/**************************************************************************** * libs/libc/wqueue/wqueue.h * * 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. * ****************************************************************************/ #ifndef __LIBC_WQUEUE_WQUEUE_H #define __LIBC_WQUEUE_WQUEUE_H /**************************************************************************** * Included Files ****************************************************************************/ #include #include #include #include #if defined(CONFIG_LIBC_USRWORK) && !defined(__KERNEL__) /**************************************************************************** * Pre-processor Definitions ****************************************************************************/ /**************************************************************************** * Public Type Definitions ****************************************************************************/ /* This structure defines the state of one user-modework queue. */ struct usr_wqueue_s { struct sq_queue_s q; /* The queue of pending work */ sem_t lock; /* exclusive access to user-mode work queue */ sem_t wake; /* The wake-up semaphore of the usrthread */ }; /**************************************************************************** * Public Data ****************************************************************************/ /* The state of the user mode work queue */ extern struct usr_wqueue_s g_usrwork; /**************************************************************************** * Public Function Prototypes ****************************************************************************/ #endif /* CONFIG_LIBC_USRWORK && !__KERNEL__*/ #endif /* __LIBC_WQUEUE_WQUEUE_H */