1 /* Copyright (C) 2018 The Android Open Source Project 2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 3 * 4 * This file implements interfaces from the file jvmti.h. This implementation 5 * is licensed under the same terms as the file jvmti.h. The 6 * copyright and license information for the file jvmti.h follows. 7 * 8 * Copyright (c) 2003, 2011, Oracle and/or its affiliates. All rights reserved. 9 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 10 * 11 * This code is free software; you can redistribute it and/or modify it 12 * under the terms of the GNU General Public License version 2 only, as 13 * published by the Free Software Foundation. Oracle designates this 14 * particular file as subject to the "Classpath" exception as provided 15 * by Oracle in the LICENSE file that accompanied this code. 16 * 17 * This code is distributed in the hope that it will be useful, but WITHOUT 18 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 19 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 20 * version 2 for more details (a copy is included in the LICENSE file that 21 * accompanied this code). 22 * 23 * You should have received a copy of the GNU General Public License version 24 * 2 along with this work; if not, write to the Free Software Foundation, 25 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 26 * 27 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 28 * or visit www.oracle.com if you need additional information or have any 29 * questions. 30 */ 31 32 #include "ti_logging.h" 33 34 #include "art_jvmti.h" 35 36 #include "base/mutex.h" 37 #include "base/strlcpy.h" 38 #include "thread-current-inl.h" 39 40 namespace openjdkjvmti { 41 42 jvmtiError LogUtil::GetLastError(jvmtiEnv* env, char** data) { 43 if (env == nullptr || data == nullptr) { 44 return ERR(INVALID_ENVIRONMENT); 45 } 46 ArtJvmTiEnv* tienv = ArtJvmTiEnv::AsArtJvmTiEnv(env); 47 art::MutexLock mu(art::Thread::Current(), tienv->last_error_mutex_); 48 if (tienv->last_error_.empty()) { 49 return ERR(ABSENT_INFORMATION); 50 } 51 const size_t size = tienv->last_error_.size() + 1; 52 char* out; 53 jvmtiError err = tienv->Allocate(size, reinterpret_cast<unsigned char**>(&out)); 54 if (err != OK) { 55 return err; 56 } 57 strlcpy(out, tienv->last_error_.c_str(), size); 58 *data = out; 59 return OK; 60 } 61 62 jvmtiError LogUtil::ClearLastError(jvmtiEnv* env) { 63 if (env == nullptr) { 64 return ERR(INVALID_ENVIRONMENT); 65 } 66 ArtJvmTiEnv* tienv = ArtJvmTiEnv::AsArtJvmTiEnv(env); 67 art::MutexLock mu(art::Thread::Current(), tienv->last_error_mutex_); 68 tienv->last_error_.clear(); 69 return OK; 70 } 71 72 } // namespace openjdkjvmti 73
