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 // If the CHRE build variant wants to supply its own static nanoapps, include 18 // chre/platform/static_nanoapp_init.h in the nanoapp to include and define 19 // CHRE_STATIC_NANOAPP_INIT with the appropriate parameters (see examples under 20 // chre/apps/). Then, define the UniquePtr created by CHRE_STATIC_NANOAPP_INIT 21 // similar to chre/apps/apps.h and add that variable to kStaticNanoappList 22 // below. 23 #ifdef CHRE_INCLUDE_DEFAULT_STATIC_NANOAPPS 24 #include "chre/apps/apps.h" 25 #endif // CHRE_INCLUDE_DEFAULT_STATIC_NANOAPPS 26 #include "chre/core/event_loop_manager.h" 27 #include "chre/core/static_nanoapps.h" 28 #include "chre/util/macros.h" 29 30 namespace chre { 31 32 // The CHRE build variant can supply this macro to override the default list of 33 // static nanoapps. Most production variants will supply this macro as these 34 // nanoapps are mostly intended for testing and evaluation purposes. This list 35 // is supplied empty to ensure that the symbol is avilable for platforms with 36 // no static nanoapps. 37 #ifndef CHRE_VARIANT_SUPPLIES_STATIC_NANOAPP_LIST 38 39 //! The default list of static nanoapps to load. 40 const StaticNanoappInitFunction kStaticNanoappList[] = {}; 41 42 //! The size of the default static nanoapp list. 43 const size_t kStaticNanoappCount = ARRAY_SIZE(kStaticNanoappList); 44 45 #endif // CHRE_VARIANT_SUPPLIES_STATIC_NANOAPP_LIST 46 loadStaticNanoapps()47void loadStaticNanoapps() { 48 // Compare with zero to allow the compiler to optimize away the loop. 49 // Tautological comparisons are not warnings when comparing a const with 50 // another const. 51 if (kStaticNanoappCount > 0) { 52 // Cast the kStaticNanoappCount to size_t to avoid tautological comparison 53 // warnings when the kStaticNanoappCount is zero. 54 for (size_t i = 0; i < reinterpret_cast<size_t>(kStaticNanoappCount); i++) { 55 UniquePtr<Nanoapp> nanoapp = kStaticNanoappList[i](); 56 EventLoopManagerSingleton::get()->getEventLoop().startNanoapp(nanoapp); 57 } 58 } 59 } 60 61 } // namespace chre 62