1 // 2 // Copyright (C) 2018 The Android Open Source Project 3 // 4 // Licensed under the Apache License, Version 2.0 (the "License"); 5 // you may not use this file except in compliance with the License. 6 // You may obtain a copy of the License at 7 // 8 // http://www.apache.org/licenses/LICENSE-2.0 9 // 10 // Unless required by applicable law or agreed to in writing, software 11 // distributed under the License is distributed on an "AS IS" BASIS, 12 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 // See the License for the specific language governing permissions and 14 // limitations under the License. 15 // 16 17 #include <string> 18 19 #include "update_engine/common/action.h" 20 #include "update_engine/common/boot_control_interface.h" 21 22 #include <gtest/gtest_prod.h> 23 24 namespace chromeos_update_engine { 25 26 class UpdateBootFlagsAction : public AbstractAction { 27 public: UpdateBootFlagsAction(BootControlInterface * boot_control)28 explicit UpdateBootFlagsAction(BootControlInterface* boot_control) 29 : boot_control_(boot_control) {} 30 31 void PerformAction() override; 32 33 void TerminateProcessing() override; 34 StaticType()35 static std::string StaticType() { return "UpdateBootFlagsAction"; } Type()36 std::string Type() const override { return StaticType(); } 37 38 void CompleteUpdateBootFlags(bool successful); 39 40 private: 41 FRIEND_TEST(UpdateBootFlagsActionTest, SimpleTest); 42 FRIEND_TEST(UpdateBootFlagsActionTest, DoubleActionTest); 43 44 // Originally, both of these flags are false. Once UpdateBootFlags is called, 45 // |is_running_| is set to true. As soon as UpdateBootFlags completes its 46 // asynchronous run, |is_running_| is reset to false and |updated_boot_flags_| 47 // is set to true. From that point on there will be no more changes to these 48 // flags. 49 // 50 // True if have updated the boot flags. 51 static bool updated_boot_flags_; 52 // True if we are still updating the boot flags. 53 static bool is_running_; 54 55 // Used for setting the boot flag. 56 BootControlInterface* boot_control_; 57 58 DISALLOW_COPY_AND_ASSIGN(UpdateBootFlagsAction); 59 }; 60 61 } // namespace chromeos_update_engine 62