Line data    Source code

       1              : /*
       2              :  * If not stated otherwise in this file or this component's LICENSE file the
       3              :  * following copyright and licenses apply:
       4              :  *
       5              :  * Copyright 2022 Sky UK
       6              :  *
       7              :  * Licensed under the Apache License, Version 2.0 (the "License");
       8              :  * you may not use this file except in compliance with the License.
       9              :  * You may obtain a copy of the License at
      10              :  *
      11              :  * http://www.apache.org/licenses/LICENSE-2.0
      12              :  *
      13              :  * Unless required by applicable law or agreed to in writing, software
      14              :  * distributed under the License is distributed on an "AS IS" BASIS,
      15              :  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
      16              :  * See the License for the specific language governing permissions and
      17              :  * limitations under the License.
      18              :  */
      19              : 
      20              : #ifndef FIREBOLT_RIALTO_IPC_BLOCKING_CLOSURE_H_
      21              : #define FIREBOLT_RIALTO_IPC_BLOCKING_CLOSURE_H_
      22              : 
      23              : #include "IBlockingClosure.h"
      24              : #include <memory>
      25              : #include <semaphore.h>
      26              : 
      27              : namespace firebolt::rialto::ipc
      28              : {
      29              : class BlockingClosureFactory : public IBlockingClosureFactory
      30              : {
      31              : public:
      32           11 :     BlockingClosureFactory() = default;
      33           11 :     ~BlockingClosureFactory() override = default;
      34              : 
      35              :     std::shared_ptr<IBlockingClosure>
      36              :     createBlockingClosurePoll(std::shared_ptr<::firebolt::rialto::ipc::IChannel> ipcChannel) override;
      37              :     std::shared_ptr<IBlockingClosure> createBlockingClosureSemaphore() override;
      38              : };
      39              : 
      40              : class BlockingClosurePoll final : public IBlockingClosure
      41              : {
      42              : public:
      43              :     explicit BlockingClosurePoll(std::shared_ptr<::firebolt::rialto::ipc::IChannel> ipcChannel);
      44            0 :     ~BlockingClosurePoll() final = default;
      45              : 
      46              :     void Run() final;
      47              :     void wait() final;
      48              : 
      49              : private:
      50              :     const std::shared_ptr<::firebolt::rialto::ipc::IChannel> m_kChannel;
      51              :     bool m_done;
      52              : };
      53              : 
      54              : class BlockingClosureSemaphore final : public IBlockingClosure
      55              : {
      56              : public:
      57              :     BlockingClosureSemaphore();
      58              :     ~BlockingClosureSemaphore() final;
      59              : 
      60              :     void Run() final;
      61              :     void wait() final;
      62              : 
      63              : private:
      64              :     sem_t m_sem;
      65              : };
      66              : }; // namespace firebolt::rialto::ipc
      67              : 
      68              : #endif // FIREBOLT_RIALTO_IPC_BLOCKING_CLOSURE_H_