1 /* 2 * Copyright (C) 2011 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 #ifndef ART_RUNTIME_THREAD_CURRENT_INL_H_ 18 #define ART_RUNTIME_THREAD_CURRENT_INL_H_ 19 20 #include "thread.h" 21 22 #ifdef ART_TARGET_ANDROID 23 #include <bionic_tls.h> // Access to our own TLS slot. 24 #endif 25 26 #include <pthread.h> 27 28 namespace art { 29 30 inline Thread* Thread::Current() { 31 // We rely on Thread::Current returning null for a detached thread, so it's not obvious 32 // that we can replace this with a direct %fs access on x86. 33 if (!is_started_) { 34 return nullptr; 35 } else { 36 #ifdef ART_TARGET_ANDROID 37 void* thread = __get_tls()[TLS_SLOT_ART_THREAD_SELF]; 38 #else 39 void* thread = pthread_getspecific(Thread::pthread_key_self_); 40 #endif 41 return reinterpret_cast<Thread*>(thread); 42 } 43 } 44 45 } // namespace art 46 47 #endif // ART_RUNTIME_THREAD_CURRENT_INL_H_ 48
