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 #include "ThreadInfo.h" 17 #include "cutils/threads.h" 18 19 #ifdef __BIONIC__ 20 #include <bionic/tls.h> 21 #endif 22 23 #ifdef __ANDROID__ 24 // Are we missing an actual set of TLS defs? 25 #ifdef GOLDFISH_OPENGL_NO_PLATFORM_BIONIC_INCLUDES 26 #include <bionic_tls.h> 27 #endif 28 #endif 29 30 #include <pthread.h> 31 32 thread_store_t s_tls = THREAD_STORE_INITIALIZER; 33 sDefaultTlsDestructorCallback(void * ptr)34static bool sDefaultTlsDestructorCallback(__attribute__((__unused__)) void* ptr) { 35 return true; 36 } 37 static bool (*sTlsDestructorCallback)(void*) = sDefaultTlsDestructorCallback; 38 tlsDestruct(void * ptr)39static void tlsDestruct(void *ptr) 40 { 41 sTlsDestructorCallback(ptr); 42 if (ptr 43 #ifdef __ANDROID__ 44 && ((void **)__get_tls())[TLS_SLOT_OPENGL] 45 #endif 46 ) { 47 EGLThreadInfo *ti = (EGLThreadInfo *)ptr; 48 delete ti->hostConn; 49 delete ti; 50 #ifdef __ANDROID__ 51 ((void **)__get_tls())[TLS_SLOT_OPENGL] = NULL; 52 #endif 53 } 54 } 55 setTlsDestructor(tlsDtorCallback func)56void setTlsDestructor(tlsDtorCallback func) { 57 sTlsDestructorCallback = func; 58 } 59 goldfish_get_egl_tls()60EGLThreadInfo *goldfish_get_egl_tls() 61 { 62 EGLThreadInfo* ti = (EGLThreadInfo*)thread_store_get(&s_tls); 63 64 if (ti) return ti; 65 66 ti = new EGLThreadInfo(); 67 thread_store_set(&s_tls, ti, tlsDestruct); 68 69 return ti; 70 } 71 getEGLThreadInfo()72EGLThreadInfo* getEGLThreadInfo() { 73 #ifdef __ANDROID__ 74 EGLThreadInfo *tInfo = 75 (EGLThreadInfo *)(((uintptr_t *)__get_tls())[TLS_SLOT_OPENGL]); 76 if (!tInfo) { 77 tInfo = goldfish_get_egl_tls(); 78 ((uintptr_t *)__get_tls())[TLS_SLOT_OPENGL] = (uintptr_t)tInfo; 79 } 80 return tInfo; 81 #else 82 return goldfish_get_egl_tls(); 83 #endif 84 } 85 getCurrentThreadId()86int32_t getCurrentThreadId() { 87 return (int32_t)gettid(); 88 } 89