/* * Copyright (c) 1997-2014 Wind River Systems, Inc. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ /** * @file * @brief "do nothing" kernel service * * This module provides a "do nothing" kernel service. * * This service is primarily used by other kernel services that need a way to * resume the execution of a kernel request that could not be completed in a * single invocation of the _k_server fiber. However, it can also be used by * a task to measure the overhead involved in issuing a kernel service request. */ #include #include #include /** * * @brief Perform "do nothing" kernel request * * @return N/A */ void _k_nop(struct k_args *A) { ARG_UNUSED(A); } /** * * @brief "do nothing" kernel request * * This routine is a request for the _k_server to run a "do nothing" routine. * * @return N/A */ void _task_nop(void) { struct k_args A; A.Comm = _K_SVC_NOP; KERNEL_ENTRY(&A); }