Add HIDL Scheduler Service implementation. (23646144) · Commits · e / os / android_frameworks_native

services/schedulerservice/Android.bp

0 → 100644

+25 −0

Original line number	Diff line number	Diff line
		cc_library_shared {
		name: "libschedulerservicehidl",
		srcs: [
		"SchedulingPolicyService.cpp",
		],
		shared_libs: [
		"libhidlbase",
		"libhidltransport",
		"libhwbinder",
		"libmediautils",
		"liblog",
		"libutils",
		"android.hidl.base@1.0",
		"android.frameworks.schedulerservice@1.0",
		],
		header_libs: [
		"libcutils_headers",
		],
		export_include_dirs: [
		"include/"
		],
		local_include_dirs: [
		"include/schedulerservice/",
		],
		}

services/schedulerservice/SchedulingPolicyService.cpp

0 → 100644

+53 −0

Original line number	Diff line number	Diff line
		/*
		* Copyright (C) 2017 The Android Open Source Project
		*
		* 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.
		*/
		#define LOG_TAG "schedulerservicehidl"

		#include "SchedulingPolicyService.h"

		#include <private/android_filesystem_config.h> // for AID_CAMERASERVER

		#include <log/log.h>
		#include <hwbinder/IPCThreadState.h>
		#include <mediautils/SchedulingPolicyService.h>

		namespace android {
		namespace frameworks {
		namespace schedulerservice {
		namespace V1_0 {
		namespace implementation {

		Return<bool> SchedulingPolicyService::requestPriority(int32_t pid, int32_t tid, int32_t priority) {
		using ::android::hardware::IPCThreadState;

		if (priority < static_cast<int32_t>(Priority::MIN) \|\|
		priority > static_cast<int32_t>(Priority::MAX)) {
		return false;
		}

		if (IPCThreadState::self()->getCallingUid() != AID_CAMERASERVER) {
		return false;
		}

		// this should always be allowed since we are in system_server.
		int value = ::android::requestPriority(pid, tid, priority, false /* isForApp */);
		return value == 0 /* success */;
		}

		} // namespace implementation
		} // namespace V1_0
		} // namespace schedulerservice
		} // namespace frameworks
		} // namespace android

services/schedulerservice/include/schedulerservice/SchedulingPolicyService.h

0 → 100644

+47 −0

Original line number	Diff line number	Diff line
		/*
		* Copyright (C) 2017 The Android Open Source Project
		*
		* 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.
		*/
		#pragma once

		#include <android/frameworks/schedulerservice/1.0/ISchedulingPolicyService.h>
		#include <hidl/MQDescriptor.h>
		#include <hidl/Status.h>

		namespace android {
		namespace frameworks {
		namespace schedulerservice {
		namespace V1_0 {
		namespace implementation {

		using ::android::frameworks::schedulerservice::V1_0::ISchedulingPolicyService;
		using ::android::hidl::base::V1_0::DebugInfo;
		using ::android::hidl::base::V1_0::IBase;
		using ::android::hardware::hidl_array;
		using ::android::hardware::hidl_memory;
		using ::android::hardware::hidl_string;
		using ::android::hardware::hidl_vec;
		using ::android::hardware::Return;
		using ::android::hardware::Void;
		using ::android::sp;

		struct SchedulingPolicyService : public ISchedulingPolicyService {
		Return<bool> requestPriority(int32_t pid, int32_t tid, int32_t priority) override;
		};

		} // namespace implementation
		} // namespace V1_0
		} // namespace schedulerservice
		} // namespace frameworks
		} // namespace android