#ifndef _NTPSAPI_H
//
// Processes
//
#if (PHNT_MODE != PHNT_MODE_KERNEL)

/**
 * Sets information for the specified process.
 *
 * @param ProcessHandle A handle to the process.
 * @param ProcessInformationClass The type of process information to be set.
 * @param ProcessInformation A pointer to a buffer that contains the process information.
 * @param ProcessInformationLength The size of the buffer pointed to by the ProcessInformation parameter.
 * @return NTSTATUS Successful or errant status.
 */
NTSYSCALLAPI
NTSTATUS
NTAPI
NtSetInformationProcess(
    _In_ HANDLE ProcessHandle,
    _In_ PROCESSINFOCLASS ProcessInformationClass,
    _In_reads_bytes_(ProcessInformationLength) PVOID ProcessInformation,
    _In_ ULONG ProcessInformationLength
    );

#endif
#endif
View code on GitHub

#ifndef _NTZWAPI_H

NTSYSCALLAPI
NTSTATUS
NTAPI
ZwSetInformationProcess(
    _In_ HANDLE ProcessHandle,
    _In_ PROCESSINFOCLASS ProcessInformationClass,
    _In_reads_bytes_(ProcessInformationLength) PVOID ProcessInformation,
    _In_ ULONG ProcessInformationLength
    );

#endif
View code on GitHub

Sets various information about the specified process.

Parameters

ProcessHandle - a handle to the process or the NtCurrentProcess pseudo-handle. For most information classes, the handle must grant either PROCESS_SET_INFORMATION or PROCESS_SET_LIMITED_INFORMATION access.
ProcessInformationClass - the type of information to set.
ProcessInformation - a pointer to the buffer with the data specific to the request.
ProcessInformationLength - the size of the provided buffer in bytes.

Information classes

For the list of supported info classes and required process access, see PROCESSINFOCLASS.

NtSetInformationProcess - NtDoc

Parameters

Information classes

See also

Parameters

Information classes

Related Win32 API

See also