hkeyset_restore_userkeys Kernel Service

Purpose

Restores the previous user-memory access.

Syntax

#include <sys/skeys.h>

kerrno_t hkeyset_restore_userkeys (oldset) hkeyset_t oldset;

Parameters

Item	Description
oldset	Specifies the previous hardware keyset returned by the hkeyset_update_userkeys kernel service.

Description

The hkeyset_restore_userkeys kernel service is a specialized protection gate that restores only the user-mode portion of the current hardware keyset. This is normally done by the kernel after this kernel service accesses user memory.

Execution Environment

The hkeyset_restore_userkeys kernel service can be called from the process environment only.

Return Values

Item	Description
0	Indicates a successful completion.
EINVAL_HKEYSET_RESTORE_USERKEYS	Indicates that the execution environment is not valid.