OpenjdkJvm.cc revision 6c0ea2799f7dc8b8763c07a6e94c23590f6b54b5
1df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski/* 2df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski * Copyright (C) 2014 The Android Open Source Project 3df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski * 4df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski * Licensed under the Apache License, Version 2.0 (the "License"); 5df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski * you may not use this file except in compliance with the License. 6df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski * You may obtain a copy of the License at 7df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski * 8df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski * http://www.apache.org/licenses/LICENSE-2.0 9df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski * 10df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski * Unless required by applicable law or agreed to in writing, software 11df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski * distributed under the License is distributed on an "AS IS" BASIS, 12df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski * See the License for the specific language governing permissions and 14df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski * limitations under the License. 15df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski */ 16df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski 17df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski/* 18df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski * Services that OpenJDK expects the VM to provide. 19df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski */ 20df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski#include<stdio.h> 21df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski#include <dlfcn.h> 22df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski#include <limits.h> 23df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski#include <unistd.h> 24df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski 25df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski#include "common_throws.h" 26df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski#include "gc/heap.h" 27df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski#include "thread.h" 28df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski#include "thread_list.h" 29df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski#include "runtime.h" 30df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski#include "handle_scope-inl.h" 31df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski#include "scoped_thread_state_change.h" 32df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski#include "ScopedUtfChars.h" 33df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski#include "mirror/class_loader.h" 34df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski#include "verify_object-inl.h" 35df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski#include "base/logging.h" 36df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski#include "base/macros.h" 37a0cf5a663f19f0392187d349f1832d85f90ab805Narayan Kamath#include "../../libcore/ojluni/src/main/native/jvm.h" // TODO(narayan): fix it 38df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski#include "jni_internal.h" 39df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski#include "mirror/string-inl.h" 40df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski#include "scoped_fast_native_object_access.h" 41df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski#include "ScopedLocalRef.h" 42df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski#include <sys/time.h> 43df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski#include <sys/socket.h> 44df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski#include <sys/ioctl.h> 45df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski 46df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski#undef LOG_TAG 47df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski#define LOG_TAG "artopenjdx" 48df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski 49d1ef4362bf799f9f5d50e5edef8433664b503051Narayan Kamathusing art::DEBUG; 50d1ef4362bf799f9f5d50e5edef8433664b503051Narayan Kamathusing art::WARNING; 51d1ef4362bf799f9f5d50e5edef8433664b503051Narayan Kamathusing art::VERBOSE; 52d1ef4362bf799f9f5d50e5edef8433664b503051Narayan Kamathusing art::INFO; 53d1ef4362bf799f9f5d50e5edef8433664b503051Narayan Kamathusing art::ERROR; 54d1ef4362bf799f9f5d50e5edef8433664b503051Narayan Kamathusing art::FATAL; 55d1ef4362bf799f9f5d50e5edef8433664b503051Narayan Kamath 56df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski/* posix open() with extensions; used by e.g. ZipFile */ 57a0cf5a663f19f0392187d349f1832d85f90ab805Narayan KamathJNIEXPORT jint JVM_Open(const char* fname, jint flags, jint mode) { 58df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski LOG(DEBUG) << "JVM_Open fname='" << fname << "', flags=" << flags << ", mode=" << mode; 59df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski 60df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski /* 61df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski * The call is expected to handle JVM_O_DELETE, which causes the file 62df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski * to be removed after it is opened. Also, some code seems to 63df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski * want the special return value JVM_EEXIST if the file open fails 64df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski * due to O_EXCL. 65df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski */ 66df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski int fd = TEMP_FAILURE_RETRY(open(fname, flags & ~JVM_O_DELETE, mode)); 67df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski if (fd < 0) { 68df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski int err = errno; 69df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski LOG(DEBUG) << "open(" << fname << ") failed: " << strerror(errno); 70df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski if (err == EEXIST) { 71df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski return JVM_EEXIST; 72df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski } else { 73df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski return -1; 74df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski } 75df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski } 76df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski 77df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski if (flags & JVM_O_DELETE) { 78df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski LOG(DEBUG) << "Deleting '" << fname << "' after open\n"; 79df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski if (unlink(fname) != 0) { 80df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski LOG(WARNING) << "Post-open deletion of '" << fname << "' failed: " << strerror(errno); 81df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski } 82df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski /* ignore */ 83df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski } 84df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski 85df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski LOG(VERBOSE) << "open(" << fname << ") --> " << fd; 86df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski return fd; 87df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski} 88df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski 89df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski/* posix close() */ 90a0cf5a663f19f0392187d349f1832d85f90ab805Narayan KamathJNIEXPORT jint JVM_Close(jint fd) { 91df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski LOG(DEBUG) << "JVM_Close fd=" << fd; 92df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski // don't want TEMP_FAILURE_RETRY here -- file is closed even if EINTR 93df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski return close(fd); 94df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski} 95df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski 96df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski/* posix read() */ 97a0cf5a663f19f0392187d349f1832d85f90ab805Narayan KamathJNIEXPORT jint JVM_Read(jint fd, char* buf, jint nbytes) { 98df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski LOG(DEBUG) << "JVM_Read fd=" << fd << ", buf='" << buf << "', nbytes=" << nbytes; 99df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski return TEMP_FAILURE_RETRY(read(fd, buf, nbytes)); 100df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski} 101df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski 102df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski/* posix write(); is used to write messages to stderr */ 103a0cf5a663f19f0392187d349f1832d85f90ab805Narayan KamathJNIEXPORT jint JVM_Write(jint fd, char* buf, jint nbytes) { 104df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski LOG(DEBUG) << "JVM_Write fd=" << fd << ", buf='" << buf << "', nbytes=" << nbytes; 105df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski return TEMP_FAILURE_RETRY(write(fd, buf, nbytes)); 106df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski} 107df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski 108df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski/* posix lseek() */ 109a0cf5a663f19f0392187d349f1832d85f90ab805Narayan KamathJNIEXPORT jlong JVM_Lseek(jint fd, jlong offset, jint whence) { 110df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski LOG(DEBUG) << "JVM_Lseek fd=" << fd << ", offset=" << offset << ", whence=" << whence; 111df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski return TEMP_FAILURE_RETRY(lseek(fd, offset, whence)); 112df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski} 113a0cf5a663f19f0392187d349f1832d85f90ab805Narayan Kamath 114df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski/* 115df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski * "raw monitors" seem to be expected to behave like non-recursive pthread 116df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski * mutexes. They're used by ZipFile. 117df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski */ 118a0cf5a663f19f0392187d349f1832d85f90ab805Narayan KamathJNIEXPORT void* JVM_RawMonitorCreate(void) { 119df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski LOG(DEBUG) << "JVM_RawMonitorCreate"; 120df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski pthread_mutex_t* newMutex = 121a0cf5a663f19f0392187d349f1832d85f90ab805Narayan Kamath reinterpret_cast<pthread_mutex_t*>(malloc(sizeof(pthread_mutex_t))); 122df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski pthread_mutex_init(newMutex, NULL); 123df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski return newMutex; 124df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski} 125df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski 126a0cf5a663f19f0392187d349f1832d85f90ab805Narayan KamathJNIEXPORT void JVM_RawMonitorDestroy(void* mon) { 127df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski LOG(DEBUG) << "JVM_RawMonitorDestroy mon=" << mon; 128a0cf5a663f19f0392187d349f1832d85f90ab805Narayan Kamath pthread_mutex_destroy(reinterpret_cast<pthread_mutex_t*>(mon)); 129df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski} 130df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski 131a0cf5a663f19f0392187d349f1832d85f90ab805Narayan KamathJNIEXPORT jint JVM_RawMonitorEnter(void* mon) { 132df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski LOG(DEBUG) << "JVM_RawMonitorEnter mon=" << mon; 133a0cf5a663f19f0392187d349f1832d85f90ab805Narayan Kamath return pthread_mutex_lock(reinterpret_cast<pthread_mutex_t*>(mon)); 134df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski} 135df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski 136a0cf5a663f19f0392187d349f1832d85f90ab805Narayan KamathJNIEXPORT void JVM_RawMonitorExit(void* mon) { 137df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski LOG(DEBUG) << "JVM_RawMonitorExit mon=" << mon; 138a0cf5a663f19f0392187d349f1832d85f90ab805Narayan Kamath pthread_mutex_unlock(reinterpret_cast<pthread_mutex_t*>(mon)); 139df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski} 140df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski 141a0cf5a663f19f0392187d349f1832d85f90ab805Narayan KamathJNIEXPORT char* JVM_NativePath(char* path) { 142df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski LOG(DEBUG) << "JVM_NativePath path='" << path << "'"; 143df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski return path; 144df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski} 145df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski 146a0cf5a663f19f0392187d349f1832d85f90ab805Narayan KamathJNIEXPORT jint JVM_GetLastErrorString(char* buf, int len) { 147d1ef4362bf799f9f5d50e5edef8433664b503051Narayan Kamath#if defined(__GLIBC__) || defined(__BIONIC__) 148d1ef4362bf799f9f5d50e5edef8433664b503051Narayan Kamath int err = errno; // grab before JVM_TRACE can trash it 149d1ef4362bf799f9f5d50e5edef8433664b503051Narayan Kamath LOG(DEBUG) << "JVM_GetLastErrorString buf=" << buf << ", len=" << len; 150d1ef4362bf799f9f5d50e5edef8433664b503051Narayan Kamath 151d1ef4362bf799f9f5d50e5edef8433664b503051Narayan Kamath if (len == 0) { 152d1ef4362bf799f9f5d50e5edef8433664b503051Narayan Kamath return 0; 153d1ef4362bf799f9f5d50e5edef8433664b503051Narayan Kamath } 154df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski 155d1ef4362bf799f9f5d50e5edef8433664b503051Narayan Kamath char* result = strerror_r(err, buf, len); 156d1ef4362bf799f9f5d50e5edef8433664b503051Narayan Kamath if (result != buf) { 157d1ef4362bf799f9f5d50e5edef8433664b503051Narayan Kamath strncpy(buf, result, len); 158d1ef4362bf799f9f5d50e5edef8433664b503051Narayan Kamath buf[len - 1] = '\0'; 159d1ef4362bf799f9f5d50e5edef8433664b503051Narayan Kamath } 160df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski 161d1ef4362bf799f9f5d50e5edef8433664b503051Narayan Kamath return strlen(buf); 162df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski#else 163d1ef4362bf799f9f5d50e5edef8433664b503051Narayan Kamath UNUSED(buf); 164d1ef4362bf799f9f5d50e5edef8433664b503051Narayan Kamath UNUSED(len); 165d1ef4362bf799f9f5d50e5edef8433664b503051Narayan Kamath return -1; 166df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski#endif 167df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski} 168df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski 169a0cf5a663f19f0392187d349f1832d85f90ab805Narayan KamathJNIEXPORT int jio_fprintf(FILE* fp, const char* fmt, ...) { 170df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski va_list args; 171df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski 172df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski va_start(args, fmt); 173df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski int len = jio_vfprintf(fp, fmt, args); 174df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski va_end(args); 175df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski 176df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski return len; 177df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski} 178df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski 179a0cf5a663f19f0392187d349f1832d85f90ab805Narayan KamathJNIEXPORT int jio_vfprintf(FILE* fp, const char* fmt, va_list args) { 180df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski assert(fp != NULL); 181df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski return vfprintf(fp, fmt, args); 182df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski} 183df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski 184df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski/* posix fsync() */ 185a0cf5a663f19f0392187d349f1832d85f90ab805Narayan KamathJNIEXPORT jint JVM_Sync(jint fd) { 186df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski LOG(DEBUG) << "JVM_Sync fd=" << fd; 187df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski return TEMP_FAILURE_RETRY(fsync(fd)); 188df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski} 189df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski 190a0cf5a663f19f0392187d349f1832d85f90ab805Narayan KamathJNIEXPORT void* JVM_FindLibraryEntry(void* handle, const char* name) { 191df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski LOG(DEBUG) << "JVM_FindLibraryEntry handle=" << handle << " name=" << name; 19267d39adad3261f3932defef6b2d1d30b470d1be0Przemyslaw Szczepaniak return dlsym(handle, name); 193df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski} 194df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski 1956c0ea2799f7dc8b8763c07a6e94c23590f6b54b5Przemyslaw SzczepaniakJNIEXPORT jlong JVM_CurrentTimeMillis(JNIEnv* env, jclass clazz ATTRIBUTE_UNUSED) { 196df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski LOG(DEBUG) << "JVM_CurrentTimeMillis env=" << env; 197df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski struct timeval tv; 198df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski 199df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski gettimeofday(&tv, (struct timezone *) NULL); 200df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski jlong when = tv.tv_sec * 1000LL + tv.tv_usec / 1000; 201df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski return when; 202df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski} 203df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski 204a0cf5a663f19f0392187d349f1832d85f90ab805Narayan KamathJNIEXPORT jint JVM_Socket(jint domain, jint type, jint protocol) { 205df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski LOG(DEBUG) << "JVM_Socket domain=" << domain << ", type=" << type << ", protocol=" << protocol; 206df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski 207df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski return TEMP_FAILURE_RETRY(socket(domain, type, protocol)); 208df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski} 209df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski 210df0b17a474306198b7b0320311496e42d707a00ePiotr JastrzebskiJNIEXPORT jint JVM_InitializeSocketLibrary() { 211df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski return 0; 212df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski} 213df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski 214df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebskiint jio_vsnprintf(char *str, size_t count, const char *fmt, va_list args) { 215a0cf5a663f19f0392187d349f1832d85f90ab805Narayan Kamath if ((intptr_t)count <= 0) return -1; 216a0cf5a663f19f0392187d349f1832d85f90ab805Narayan Kamath return vsnprintf(str, count, fmt, args); 217df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski} 218df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski 219df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebskiint jio_snprintf(char *str, size_t count, const char *fmt, ...) { 220a0cf5a663f19f0392187d349f1832d85f90ab805Narayan Kamath va_list args; 221a0cf5a663f19f0392187d349f1832d85f90ab805Narayan Kamath int len; 222a0cf5a663f19f0392187d349f1832d85f90ab805Narayan Kamath va_start(args, fmt); 223a0cf5a663f19f0392187d349f1832d85f90ab805Narayan Kamath len = jio_vsnprintf(str, count, fmt, args); 224a0cf5a663f19f0392187d349f1832d85f90ab805Narayan Kamath va_end(args); 225a0cf5a663f19f0392187d349f1832d85f90ab805Narayan Kamath return len; 226df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski} 227df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski 228df0b17a474306198b7b0320311496e42d707a00ePiotr JastrzebskiJNIEXPORT jint JVM_SetSockOpt(jint fd, int level, int optname, 229a0cf5a663f19f0392187d349f1832d85f90ab805Narayan Kamath const char* optval, int optlen) { 230a0cf5a663f19f0392187d349f1832d85f90ab805Narayan Kamath LOG(DEBUG) << "JVM_SetSockOpt fd=" << fd << ", level=" << level << ", optname=" << optname 231a0cf5a663f19f0392187d349f1832d85f90ab805Narayan Kamath << ", optval=" << optval << ", optlen=" << optlen; 232a0cf5a663f19f0392187d349f1832d85f90ab805Narayan Kamath return TEMP_FAILURE_RETRY(setsockopt(fd, level, optname, optval, optlen)); 233df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski} 234df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski 235a0cf5a663f19f0392187d349f1832d85f90ab805Narayan KamathJNIEXPORT jint JVM_SocketShutdown(jint fd, jint howto) { 236a0cf5a663f19f0392187d349f1832d85f90ab805Narayan Kamath LOG(DEBUG) << "JVM_SocketShutdown fd=" << fd << ", howto=" << howto; 237a0cf5a663f19f0392187d349f1832d85f90ab805Narayan Kamath return TEMP_FAILURE_RETRY(shutdown(fd, howto)); 238df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski} 239df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski 240df0b17a474306198b7b0320311496e42d707a00ePiotr JastrzebskiJNIEXPORT jint JVM_GetSockOpt(jint fd, int level, int optname, char* optval, 241a0cf5a663f19f0392187d349f1832d85f90ab805Narayan Kamath int* optlen) { 242a0cf5a663f19f0392187d349f1832d85f90ab805Narayan Kamath LOG(DEBUG) << "JVM_GetSockOpt fd=" << fd << ", level=" << level << ", optname=" << optname 243a0cf5a663f19f0392187d349f1832d85f90ab805Narayan Kamath << ", optval=" << optval << ", optlen=" << optlen; 244df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski 245a0cf5a663f19f0392187d349f1832d85f90ab805Narayan Kamath socklen_t len = *optlen; 246a0cf5a663f19f0392187d349f1832d85f90ab805Narayan Kamath int cc = TEMP_FAILURE_RETRY(getsockopt(fd, level, optname, optval, &len)); 247a0cf5a663f19f0392187d349f1832d85f90ab805Narayan Kamath *optlen = len; 248a0cf5a663f19f0392187d349f1832d85f90ab805Narayan Kamath return cc; 249df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski} 250df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski 251a0cf5a663f19f0392187d349f1832d85f90ab805Narayan KamathJNIEXPORT jint JVM_GetSockName(jint fd, struct sockaddr* addr, int* addrlen) { 252a0cf5a663f19f0392187d349f1832d85f90ab805Narayan Kamath LOG(DEBUG) << "JVM_GetSockName fd=" << fd << ", addr=" << addr << ", addrlen=" << addrlen; 253df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski 254a0cf5a663f19f0392187d349f1832d85f90ab805Narayan Kamath socklen_t len = *addrlen; 255a0cf5a663f19f0392187d349f1832d85f90ab805Narayan Kamath int cc = TEMP_FAILURE_RETRY(getsockname(fd, addr, &len)); 256a0cf5a663f19f0392187d349f1832d85f90ab805Narayan Kamath *addrlen = len; 257a0cf5a663f19f0392187d349f1832d85f90ab805Narayan Kamath return cc; 258df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski} 259df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski 260a0cf5a663f19f0392187d349f1832d85f90ab805Narayan KamathJNIEXPORT jint JVM_SocketAvailable(jint fd, jint* result) { 261a0cf5a663f19f0392187d349f1832d85f90ab805Narayan Kamath LOG(DEBUG) << "JVM_SocketAvailable fd=" << fd << ", result=" << result; 262df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski 263a0cf5a663f19f0392187d349f1832d85f90ab805Narayan Kamath if (TEMP_FAILURE_RETRY(ioctl(fd, FIONREAD, result)) < 0) { 264a0cf5a663f19f0392187d349f1832d85f90ab805Narayan Kamath LOG(DEBUG) << "ioctl(" << fd << ", FIONREAD) failed: " << strerror(errno); 265a0cf5a663f19f0392187d349f1832d85f90ab805Narayan Kamath return JNI_FALSE; 266a0cf5a663f19f0392187d349f1832d85f90ab805Narayan Kamath } 267df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski 268a0cf5a663f19f0392187d349f1832d85f90ab805Narayan Kamath return JNI_TRUE; 269df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski} 270df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski 271a0cf5a663f19f0392187d349f1832d85f90ab805Narayan KamathJNIEXPORT jint JVM_Send(jint fd, char* buf, jint nBytes, jint flags) { 272a0cf5a663f19f0392187d349f1832d85f90ab805Narayan Kamath LOG(DEBUG) << "JVM_Send fd=" << fd << ", buf=" << buf << ", nBytes=" 273a0cf5a663f19f0392187d349f1832d85f90ab805Narayan Kamath << nBytes << ", flags=" << flags; 274df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski 275a0cf5a663f19f0392187d349f1832d85f90ab805Narayan Kamath return TEMP_FAILURE_RETRY(send(fd, buf, nBytes, flags)); 276df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski} 277df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski 278a0cf5a663f19f0392187d349f1832d85f90ab805Narayan KamathJNIEXPORT jint JVM_SocketClose(jint fd) { 279a0cf5a663f19f0392187d349f1832d85f90ab805Narayan Kamath LOG(DEBUG) << "JVM_SocketClose fd=" << fd; 280df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski 281df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski // don't want TEMP_FAILURE_RETRY here -- file is closed even if EINTR 282a0cf5a663f19f0392187d349f1832d85f90ab805Narayan Kamath return close(fd); 283df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski} 284df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski 285a0cf5a663f19f0392187d349f1832d85f90ab805Narayan KamathJNIEXPORT jint JVM_Listen(jint fd, jint count) { 286a0cf5a663f19f0392187d349f1832d85f90ab805Narayan Kamath LOG(DEBUG) << "JVM_Listen fd=" << fd << ", count=" << count; 287df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski 288a0cf5a663f19f0392187d349f1832d85f90ab805Narayan Kamath return TEMP_FAILURE_RETRY(listen(fd, count)); 289df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski} 290df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski 291a0cf5a663f19f0392187d349f1832d85f90ab805Narayan KamathJNIEXPORT jint JVM_Connect(jint fd, struct sockaddr* addr, jint addrlen) { 292a0cf5a663f19f0392187d349f1832d85f90ab805Narayan Kamath LOG(DEBUG) << "JVM_Connect fd=" << fd << ", addr=" << addr << ", addrlen=" << addrlen; 293df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski 294a0cf5a663f19f0392187d349f1832d85f90ab805Narayan Kamath return TEMP_FAILURE_RETRY(connect(fd, addr, addrlen)); 295df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski} 296df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski 297a0cf5a663f19f0392187d349f1832d85f90ab805Narayan KamathJNIEXPORT int JVM_GetHostName(char* name, int namelen) { 298a0cf5a663f19f0392187d349f1832d85f90ab805Narayan Kamath LOG(DEBUG) << "JVM_GetHostName name=" << name << ", namelen=" << namelen; 299df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski 300a0cf5a663f19f0392187d349f1832d85f90ab805Narayan Kamath return TEMP_FAILURE_RETRY(gethostname(name, namelen)); 301df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski} 302df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski 303a0cf5a663f19f0392187d349f1832d85f90ab805Narayan KamathJNIEXPORT jstring JVM_InternString(JNIEnv* env, jstring jstr) { 304a0cf5a663f19f0392187d349f1832d85f90ab805Narayan Kamath LOG(DEBUG) << "JVM_InternString env=" << env << ", jstr=" << jstr; 305a0cf5a663f19f0392187d349f1832d85f90ab805Narayan Kamath art::ScopedFastNativeObjectAccess soa(env); 306a0cf5a663f19f0392187d349f1832d85f90ab805Narayan Kamath art::mirror::String* s = soa.Decode<art::mirror::String*>(jstr); 307a0cf5a663f19f0392187d349f1832d85f90ab805Narayan Kamath art::mirror::String* result = s->Intern(); 308a0cf5a663f19f0392187d349f1832d85f90ab805Narayan Kamath return soa.AddLocalReference<jstring>(result); 309df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski} 310df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski 311df0b17a474306198b7b0320311496e42d707a00ePiotr JastrzebskiJNIEXPORT jlong JVM_FreeMemory(void) { 312a0cf5a663f19f0392187d349f1832d85f90ab805Narayan Kamath return art::Runtime::Current()->GetHeap()->GetFreeMemory(); 313df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski} 314df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski 315df0b17a474306198b7b0320311496e42d707a00ePiotr JastrzebskiJNIEXPORT jlong JVM_TotalMemory(void) { 316a0cf5a663f19f0392187d349f1832d85f90ab805Narayan Kamath return art::Runtime::Current()->GetHeap()->GetTotalMemory(); 317df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski} 318df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski 319df0b17a474306198b7b0320311496e42d707a00ePiotr JastrzebskiJNIEXPORT jlong JVM_MaxMemory(void) { 320a0cf5a663f19f0392187d349f1832d85f90ab805Narayan Kamath return art::Runtime::Current()->GetHeap()->GetMaxMemory(); 321df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski} 322df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski 323df0b17a474306198b7b0320311496e42d707a00ePiotr JastrzebskiJNIEXPORT void JVM_GC(void) { 324a0cf5a663f19f0392187d349f1832d85f90ab805Narayan Kamath if (art::Runtime::Current()->IsExplicitGcDisabled()) { 325a0cf5a663f19f0392187d349f1832d85f90ab805Narayan Kamath LOG(INFO) << "Explicit GC skipped."; 326a0cf5a663f19f0392187d349f1832d85f90ab805Narayan Kamath return; 327a0cf5a663f19f0392187d349f1832d85f90ab805Narayan Kamath } 328a0cf5a663f19f0392187d349f1832d85f90ab805Narayan Kamath art::Runtime::Current()->GetHeap()->CollectGarbage(false); 329df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski} 330df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski 3316c0ea2799f7dc8b8763c07a6e94c23590f6b54b5Przemyslaw SzczepaniakJNIEXPORT __attribute__((noreturn)) void JVM_Exit(jint status) { 332df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski LOG(INFO) << "System.exit called, status: " << status; 333df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski art::Runtime::Current()->CallExitHook(status); 334df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski exit(status); 335df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski} 336df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski 337df0b17a474306198b7b0320311496e42d707a00ePiotr JastrzebskiJNIEXPORT jstring JVM_NativeLoad(JNIEnv* env, jstring javaFilename, jobject javaLoader, 338df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski jstring javaLdLibraryPath) { 339df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski ScopedUtfChars filename(env, javaFilename); 340df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski if (filename.c_str() == NULL) { 341df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski return NULL; 342df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski } 343df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski 344df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski if (javaLdLibraryPath != NULL) { 345df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski ScopedUtfChars ldLibraryPath(env, javaLdLibraryPath); 346df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski if (ldLibraryPath.c_str() == NULL) { 347df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski return NULL; 348df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski } 349df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski void* sym = dlsym(RTLD_DEFAULT, "android_update_LD_LIBRARY_PATH"); 350df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski if (sym != NULL) { 351df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski typedef void (*Fn)(const char*); 352df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski Fn android_update_LD_LIBRARY_PATH = reinterpret_cast<Fn>(sym); 353df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski (*android_update_LD_LIBRARY_PATH)(ldLibraryPath.c_str()); 354df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski } else { 355df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski LOG(ERROR) << "android_update_LD_LIBRARY_PATH not found; .so dependencies will not work!"; 356df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski } 357df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski } 358df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski 359df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski std::string detail; 360df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski { 361df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski art::ScopedObjectAccess soa(env); 362df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski art::StackHandleScope<1> hs(soa.Self()); 363df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski art::JavaVMExt* vm = art::Runtime::Current()->GetJavaVM(); 364d1ef4362bf799f9f5d50e5edef8433664b503051Narayan Kamath bool success = vm->LoadNativeLibrary(env, filename.c_str(), javaLoader, &detail); 365df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski if (success) { 366df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski return nullptr; 367df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski } 368df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski } 369df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski 370df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski // Don't let a pending exception from JNI_OnLoad cause a CheckJNI issue with NewStringUTF. 371df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski env->ExceptionClear(); 372df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski return env->NewStringUTF(detail.c_str()); 373df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski} 374df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski 375df0b17a474306198b7b0320311496e42d707a00ePiotr JastrzebskiJNIEXPORT void JVM_StartThread(JNIEnv* env, jobject jthread, jlong stack_size, jboolean daemon) { 376df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski art::Thread::CreateNativeThread(env, jthread, stack_size, daemon == JNI_TRUE); 377df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski} 378df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski 379df0b17a474306198b7b0320311496e42d707a00ePiotr JastrzebskiJNIEXPORT void JVM_SetThreadPriority(JNIEnv* env, jobject jthread, jint prio) { 380df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski art::ScopedObjectAccess soa(env); 381df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski art::MutexLock mu(soa.Self(), *art::Locks::thread_list_lock_); 382df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski art::Thread* thread = art::Thread::FromManagedThread(soa, jthread); 383df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski if (thread != NULL) { 384df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski thread->SetNativePriority(prio); 385df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski } 386df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski} 387df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski 3886c0ea2799f7dc8b8763c07a6e94c23590f6b54b5Przemyslaw SzczepaniakJNIEXPORT void JVM_Yield(JNIEnv* env ATTRIBUTE_UNUSED, jclass threadClass ATTRIBUTE_UNUSED) { 389df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski sched_yield(); 390df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski} 391df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski 3926c0ea2799f7dc8b8763c07a6e94c23590f6b54b5Przemyslaw SzczepaniakJNIEXPORT void JVM_Sleep(JNIEnv* env, jclass threadClass ATTRIBUTE_UNUSED, 3936c0ea2799f7dc8b8763c07a6e94c23590f6b54b5Przemyslaw Szczepaniak jobject java_lock, jlong millis) { 394df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski art::ScopedFastNativeObjectAccess soa(env); 395df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski art::mirror::Object* lock = soa.Decode<art::mirror::Object*>(java_lock); 396df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski art::Monitor::Wait(art::Thread::Current(), lock, millis, 0, true, art::kSleeping); 397df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski} 398df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski 3996c0ea2799f7dc8b8763c07a6e94c23590f6b54b5Przemyslaw SzczepaniakJNIEXPORT jobject JVM_CurrentThread(JNIEnv* env, jclass unused ATTRIBUTE_UNUSED) { 400df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski art::ScopedFastNativeObjectAccess soa(env); 401df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski return soa.AddLocalReference<jobject>(soa.Self()->GetPeer()); 402df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski} 403df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski 404df0b17a474306198b7b0320311496e42d707a00ePiotr JastrzebskiJNIEXPORT void JVM_Interrupt(JNIEnv* env, jobject jthread) { 405df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski art::ScopedFastNativeObjectAccess soa(env); 406df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski art::MutexLock mu(soa.Self(), *art::Locks::thread_list_lock_); 407df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski art::Thread* thread = art::Thread::FromManagedThread(soa, jthread); 408df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski if (thread != nullptr) { 409df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski thread->Interrupt(soa.Self()); 410df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski } 411df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski} 412df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski 413df0b17a474306198b7b0320311496e42d707a00ePiotr JastrzebskiJNIEXPORT jboolean JVM_IsInterrupted(JNIEnv* env, jobject jthread, jboolean clearInterrupted) { 414df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski if (clearInterrupted) { 415df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski return static_cast<art::JNIEnvExt*>(env)->self->Interrupted() ? JNI_TRUE : JNI_FALSE; 416df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski } else { 417df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski art::ScopedFastNativeObjectAccess soa(env); 418df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski art::MutexLock mu(soa.Self(), *art::Locks::thread_list_lock_); 419df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski art::Thread* thread = art::Thread::FromManagedThread(soa, jthread); 420df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski return (thread != nullptr) ? thread->IsInterrupted() : JNI_FALSE; 421df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski } 422df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski} 423df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski 4246c0ea2799f7dc8b8763c07a6e94c23590f6b54b5Przemyslaw SzczepaniakJNIEXPORT jboolean JVM_HoldsLock(JNIEnv* env, jclass unused ATTRIBUTE_UNUSED, jobject jobj) { 425df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski art::ScopedObjectAccess soa(env); 426df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski art::mirror::Object* object = soa.Decode<art::mirror::Object*>(jobj); 427df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski if (object == NULL) { 428d1ef4362bf799f9f5d50e5edef8433664b503051Narayan Kamath art::ThrowNullPointerException("object == null"); 429df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski return JNI_FALSE; 430df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski } 431df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski return soa.Self()->HoldsLock(object); 432df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski} 433df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski 434df0b17a474306198b7b0320311496e42d707a00ePiotr JastrzebskiJNIEXPORT void JVM_SetNativeThreadName(JNIEnv* env, jobject jthread, jstring java_name) { 435df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski ScopedUtfChars name(env, java_name); 436df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski { 437df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski art::ScopedObjectAccess soa(env); 438df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski if (soa.Decode<art::mirror::Object*>(jthread) == soa.Self()->GetPeer()) { 439df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski soa.Self()->SetThreadName(name.c_str()); 440df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski return; 441df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski } 442df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski } 443df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski // Suspend thread to avoid it from killing itself while we set its name. We don't just hold the 444df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski // thread list lock to avoid this, as setting the thread name causes mutator to lock/unlock 445df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski // in the DDMS send code. 446df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski art::ThreadList* thread_list = art::Runtime::Current()->GetThreadList(); 447df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski bool timed_out; 448df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski // Take suspend thread lock to avoid races with threads trying to suspend this one. 449df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski art::Thread* thread; 450df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski { 451df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski thread = thread_list->SuspendThreadByPeer(jthread, true, false, &timed_out); 452df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski } 453df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski if (thread != NULL) { 454df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski { 455df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski art::ScopedObjectAccess soa(env); 456df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski thread->SetThreadName(name.c_str()); 457df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski } 458df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski thread_list->Resume(thread, false); 459df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski } else if (timed_out) { 460df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski LOG(ERROR) << "Trying to set thread name to '" << name.c_str() << "' failed as the thread " 461df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski "failed to suspend within a generous timeout."; 462df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski } 463df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski} 464df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski 465df0b17a474306198b7b0320311496e42d707a00ePiotr JastrzebskiJNIEXPORT jint JVM_IHashCode(JNIEnv* env, jobject javaObject) { 466df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski if (UNLIKELY(javaObject == nullptr)) { 467df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski return 0; 468df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski } 469df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski art::ScopedFastNativeObjectAccess soa(env); 470df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski art::mirror::Object* o = soa.Decode<art::mirror::Object*>(javaObject); 471df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski return static_cast<jint>(o->IdentityHashCode()); 472df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski} 473df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski 4746c0ea2799f7dc8b8763c07a6e94c23590f6b54b5Przemyslaw SzczepaniakJNIEXPORT jlong JVM_NanoTime(JNIEnv* env ATTRIBUTE_UNUSED, jclass unused ATTRIBUTE_UNUSED) { 475df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski#if defined(HAVE_POSIX_CLOCKS) 476df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski timespec now; 477df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski clock_gettime(CLOCK_MONOTONIC, &now); 478df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski return now.tv_sec * 1000000000LL + now.tv_nsec; 479df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski#else 480df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski timeval now; 481df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski gettimeofday(&now, NULL); 482df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski return static_cast<jlong>(now.tv_sec) * 1000000000LL + now.tv_usec * 1000LL; 483df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski#endif 484df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski} 485df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebskistatic void ThrowArrayStoreException_NotAnArray(const char* identifier, art::mirror::Object* array) 486df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski SHARED_LOCKS_REQUIRED(art::Locks::mutator_lock_) { 487df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski std::string actualType(art::PrettyTypeOf(array)); 488df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski art::Thread* self = art::Thread::Current(); 489d1ef4362bf799f9f5d50e5edef8433664b503051Narayan Kamath self->ThrowNewExceptionF("Ljava/lang/ArrayStoreException;", 490df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski "%s of type %s is not an array", identifier, actualType.c_str()); 491df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski} 492df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski 4936c0ea2799f7dc8b8763c07a6e94c23590f6b54b5Przemyslaw SzczepaniakJNIEXPORT void JVM_ArrayCopy(JNIEnv* env, jclass unused ATTRIBUTE_UNUSED, jobject javaSrc, 494df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski jint srcPos, jobject javaDst, jint dstPos, jint length) { 495df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski // The API is defined in terms of length, but length is somewhat overloaded so we use count. 496df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski const jint count = length; 497df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski art::ScopedFastNativeObjectAccess soa(env); 498df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski 499df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski // Null pointer checks. 500df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski if (UNLIKELY(javaSrc == nullptr)) { 501d1ef4362bf799f9f5d50e5edef8433664b503051Narayan Kamath art::ThrowNullPointerException("src == null"); 502df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski return; 503df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski } 504df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski if (UNLIKELY(javaDst == nullptr)) { 505d1ef4362bf799f9f5d50e5edef8433664b503051Narayan Kamath art::ThrowNullPointerException("dst == null"); 506df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski return; 507df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski } 508df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski 509df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski // Make sure source and destination are both arrays. 510df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski art::mirror::Object* srcObject = soa.Decode<art::mirror::Object*>(javaSrc); 511df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski if (UNLIKELY(!srcObject->IsArrayInstance())) { 512df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski ThrowArrayStoreException_NotAnArray("source", srcObject); 513df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski return; 514df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski } 515df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski art::mirror::Object* dstObject = soa.Decode<art::mirror::Object*>(javaDst); 516df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski if (UNLIKELY(!dstObject->IsArrayInstance())) { 517df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski ThrowArrayStoreException_NotAnArray("destination", dstObject); 518df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski return; 519df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski } 520df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski art::mirror::Array* srcArray = srcObject->AsArray(); 521df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski art::mirror::Array* dstArray = dstObject->AsArray(); 522df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski 523df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski // Bounds checking. 524df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski if (UNLIKELY(srcPos < 0) || UNLIKELY(dstPos < 0) || UNLIKELY(count < 0) || 525df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski UNLIKELY(srcPos > srcArray->GetLength() - count) || 526df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski UNLIKELY(dstPos > dstArray->GetLength() - count)) { 527d1ef4362bf799f9f5d50e5edef8433664b503051Narayan Kamath soa.Self()->ThrowNewExceptionF("Ljava/lang/ArrayIndexOutOfBoundsException;", 528df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski "src.length=%d srcPos=%d dst.length=%d dstPos=%d length=%d", 529df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski srcArray->GetLength(), srcPos, dstArray->GetLength(), dstPos, 530df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski count); 531df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski return; 532df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski } 533df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski 534df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski art::mirror::Class* dstComponentType = dstArray->GetClass()->GetComponentType(); 535df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski art::mirror::Class* srcComponentType = srcArray->GetClass()->GetComponentType(); 536df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski art::Primitive::Type dstComponentPrimitiveType = dstComponentType->GetPrimitiveType(); 537df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski 538df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski if (LIKELY(srcComponentType == dstComponentType)) { 539df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski // Trivial assignability. 540df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski switch (dstComponentPrimitiveType) { 541df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski case art::Primitive::kPrimVoid: 542df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski LOG(FATAL) << "Unreachable, cannot have arrays of type void"; 543df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski return; 544df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski case art::Primitive::kPrimBoolean: 545df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski case art::Primitive::kPrimByte: 546df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski DCHECK_EQ(art::Primitive::ComponentSize(dstComponentPrimitiveType), 1U); 547df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski dstArray->AsByteSizedArray()->Memmove(dstPos, srcArray->AsByteSizedArray(), srcPos, count); 548df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski return; 549df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski case art::Primitive::kPrimChar: 550df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski case art::Primitive::kPrimShort: 551df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski DCHECK_EQ(art::Primitive::ComponentSize(dstComponentPrimitiveType), 2U); 552df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski dstArray->AsShortSizedArray()->Memmove(dstPos, srcArray->AsShortSizedArray(), srcPos, count); 553df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski return; 554df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski case art::Primitive::kPrimInt: 555df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski case art::Primitive::kPrimFloat: 556df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski DCHECK_EQ(art::Primitive::ComponentSize(dstComponentPrimitiveType), 4U); 557df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski dstArray->AsIntArray()->Memmove(dstPos, srcArray->AsIntArray(), srcPos, count); 558df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski return; 559df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski case art::Primitive::kPrimLong: 560df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski case art::Primitive::kPrimDouble: 561df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski DCHECK_EQ(art::Primitive::ComponentSize(dstComponentPrimitiveType), 8U); 562df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski dstArray->AsLongArray()->Memmove(dstPos, srcArray->AsLongArray(), srcPos, count); 563df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski return; 564df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski case art::Primitive::kPrimNot: { 565df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski art::mirror::ObjectArray<art::mirror::Object>* dstObjArray = dstArray->AsObjectArray<art::mirror::Object>(); 566df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski art::mirror::ObjectArray<art::mirror::Object>* srcObjArray = srcArray->AsObjectArray<art::mirror::Object>(); 567df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski dstObjArray->AssignableMemmove(dstPos, srcObjArray, srcPos, count); 568df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski return; 569df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski } 570df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski default: 571df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski LOG(FATAL) << "Unknown array type: " << art::PrettyTypeOf(srcArray); 572df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski return; 573df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski } 574df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski } 575df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski // If one of the arrays holds a primitive type the other array must hold the exact same type. 576df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski if (UNLIKELY((dstComponentPrimitiveType != art::Primitive::kPrimNot) || 577df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski srcComponentType->IsPrimitive())) { 578df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski std::string srcType(art::PrettyTypeOf(srcArray)); 579df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski std::string dstType(art::PrettyTypeOf(dstArray)); 580d1ef4362bf799f9f5d50e5edef8433664b503051Narayan Kamath soa.Self()->ThrowNewExceptionF("Ljava/lang/ArrayStoreException;", 581df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski "Incompatible types: src=%s, dst=%s", 582df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski srcType.c_str(), dstType.c_str()); 583df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski return; 584df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski } 585df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski // Arrays hold distinct types and so therefore can't alias - use memcpy instead of memmove. 586df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski art::mirror::ObjectArray<art::mirror::Object>* dstObjArray = dstArray->AsObjectArray<art::mirror::Object>(); 587df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski art::mirror::ObjectArray<art::mirror::Object>* srcObjArray = srcArray->AsObjectArray<art::mirror::Object>(); 588df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski // If we're assigning into say Object[] then we don't need per element checks. 589df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski if (dstComponentType->IsAssignableFrom(srcComponentType)) { 590df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski dstObjArray->AssignableMemcpy(dstPos, srcObjArray, srcPos, count); 591df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski return; 592df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski } 593df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski dstObjArray->AssignableCheckingMemcpy(dstPos, srcObjArray, srcPos, count, true); 594df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski} 595df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski 5966c0ea2799f7dc8b8763c07a6e94c23590f6b54b5Przemyslaw SzczepaniakJNIEXPORT jint JVM_FindSignal(const char* name ATTRIBUTE_UNUSED) { 59736379fdf339a85cd89d12506d97ecdf582041b16Narayan Kamath LOG(FATAL) << "JVM_FindSignal is not implemented"; 59836379fdf339a85cd89d12506d97ecdf582041b16Narayan Kamath return 0; 599df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski} 600df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski 6016c0ea2799f7dc8b8763c07a6e94c23590f6b54b5Przemyslaw SzczepaniakJNIEXPORT void* JVM_RegisterSignal(jint signum ATTRIBUTE_UNUSED, void* handler ATTRIBUTE_UNUSED) { 60236379fdf339a85cd89d12506d97ecdf582041b16Narayan Kamath LOG(FATAL) << "JVM_RegisterSignal is not implemented"; 60336379fdf339a85cd89d12506d97ecdf582041b16Narayan Kamath return nullptr; 604df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski} 605df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski 6066c0ea2799f7dc8b8763c07a6e94c23590f6b54b5Przemyslaw SzczepaniakJNIEXPORT jboolean JVM_RaiseSignal(jint signum ATTRIBUTE_UNUSED) { 60736379fdf339a85cd89d12506d97ecdf582041b16Narayan Kamath LOG(FATAL) << "JVM_RaiseSignal is not implemented"; 60836379fdf339a85cd89d12506d97ecdf582041b16Narayan Kamath return JNI_FALSE; 609df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski} 610df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski 6116c0ea2799f7dc8b8763c07a6e94c23590f6b54b5Przemyslaw SzczepaniakJNIEXPORT __attribute__((noreturn)) void JVM_Halt(jint code) { 612df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski exit(code); 613df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski} 614b02d9b7329909cbf741b16faf81616a992a1bd2bPrzemyslaw Szczepaniak 615b02d9b7329909cbf741b16faf81616a992a1bd2bPrzemyslaw SzczepaniakJNIEXPORT jboolean JVM_IsNaN(jdouble d) { 616b02d9b7329909cbf741b16faf81616a992a1bd2bPrzemyslaw Szczepaniak return isnan(d); 617b02d9b7329909cbf741b16faf81616a992a1bd2bPrzemyslaw Szczepaniak} 618