/**************************************************************************** * net/can/can_notifier.c * * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. The * ASF licenses this file to you 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. * ****************************************************************************/ /**************************************************************************** * Included Files ****************************************************************************/ #include #include #include #include #include "can/can.h" #ifdef CONFIG_NET_CAN_NOTIFIER /**************************************************************************** * Public Functions ****************************************************************************/ /**************************************************************************** * Name: can_readahead_signal * * Description: * Read-ahead data has been buffered. Signal all threads waiting for * read-ahead data to become available. * * When read-ahead data becomes available, *all* of the workers waiting * for read-ahead data will be executed. If there are multiple workers * waiting for read-ahead data then only the first to execute will get the * data. Others will need to call can_readahead_notifier_setup() once * again. * * Input Parameters: * conn - The CAN connection where read-ahead data was just buffered. * * Returned Value: * None. * ****************************************************************************/ void can_readahead_signal(FAR struct can_conn_s *conn) { /* This is just a simple wrapper around work_notifier_signal(). */ work_notifier_signal(WORK_CAN_READAHEAD, conn); } #endif /* CONFIG_NET_CAN_NOTIFIER */