (PHNT_VERSION >= PHNT_WINDOWS_8)

/**
 * The NtCreateWaitCompletionPacket routine creates a wait completion packet object.
 *
 * A wait completion packet is a kernel object that can be associated with wait
 * or I/O completion sources and later queried via I/O completion mechanisms.
 *
 * \param WaitCompletionPacketHandle Pointer to a variable that receives a handle
 *        to the newly created wait completion packet object.
 * \param DesiredAccess The access mask that specifies the requested access to
 *        the wait completion packet object.
 * \param ObjectAttributes Optional pointer to an OBJECT_ATTRIBUTES structure that
 *        supplies the object name and other attributes. May be NULL.
 * \return NTSTATUS Successful or errant status.
 */
NTSYSCALLAPI
NTSTATUS
NTAPI
NtCreateWaitCompletionPacket(
    _Out_ PHANDLE WaitCompletionPacketHandle,
    _In_ ACCESS_MASK DesiredAccess,
    _In_opt_ PCOBJECT_ATTRIBUTES ObjectAttributes
    );

#endif
#endif
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#ifndef _NTZWAPI_H

NTSYSCALLAPI
NTSTATUS
NTAPI
ZwCreateWaitCompletionPacket(
    _Out_ PHANDLE WaitCompletionPacketHandle,
    _In_ ACCESS_MASK DesiredAccess,
    _In_opt_ PCOBJECT_ATTRIBUTES ObjectAttributes
    );

#endif
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NTSTATUS NtCreateWaitCompletionPacket (
    _Out_ PHANDLE WaitCompletionPacketHandle,
    _In_ ACCESS_MASK DesiredAccess,
    _In_opt_ POBJECT_ATTRIBUTES ObjectAttributes
    )
View the official Win32 development documentation

NtDoc

This function is documented in Windows SDK.

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Win32 development documentation (ntcreatewaitcompletionpacket)

NtCreateWaitCompletionPacket function

Creates a wait completion packet object with the specified access rights and attributes.

Parameters

WaitCompletionPacketHandle [out]

A pointer to a variable that receives the wait completion packet handle.

DesiredAccess [in]

The desired types of access for the wait completion packet.

ObjectAttributes [in]

A pointer to an object attributes structure.

Return value

An NTSTATUS code. For more information, see Using NTSTATUS values.

Remarks

This function has no associated import library or header file; you must call it using the LoadLibrary and GetProcAddress functions. The API is exported from ntdll.dll.

Requirements

Requirement	Value
DLL	ntdll.dll

View the official Win32 development documentation

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