1 /* 2 * Copyright (C) 2017 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 "chre/apps/apps.h" 18 #include "chre/core/event_loop_manager.h" 19 #include "chre/core/static_nanoapps.h" 20 #include "chre/util/macros.h" 21 22 namespace chre { 23 24 // The CHRE build variant can supply this macro to override the default list of 25 // static nanoapps. Most production variants will supply this macro as these 26 // nanoapps are mostly intended for testing and evaluation purposes. This list 27 // is supplied empty to ensure that the symbol is avilable for platforms with 28 // no static nanoapps. 29 #ifndef CHRE_VARIANT_SUPPLIES_STATIC_NANOAPP_LIST 30 31 //! The default list of static nanoapps to load. 32 const StaticNanoappInitFunction kStaticNanoappList[] = {}; 33 34 //! The size of the default static nanoapp list. 35 const size_t kStaticNanoappCount = ARRAY_SIZE(kStaticNanoappList); 36 37 #endif // CHRE_VARIANT_SUPPLIES_STATIC_NANOAPP_LIST 38 39 void loadStaticNanoapps() { 40 // Compare with zero to allow the compiler to optimize away the loop. 41 // Tautological comparisons are not warnings when comparing a const with 42 // another const. 43 if (kStaticNanoappCount > 0) { 44 // Cast the kStaticNanoappCount to size_t to avoid tautological comparison 45 // warnings when the kStaticNanoappCount is zero. 46 for (size_t i = 0; i < reinterpret_cast<size_t>(kStaticNanoappCount); i++) { 47 UniquePtr<Nanoapp> nanoapp = kStaticNanoappList[i](); 48 EventLoopManagerSingleton::get()->getEventLoop().startNanoapp(nanoapp); 49 } 50 } 51 } 52 53 } // namespace chre 54