11dc28b794587be22c90a97070d928f94586db638Glenn Kasten/* 21dc28b794587be22c90a97070d928f94586db638Glenn Kasten * Copyright (C) 2012 The Android Open Source Project 31dc28b794587be22c90a97070d928f94586db638Glenn Kasten * 41dc28b794587be22c90a97070d928f94586db638Glenn Kasten * Licensed under the Apache License, Version 2.0 (the "License"); 51dc28b794587be22c90a97070d928f94586db638Glenn Kasten * you may not use this file except in compliance with the License. 61dc28b794587be22c90a97070d928f94586db638Glenn Kasten * You may obtain a copy of the License at 71dc28b794587be22c90a97070d928f94586db638Glenn Kasten * 81dc28b794587be22c90a97070d928f94586db638Glenn Kasten * http://www.apache.org/licenses/LICENSE-2.0 91dc28b794587be22c90a97070d928f94586db638Glenn Kasten * 101dc28b794587be22c90a97070d928f94586db638Glenn Kasten * Unless required by applicable law or agreed to in writing, software 111dc28b794587be22c90a97070d928f94586db638Glenn Kasten * distributed under the License is distributed on an "AS IS" BASIS, 121dc28b794587be22c90a97070d928f94586db638Glenn Kasten * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 131dc28b794587be22c90a97070d928f94586db638Glenn Kasten * See the License for the specific language governing permissions and 141dc28b794587be22c90a97070d928f94586db638Glenn Kasten * limitations under the License. 151dc28b794587be22c90a97070d928f94586db638Glenn Kasten */ 161dc28b794587be22c90a97070d928f94586db638Glenn Kasten 17f59a4b393f4844c5bbc8d6212364bdddea33d232Eric Laurent#define LOG_TAG "ISchedulingPolicyService" 181dc28b794587be22c90a97070d928f94586db638Glenn Kasten//#define LOG_NDEBUG 0 191dc28b794587be22c90a97070d928f94586db638Glenn Kasten 201dc28b794587be22c90a97070d928f94586db638Glenn Kasten#include <binder/Parcel.h> 211dc28b794587be22c90a97070d928f94586db638Glenn Kasten#include "ISchedulingPolicyService.h" 221dc28b794587be22c90a97070d928f94586db638Glenn Kasten 231dc28b794587be22c90a97070d928f94586db638Glenn Kastennamespace android { 241dc28b794587be22c90a97070d928f94586db638Glenn Kasten 251dc28b794587be22c90a97070d928f94586db638Glenn Kasten// Keep in sync with frameworks/base/core/java/android/os/ISchedulingPolicyService.aidl 261dc28b794587be22c90a97070d928f94586db638Glenn Kastenenum { 271dc28b794587be22c90a97070d928f94586db638Glenn Kasten REQUEST_PRIORITY_TRANSACTION = IBinder::FIRST_CALL_TRANSACTION, 281dc28b794587be22c90a97070d928f94586db638Glenn Kasten}; 291dc28b794587be22c90a97070d928f94586db638Glenn Kasten 301dc28b794587be22c90a97070d928f94586db638Glenn Kasten// ---------------------------------------------------------------------- 311dc28b794587be22c90a97070d928f94586db638Glenn Kasten 321dc28b794587be22c90a97070d928f94586db638Glenn Kastenclass BpSchedulingPolicyService : public BpInterface<ISchedulingPolicyService> 331dc28b794587be22c90a97070d928f94586db638Glenn Kasten{ 341dc28b794587be22c90a97070d928f94586db638Glenn Kastenpublic: 351dc28b794587be22c90a97070d928f94586db638Glenn Kasten BpSchedulingPolicyService(const sp<IBinder>& impl) 361dc28b794587be22c90a97070d928f94586db638Glenn Kasten : BpInterface<ISchedulingPolicyService>(impl) 371dc28b794587be22c90a97070d928f94586db638Glenn Kasten { 381dc28b794587be22c90a97070d928f94586db638Glenn Kasten } 391dc28b794587be22c90a97070d928f94586db638Glenn Kasten 40f8197a6a9d9363cb52bb8a2c15c0e5a52064355eGlenn Kasten virtual int requestPriority(int32_t pid, int32_t tid, int32_t prio, bool asynchronous) 411dc28b794587be22c90a97070d928f94586db638Glenn Kasten { 421dc28b794587be22c90a97070d928f94586db638Glenn Kasten Parcel data, reply; 431dc28b794587be22c90a97070d928f94586db638Glenn Kasten data.writeInterfaceToken(ISchedulingPolicyService::getInterfaceDescriptor()); 441dc28b794587be22c90a97070d928f94586db638Glenn Kasten data.writeInt32(pid); 451dc28b794587be22c90a97070d928f94586db638Glenn Kasten data.writeInt32(tid); 461dc28b794587be22c90a97070d928f94586db638Glenn Kasten data.writeInt32(prio); 47f8197a6a9d9363cb52bb8a2c15c0e5a52064355eGlenn Kasten uint32_t flags = asynchronous ? IBinder::FLAG_ONEWAY : 0; 48f59a4b393f4844c5bbc8d6212364bdddea33d232Eric Laurent status_t status = remote()->transact(REQUEST_PRIORITY_TRANSACTION, data, &reply, flags); 49f59a4b393f4844c5bbc8d6212364bdddea33d232Eric Laurent if (status != NO_ERROR) { 50f59a4b393f4844c5bbc8d6212364bdddea33d232Eric Laurent return status; 51f59a4b393f4844c5bbc8d6212364bdddea33d232Eric Laurent } 52f59a4b393f4844c5bbc8d6212364bdddea33d232Eric Laurent if (asynchronous) { 53f59a4b393f4844c5bbc8d6212364bdddea33d232Eric Laurent return NO_ERROR; 54f59a4b393f4844c5bbc8d6212364bdddea33d232Eric Laurent } 55f59a4b393f4844c5bbc8d6212364bdddea33d232Eric Laurent // fail on exception: force binder reconnection 56f59a4b393f4844c5bbc8d6212364bdddea33d232Eric Laurent if (reply.readExceptionCode() != 0) { 57f59a4b393f4844c5bbc8d6212364bdddea33d232Eric Laurent return DEAD_OBJECT; 58f59a4b393f4844c5bbc8d6212364bdddea33d232Eric Laurent } 591dc28b794587be22c90a97070d928f94586db638Glenn Kasten return reply.readInt32(); 601dc28b794587be22c90a97070d928f94586db638Glenn Kasten } 611dc28b794587be22c90a97070d928f94586db638Glenn Kasten}; 621dc28b794587be22c90a97070d928f94586db638Glenn Kasten 631dc28b794587be22c90a97070d928f94586db638Glenn KastenIMPLEMENT_META_INTERFACE(SchedulingPolicyService, "android.os.ISchedulingPolicyService"); 641dc28b794587be22c90a97070d928f94586db638Glenn Kasten 651dc28b794587be22c90a97070d928f94586db638Glenn Kasten// ---------------------------------------------------------------------- 661dc28b794587be22c90a97070d928f94586db638Glenn Kasten 671dc28b794587be22c90a97070d928f94586db638Glenn Kastenstatus_t BnSchedulingPolicyService::onTransact( 681dc28b794587be22c90a97070d928f94586db638Glenn Kasten uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags) 691dc28b794587be22c90a97070d928f94586db638Glenn Kasten{ 701dc28b794587be22c90a97070d928f94586db638Glenn Kasten switch (code) { 711dc28b794587be22c90a97070d928f94586db638Glenn Kasten case REQUEST_PRIORITY_TRANSACTION: 721dc28b794587be22c90a97070d928f94586db638Glenn Kasten // Not reached 731dc28b794587be22c90a97070d928f94586db638Glenn Kasten return NO_ERROR; 741dc28b794587be22c90a97070d928f94586db638Glenn Kasten break; 751dc28b794587be22c90a97070d928f94586db638Glenn Kasten default: 761dc28b794587be22c90a97070d928f94586db638Glenn Kasten return BBinder::onTransact(code, data, reply, flags); 771dc28b794587be22c90a97070d928f94586db638Glenn Kasten } 781dc28b794587be22c90a97070d928f94586db638Glenn Kasten} 791dc28b794587be22c90a97070d928f94586db638Glenn Kasten 801dc28b794587be22c90a97070d928f94586db638Glenn Kasten} // namespace android 81