1 /* 2 * Copyright (C) 2008 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 // All static variables go here, to control initialization and 18 // destruction order in the library. 19 20 #include <private/utils/Static.h> 21 22 #include <utils/BufferedTextOutput.h> 23 #include <utils/Log.h> 24 25 namespace android { 26 27 class LibUtilsFirstStatics 28 { 29 public: LibUtilsFirstStatics()30 LibUtilsFirstStatics() 31 { 32 initialize_string8(); 33 initialize_string16(); 34 } 35 ~LibUtilsFirstStatics()36 ~LibUtilsFirstStatics() 37 { 38 terminate_string16(); 39 terminate_string8(); 40 } 41 }; 42 43 static LibUtilsFirstStatics gFirstStatics; 44 int gDarwinCantLoadAllObjects = 1; 45 46 // ------------ Text output streams 47 48 Vector<int32_t> gTextBuffers; 49 50 class LogTextOutput : public BufferedTextOutput 51 { 52 public: LogTextOutput()53 LogTextOutput() : BufferedTextOutput(MULTITHREADED) { } ~LogTextOutput()54 virtual ~LogTextOutput() { }; 55 56 protected: writeLines(const struct iovec & vec,size_t N)57 virtual status_t writeLines(const struct iovec& vec, size_t N) 58 { 59 //android_writevLog(&vec, N); <-- this is now a no-op 60 if (N != 1) ALOGI("WARNING: writeLines N=%zu\n", N); 61 ALOGI("%.*s", (int)vec.iov_len, (const char*) vec.iov_base); 62 return NO_ERROR; 63 } 64 }; 65 66 class FdTextOutput : public BufferedTextOutput 67 { 68 public: FdTextOutput(int fd)69 FdTextOutput(int fd) : BufferedTextOutput(MULTITHREADED), mFD(fd) { } ~FdTextOutput()70 virtual ~FdTextOutput() { }; 71 72 protected: writeLines(const struct iovec & vec,size_t N)73 virtual status_t writeLines(const struct iovec& vec, size_t N) 74 { 75 writev(mFD, &vec, N); 76 return NO_ERROR; 77 } 78 79 private: 80 int mFD; 81 }; 82 83 static LogTextOutput gLogTextOutput; 84 static FdTextOutput gStdoutTextOutput(STDOUT_FILENO); 85 static FdTextOutput gStderrTextOutput(STDERR_FILENO); 86 87 TextOutput& alog(gLogTextOutput); 88 TextOutput& aout(gStdoutTextOutput); 89 TextOutput& aerr(gStderrTextOutput); 90 91 } // namespace android 92