OpenjdkJvm.cc revision a0cf5a663f19f0392187d349f1832d85f90ab805
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 49df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski/* posix open() with extensions; used by e.g. ZipFile */ 50a0cf5a663f19f0392187d349f1832d85f90ab805Narayan KamathJNIEXPORT jint JVM_Open(const char* fname, jint flags, jint mode) { 51df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski LOG(DEBUG) << "JVM_Open fname='" << fname << "', flags=" << flags << ", mode=" << mode; 52df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski 53df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski /* 54df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski * The call is expected to handle JVM_O_DELETE, which causes the file 55df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski * to be removed after it is opened. Also, some code seems to 56df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski * want the special return value JVM_EEXIST if the file open fails 57df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski * due to O_EXCL. 58df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski */ 59df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski int fd = TEMP_FAILURE_RETRY(open(fname, flags & ~JVM_O_DELETE, mode)); 60df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski if (fd < 0) { 61df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski int err = errno; 62df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski LOG(DEBUG) << "open(" << fname << ") failed: " << strerror(errno); 63df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski if (err == EEXIST) { 64df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski return JVM_EEXIST; 65df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski } else { 66df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski return -1; 67df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski } 68df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski } 69df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski 70df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski if (flags & JVM_O_DELETE) { 71df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski LOG(DEBUG) << "Deleting '" << fname << "' after open\n"; 72df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski if (unlink(fname) != 0) { 73df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski LOG(WARNING) << "Post-open deletion of '" << fname << "' failed: " << strerror(errno); 74df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski } 75df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski /* ignore */ 76df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski } 77df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski 78df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski LOG(VERBOSE) << "open(" << fname << ") --> " << fd; 79df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski return fd; 80df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski} 81df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski 82df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski/* posix close() */ 83a0cf5a663f19f0392187d349f1832d85f90ab805Narayan KamathJNIEXPORT jint JVM_Close(jint fd) { 84df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski LOG(DEBUG) << "JVM_Close fd=" << fd; 85df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski // don't want TEMP_FAILURE_RETRY here -- file is closed even if EINTR 86df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski return close(fd); 87df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski} 88df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski 89df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski/* posix read() */ 90a0cf5a663f19f0392187d349f1832d85f90ab805Narayan KamathJNIEXPORT jint JVM_Read(jint fd, char* buf, jint nbytes) { 91df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski LOG(DEBUG) << "JVM_Read fd=" << fd << ", buf='" << buf << "', nbytes=" << nbytes; 92df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski return TEMP_FAILURE_RETRY(read(fd, buf, nbytes)); 93df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski} 94df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski 95df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski/* posix write(); is used to write messages to stderr */ 96a0cf5a663f19f0392187d349f1832d85f90ab805Narayan KamathJNIEXPORT jint JVM_Write(jint fd, char* buf, jint nbytes) { 97df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski LOG(DEBUG) << "JVM_Write fd=" << fd << ", buf='" << buf << "', nbytes=" << nbytes; 98df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski return TEMP_FAILURE_RETRY(write(fd, buf, nbytes)); 99df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski} 100df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski 101df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski/* posix lseek() */ 102a0cf5a663f19f0392187d349f1832d85f90ab805Narayan KamathJNIEXPORT jlong JVM_Lseek(jint fd, jlong offset, jint whence) { 103df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski LOG(DEBUG) << "JVM_Lseek fd=" << fd << ", offset=" << offset << ", whence=" << whence; 104df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski return TEMP_FAILURE_RETRY(lseek(fd, offset, whence)); 105df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski} 106a0cf5a663f19f0392187d349f1832d85f90ab805Narayan Kamath 107df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski/* 108df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski * "raw monitors" seem to be expected to behave like non-recursive pthread 109df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski * mutexes. They're used by ZipFile. 110df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski */ 111a0cf5a663f19f0392187d349f1832d85f90ab805Narayan KamathJNIEXPORT void* JVM_RawMonitorCreate(void) { 112df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski LOG(DEBUG) << "JVM_RawMonitorCreate"; 113df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski pthread_mutex_t* newMutex = 114a0cf5a663f19f0392187d349f1832d85f90ab805Narayan Kamath reinterpret_cast<pthread_mutex_t*>(malloc(sizeof(pthread_mutex_t))); 115df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski pthread_mutex_init(newMutex, NULL); 116df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski return newMutex; 117df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski} 118df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski 119a0cf5a663f19f0392187d349f1832d85f90ab805Narayan KamathJNIEXPORT void JVM_RawMonitorDestroy(void* mon) { 120df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski LOG(DEBUG) << "JVM_RawMonitorDestroy mon=" << mon; 121a0cf5a663f19f0392187d349f1832d85f90ab805Narayan Kamath pthread_mutex_destroy(reinterpret_cast<pthread_mutex_t*>(mon)); 122df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski} 123df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski 124a0cf5a663f19f0392187d349f1832d85f90ab805Narayan KamathJNIEXPORT jint JVM_RawMonitorEnter(void* mon) { 125df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski LOG(DEBUG) << "JVM_RawMonitorEnter mon=" << mon; 126a0cf5a663f19f0392187d349f1832d85f90ab805Narayan Kamath return pthread_mutex_lock(reinterpret_cast<pthread_mutex_t*>(mon)); 127df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski} 128df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski 129a0cf5a663f19f0392187d349f1832d85f90ab805Narayan KamathJNIEXPORT void JVM_RawMonitorExit(void* mon) { 130df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski LOG(DEBUG) << "JVM_RawMonitorExit mon=" << mon; 131a0cf5a663f19f0392187d349f1832d85f90ab805Narayan Kamath pthread_mutex_unlock(reinterpret_cast<pthread_mutex_t*>(mon)); 132df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski} 133df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski 134a0cf5a663f19f0392187d349f1832d85f90ab805Narayan KamathJNIEXPORT char* JVM_NativePath(char* path) { 135df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski LOG(DEBUG) << "JVM_NativePath path='" << path << "'"; 136df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski return path; 137df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski} 138df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski 139a0cf5a663f19f0392187d349f1832d85f90ab805Narayan KamathJNIEXPORT jint JVM_GetLastErrorString(char* buf, int len) { 140df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski int err = errno; // grab before JVM_TRACE can trash it 141df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski LOG(DEBUG) << "JVM_GetLastErrorString buf=" << buf << ", len=" << len; 142df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski 143df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski#ifdef __GLIBC__ 144df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski if (len == 0) 145df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski return 0; 146df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski 147df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski char* result = strerror_r(err, buf, len); 148df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski if (result != buf) { 149df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski strncpy(buf, result, len); 150df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski buf[len-1] = '\0'; 151df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski } 152df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski return strlen(buf); 153df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski#else 154df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski return strerror_r(err, buf, len); 155df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski#endif 156df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski} 157df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski 158a0cf5a663f19f0392187d349f1832d85f90ab805Narayan KamathJNIEXPORT int jio_fprintf(FILE* fp, const char* fmt, ...) { 159df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski va_list args; 160df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski 161df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski va_start(args, fmt); 162df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski int len = jio_vfprintf(fp, fmt, args); 163df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski va_end(args); 164df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski 165df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski return len; 166df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski} 167df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski 168a0cf5a663f19f0392187d349f1832d85f90ab805Narayan KamathJNIEXPORT int jio_vfprintf(FILE* fp, const char* fmt, va_list args) { 169df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski assert(fp != NULL); 170df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski return vfprintf(fp, fmt, args); 171df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski} 172df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski 173df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski/* posix fsync() */ 174a0cf5a663f19f0392187d349f1832d85f90ab805Narayan KamathJNIEXPORT jint JVM_Sync(jint fd) { 175df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski LOG(DEBUG) << "JVM_Sync fd=" << fd; 176df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski return TEMP_FAILURE_RETRY(fsync(fd)); 177df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski} 178df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski 179a0cf5a663f19f0392187d349f1832d85f90ab805Narayan KamathJNIEXPORT void* JVM_FindLibraryEntry(void* handle, const char* name) { 180df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski LOG(DEBUG) << "JVM_FindLibraryEntry handle=" << handle << " name=" << name; 18167d39adad3261f3932defef6b2d1d30b470d1be0Przemyslaw Szczepaniak return dlsym(handle, name); 182df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski} 183df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski 184a0cf5a663f19f0392187d349f1832d85f90ab805Narayan KamathJNIEXPORT jlong JVM_CurrentTimeMillis(JNIEnv* env, jclass unused) { 185df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski LOG(DEBUG) << "JVM_CurrentTimeMillis env=" << env; 186df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski struct timeval tv; 187df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski 188df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski gettimeofday(&tv, (struct timezone *) NULL); 189df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski jlong when = tv.tv_sec * 1000LL + tv.tv_usec / 1000; 190df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski return when; 191df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski} 192df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski 193a0cf5a663f19f0392187d349f1832d85f90ab805Narayan KamathJNIEXPORT jint JVM_Socket(jint domain, jint type, jint protocol) { 194df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski LOG(DEBUG) << "JVM_Socket domain=" << domain << ", type=" << type << ", protocol=" << protocol; 195df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski 196df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski return TEMP_FAILURE_RETRY(socket(domain, type, protocol)); 197df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski} 198df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski 199df0b17a474306198b7b0320311496e42d707a00ePiotr JastrzebskiJNIEXPORT jint JVM_InitializeSocketLibrary() { 200df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski return 0; 201df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski} 202df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski 203df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebskiint jio_vsnprintf(char *str, size_t count, const char *fmt, va_list args) { 204a0cf5a663f19f0392187d349f1832d85f90ab805Narayan Kamath if ((intptr_t)count <= 0) return -1; 205a0cf5a663f19f0392187d349f1832d85f90ab805Narayan Kamath return vsnprintf(str, count, fmt, args); 206df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski} 207df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski 208df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebskiint jio_snprintf(char *str, size_t count, const char *fmt, ...) { 209a0cf5a663f19f0392187d349f1832d85f90ab805Narayan Kamath va_list args; 210a0cf5a663f19f0392187d349f1832d85f90ab805Narayan Kamath int len; 211a0cf5a663f19f0392187d349f1832d85f90ab805Narayan Kamath va_start(args, fmt); 212a0cf5a663f19f0392187d349f1832d85f90ab805Narayan Kamath len = jio_vsnprintf(str, count, fmt, args); 213a0cf5a663f19f0392187d349f1832d85f90ab805Narayan Kamath va_end(args); 214a0cf5a663f19f0392187d349f1832d85f90ab805Narayan Kamath return len; 215df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski} 216df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski 217df0b17a474306198b7b0320311496e42d707a00ePiotr JastrzebskiJNIEXPORT jint JVM_SetSockOpt(jint fd, int level, int optname, 218a0cf5a663f19f0392187d349f1832d85f90ab805Narayan Kamath const char* optval, int optlen) { 219a0cf5a663f19f0392187d349f1832d85f90ab805Narayan Kamath LOG(DEBUG) << "JVM_SetSockOpt fd=" << fd << ", level=" << level << ", optname=" << optname 220a0cf5a663f19f0392187d349f1832d85f90ab805Narayan Kamath << ", optval=" << optval << ", optlen=" << optlen; 221a0cf5a663f19f0392187d349f1832d85f90ab805Narayan Kamath return TEMP_FAILURE_RETRY(setsockopt(fd, level, optname, optval, optlen)); 222df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski} 223df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski 224a0cf5a663f19f0392187d349f1832d85f90ab805Narayan KamathJNIEXPORT jint JVM_SocketShutdown(jint fd, jint howto) { 225a0cf5a663f19f0392187d349f1832d85f90ab805Narayan Kamath LOG(DEBUG) << "JVM_SocketShutdown fd=" << fd << ", howto=" << howto; 226a0cf5a663f19f0392187d349f1832d85f90ab805Narayan Kamath return TEMP_FAILURE_RETRY(shutdown(fd, howto)); 227df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski} 228df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski 229df0b17a474306198b7b0320311496e42d707a00ePiotr JastrzebskiJNIEXPORT jint JVM_GetSockOpt(jint fd, int level, int optname, char* optval, 230a0cf5a663f19f0392187d349f1832d85f90ab805Narayan Kamath int* optlen) { 231a0cf5a663f19f0392187d349f1832d85f90ab805Narayan Kamath LOG(DEBUG) << "JVM_GetSockOpt fd=" << fd << ", level=" << level << ", optname=" << optname 232a0cf5a663f19f0392187d349f1832d85f90ab805Narayan Kamath << ", optval=" << optval << ", optlen=" << optlen; 233df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski 234a0cf5a663f19f0392187d349f1832d85f90ab805Narayan Kamath socklen_t len = *optlen; 235a0cf5a663f19f0392187d349f1832d85f90ab805Narayan Kamath int cc = TEMP_FAILURE_RETRY(getsockopt(fd, level, optname, optval, &len)); 236a0cf5a663f19f0392187d349f1832d85f90ab805Narayan Kamath *optlen = len; 237a0cf5a663f19f0392187d349f1832d85f90ab805Narayan Kamath return cc; 238df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski} 239df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski 240a0cf5a663f19f0392187d349f1832d85f90ab805Narayan KamathJNIEXPORT jint JVM_GetSockName(jint fd, struct sockaddr* addr, int* addrlen) { 241a0cf5a663f19f0392187d349f1832d85f90ab805Narayan Kamath LOG(DEBUG) << "JVM_GetSockName fd=" << fd << ", addr=" << addr << ", addrlen=" << addrlen; 242df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski 243a0cf5a663f19f0392187d349f1832d85f90ab805Narayan Kamath socklen_t len = *addrlen; 244a0cf5a663f19f0392187d349f1832d85f90ab805Narayan Kamath int cc = TEMP_FAILURE_RETRY(getsockname(fd, addr, &len)); 245a0cf5a663f19f0392187d349f1832d85f90ab805Narayan Kamath *addrlen = len; 246a0cf5a663f19f0392187d349f1832d85f90ab805Narayan Kamath return cc; 247df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski} 248df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski 249a0cf5a663f19f0392187d349f1832d85f90ab805Narayan KamathJNIEXPORT jint JVM_SocketAvailable(jint fd, jint* result) { 250a0cf5a663f19f0392187d349f1832d85f90ab805Narayan Kamath LOG(DEBUG) << "JVM_SocketAvailable fd=" << fd << ", result=" << result; 251df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski 252a0cf5a663f19f0392187d349f1832d85f90ab805Narayan Kamath if (TEMP_FAILURE_RETRY(ioctl(fd, FIONREAD, result)) < 0) { 253a0cf5a663f19f0392187d349f1832d85f90ab805Narayan Kamath LOG(DEBUG) << "ioctl(" << fd << ", FIONREAD) failed: " << strerror(errno); 254a0cf5a663f19f0392187d349f1832d85f90ab805Narayan Kamath return JNI_FALSE; 255a0cf5a663f19f0392187d349f1832d85f90ab805Narayan Kamath } 256df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski 257a0cf5a663f19f0392187d349f1832d85f90ab805Narayan Kamath return JNI_TRUE; 258df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski} 259df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski 260a0cf5a663f19f0392187d349f1832d85f90ab805Narayan KamathJNIEXPORT jint JVM_Send(jint fd, char* buf, jint nBytes, jint flags) { 261a0cf5a663f19f0392187d349f1832d85f90ab805Narayan Kamath LOG(DEBUG) << "JVM_Send fd=" << fd << ", buf=" << buf << ", nBytes=" 262a0cf5a663f19f0392187d349f1832d85f90ab805Narayan Kamath << nBytes << ", flags=" << flags; 263df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski 264a0cf5a663f19f0392187d349f1832d85f90ab805Narayan Kamath return TEMP_FAILURE_RETRY(send(fd, buf, nBytes, flags)); 265df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski} 266df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski 267a0cf5a663f19f0392187d349f1832d85f90ab805Narayan KamathJNIEXPORT jint JVM_SocketClose(jint fd) { 268a0cf5a663f19f0392187d349f1832d85f90ab805Narayan Kamath LOG(DEBUG) << "JVM_SocketClose fd=" << fd; 269df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski 270df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski // don't want TEMP_FAILURE_RETRY here -- file is closed even if EINTR 271a0cf5a663f19f0392187d349f1832d85f90ab805Narayan Kamath return close(fd); 272df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski} 273df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski 274a0cf5a663f19f0392187d349f1832d85f90ab805Narayan KamathJNIEXPORT jint JVM_Listen(jint fd, jint count) { 275a0cf5a663f19f0392187d349f1832d85f90ab805Narayan Kamath LOG(DEBUG) << "JVM_Listen fd=" << fd << ", count=" << count; 276df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski 277a0cf5a663f19f0392187d349f1832d85f90ab805Narayan Kamath return TEMP_FAILURE_RETRY(listen(fd, count)); 278df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski} 279df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski 280a0cf5a663f19f0392187d349f1832d85f90ab805Narayan KamathJNIEXPORT jint JVM_Connect(jint fd, struct sockaddr* addr, jint addrlen) { 281a0cf5a663f19f0392187d349f1832d85f90ab805Narayan Kamath LOG(DEBUG) << "JVM_Connect fd=" << fd << ", addr=" << addr << ", addrlen=" << addrlen; 282df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski 283a0cf5a663f19f0392187d349f1832d85f90ab805Narayan Kamath return TEMP_FAILURE_RETRY(connect(fd, addr, addrlen)); 284df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski} 285df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski 286a0cf5a663f19f0392187d349f1832d85f90ab805Narayan KamathJNIEXPORT int JVM_GetHostName(char* name, int namelen) { 287a0cf5a663f19f0392187d349f1832d85f90ab805Narayan Kamath LOG(DEBUG) << "JVM_GetHostName name=" << name << ", namelen=" << namelen; 288df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski 289a0cf5a663f19f0392187d349f1832d85f90ab805Narayan Kamath return TEMP_FAILURE_RETRY(gethostname(name, namelen)); 290df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski} 291df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski 292a0cf5a663f19f0392187d349f1832d85f90ab805Narayan KamathJNIEXPORT jstring JVM_InternString(JNIEnv* env, jstring jstr) { 293a0cf5a663f19f0392187d349f1832d85f90ab805Narayan Kamath LOG(DEBUG) << "JVM_InternString env=" << env << ", jstr=" << jstr; 294a0cf5a663f19f0392187d349f1832d85f90ab805Narayan Kamath art::ScopedFastNativeObjectAccess soa(env); 295a0cf5a663f19f0392187d349f1832d85f90ab805Narayan Kamath art::mirror::String* s = soa.Decode<art::mirror::String*>(jstr); 296a0cf5a663f19f0392187d349f1832d85f90ab805Narayan Kamath art::mirror::String* result = s->Intern(); 297a0cf5a663f19f0392187d349f1832d85f90ab805Narayan Kamath return soa.AddLocalReference<jstring>(result); 298df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski} 299df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski 300df0b17a474306198b7b0320311496e42d707a00ePiotr JastrzebskiJNIEXPORT jlong JVM_FreeMemory(void) { 301a0cf5a663f19f0392187d349f1832d85f90ab805Narayan Kamath return art::Runtime::Current()->GetHeap()->GetFreeMemory(); 302df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski} 303df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski 304df0b17a474306198b7b0320311496e42d707a00ePiotr JastrzebskiJNIEXPORT jlong JVM_TotalMemory(void) { 305a0cf5a663f19f0392187d349f1832d85f90ab805Narayan Kamath return art::Runtime::Current()->GetHeap()->GetTotalMemory(); 306df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski} 307df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski 308df0b17a474306198b7b0320311496e42d707a00ePiotr JastrzebskiJNIEXPORT jlong JVM_MaxMemory(void) { 309a0cf5a663f19f0392187d349f1832d85f90ab805Narayan Kamath return art::Runtime::Current()->GetHeap()->GetMaxMemory(); 310df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski} 311df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski 312df0b17a474306198b7b0320311496e42d707a00ePiotr JastrzebskiJNIEXPORT void JVM_GC(void) { 313a0cf5a663f19f0392187d349f1832d85f90ab805Narayan Kamath if (art::Runtime::Current()->IsExplicitGcDisabled()) { 314a0cf5a663f19f0392187d349f1832d85f90ab805Narayan Kamath LOG(INFO) << "Explicit GC skipped."; 315a0cf5a663f19f0392187d349f1832d85f90ab805Narayan Kamath return; 316a0cf5a663f19f0392187d349f1832d85f90ab805Narayan Kamath } 317a0cf5a663f19f0392187d349f1832d85f90ab805Narayan Kamath art::Runtime::Current()->GetHeap()->CollectGarbage(false); 318df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski} 319df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski 320df0b17a474306198b7b0320311496e42d707a00ePiotr JastrzebskiJNIEXPORT void JVM_Exit(jint status) { 321df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski LOG(INFO) << "System.exit called, status: " << status; 322df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski art::Runtime::Current()->CallExitHook(status); 323df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski exit(status); 324df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski} 325df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski 326df0b17a474306198b7b0320311496e42d707a00ePiotr JastrzebskiJNIEXPORT jstring JVM_NativeLoad(JNIEnv* env, jstring javaFilename, jobject javaLoader, 327df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski jstring javaLdLibraryPath) { 328df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski ScopedUtfChars filename(env, javaFilename); 329df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski if (filename.c_str() == NULL) { 330df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski return NULL; 331df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski } 332df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski 333df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski if (javaLdLibraryPath != NULL) { 334df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski ScopedUtfChars ldLibraryPath(env, javaLdLibraryPath); 335df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski if (ldLibraryPath.c_str() == NULL) { 336df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski return NULL; 337df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski } 338df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski void* sym = dlsym(RTLD_DEFAULT, "android_update_LD_LIBRARY_PATH"); 339df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski if (sym != NULL) { 340df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski typedef void (*Fn)(const char*); 341df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski Fn android_update_LD_LIBRARY_PATH = reinterpret_cast<Fn>(sym); 342df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski (*android_update_LD_LIBRARY_PATH)(ldLibraryPath.c_str()); 343df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski } else { 344df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski LOG(ERROR) << "android_update_LD_LIBRARY_PATH not found; .so dependencies will not work!"; 345df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski } 346df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski } 347df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski 348df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski std::string detail; 349df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski { 350df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski art::ScopedObjectAccess soa(env); 351df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski art::StackHandleScope<1> hs(soa.Self()); 352df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski art::Handle<art::mirror::ClassLoader> classLoader( 353df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski hs.NewHandle(soa.Decode<art::mirror::ClassLoader*>(javaLoader))); 354df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski art::JavaVMExt* vm = art::Runtime::Current()->GetJavaVM(); 355df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski bool success = vm->LoadNativeLibrary(filename.c_str(), classLoader, &detail); 356df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski if (success) { 357df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski return nullptr; 358df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski } 359df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski } 360df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski 361df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski // Don't let a pending exception from JNI_OnLoad cause a CheckJNI issue with NewStringUTF. 362df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski env->ExceptionClear(); 363df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski return env->NewStringUTF(detail.c_str()); 364df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski} 365df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski 366df0b17a474306198b7b0320311496e42d707a00ePiotr JastrzebskiJNIEXPORT void JVM_StartThread(JNIEnv* env, jobject jthread, jlong stack_size, jboolean daemon) { 367df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski art::Thread::CreateNativeThread(env, jthread, stack_size, daemon == JNI_TRUE); 368df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski} 369df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski 370df0b17a474306198b7b0320311496e42d707a00ePiotr JastrzebskiJNIEXPORT void JVM_SetThreadPriority(JNIEnv* env, jobject jthread, jint prio) { 371df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski art::ScopedObjectAccess soa(env); 372df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski art::MutexLock mu(soa.Self(), *art::Locks::thread_list_lock_); 373df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski art::Thread* thread = art::Thread::FromManagedThread(soa, jthread); 374df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski if (thread != NULL) { 375df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski thread->SetNativePriority(prio); 376df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski } 377df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski} 378df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski 379df0b17a474306198b7b0320311496e42d707a00ePiotr JastrzebskiJNIEXPORT void JVM_Yield(JNIEnv* env, jclass threadClass) { 380df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski sched_yield(); 381df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski} 382df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski 383df0b17a474306198b7b0320311496e42d707a00ePiotr JastrzebskiJNIEXPORT void JVM_Sleep(JNIEnv* env, jclass threadClass, jobject java_lock, jlong millis) { 384df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski art::ScopedFastNativeObjectAccess soa(env); 385df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski art::mirror::Object* lock = soa.Decode<art::mirror::Object*>(java_lock); 386df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski art::Monitor::Wait(art::Thread::Current(), lock, millis, 0, true, art::kSleeping); 387df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski} 388df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski 389df0b17a474306198b7b0320311496e42d707a00ePiotr JastrzebskiJNIEXPORT jobject JVM_CurrentThread(JNIEnv* env, jclass unused) { 390df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski art::ScopedFastNativeObjectAccess soa(env); 391df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski return soa.AddLocalReference<jobject>(soa.Self()->GetPeer()); 392df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski} 393df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski 394df0b17a474306198b7b0320311496e42d707a00ePiotr JastrzebskiJNIEXPORT void JVM_Interrupt(JNIEnv* env, jobject jthread) { 395df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski art::ScopedFastNativeObjectAccess soa(env); 396df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski art::MutexLock mu(soa.Self(), *art::Locks::thread_list_lock_); 397df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski art::Thread* thread = art::Thread::FromManagedThread(soa, jthread); 398df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski if (thread != nullptr) { 399df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski thread->Interrupt(soa.Self()); 400df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski } 401df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski} 402df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski 403df0b17a474306198b7b0320311496e42d707a00ePiotr JastrzebskiJNIEXPORT jboolean JVM_IsInterrupted(JNIEnv* env, jobject jthread, jboolean clearInterrupted) { 404df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski if (clearInterrupted) { 405df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski return static_cast<art::JNIEnvExt*>(env)->self->Interrupted() ? JNI_TRUE : JNI_FALSE; 406df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski } else { 407df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski art::ScopedFastNativeObjectAccess soa(env); 408df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski art::MutexLock mu(soa.Self(), *art::Locks::thread_list_lock_); 409df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski art::Thread* thread = art::Thread::FromManagedThread(soa, jthread); 410df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski return (thread != nullptr) ? thread->IsInterrupted() : JNI_FALSE; 411df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski } 412df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski} 413df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski 414df0b17a474306198b7b0320311496e42d707a00ePiotr JastrzebskiJNIEXPORT jboolean JVM_HoldsLock(JNIEnv* env, jclass unused, jobject jobj) { 415df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski art::ScopedObjectAccess soa(env); 416df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski art::mirror::Object* object = soa.Decode<art::mirror::Object*>(jobj); 417df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski if (object == NULL) { 418df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski art::ThrowNullPointerException(NULL, "object == null"); 419df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski return JNI_FALSE; 420df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski } 421df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski return soa.Self()->HoldsLock(object); 422df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski} 423df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski 424df0b17a474306198b7b0320311496e42d707a00ePiotr JastrzebskiJNIEXPORT void JVM_SetNativeThreadName(JNIEnv* env, jobject jthread, jstring java_name) { 425df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski ScopedUtfChars name(env, java_name); 426df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski art::Thread* self; 427df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski { 428df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski art::ScopedObjectAccess soa(env); 429df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski if (soa.Decode<art::mirror::Object*>(jthread) == soa.Self()->GetPeer()) { 430df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski soa.Self()->SetThreadName(name.c_str()); 431df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski return; 432df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski } 433df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski self = soa.Self(); 434df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski } 435df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski // Suspend thread to avoid it from killing itself while we set its name. We don't just hold the 436df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski // thread list lock to avoid this, as setting the thread name causes mutator to lock/unlock 437df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski // in the DDMS send code. 438df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski art::ThreadList* thread_list = art::Runtime::Current()->GetThreadList(); 439df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski bool timed_out; 440df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski // Take suspend thread lock to avoid races with threads trying to suspend this one. 441df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski art::Thread* thread; 442df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski { 443df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski art::MutexLock mu(self, *art::Locks::thread_list_suspend_thread_lock_); 444df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski thread = thread_list->SuspendThreadByPeer(jthread, true, false, &timed_out); 445df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski } 446df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski if (thread != NULL) { 447df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski { 448df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski art::ScopedObjectAccess soa(env); 449df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski thread->SetThreadName(name.c_str()); 450df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski } 451df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski thread_list->Resume(thread, false); 452df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski } else if (timed_out) { 453df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski LOG(ERROR) << "Trying to set thread name to '" << name.c_str() << "' failed as the thread " 454df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski "failed to suspend within a generous timeout."; 455df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski } 456df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski} 457df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski 458df0b17a474306198b7b0320311496e42d707a00ePiotr JastrzebskiJNIEXPORT jint JVM_IHashCode(JNIEnv* env, jobject javaObject) { 459df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski if (UNLIKELY(javaObject == nullptr)) { 460df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski return 0; 461df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski } 462df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski art::ScopedFastNativeObjectAccess soa(env); 463df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski art::mirror::Object* o = soa.Decode<art::mirror::Object*>(javaObject); 464df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski return static_cast<jint>(o->IdentityHashCode()); 465df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski} 466df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski 467df0b17a474306198b7b0320311496e42d707a00ePiotr JastrzebskiJNIEXPORT jlong JVM_NanoTime(JNIEnv* env, jclass unused) { 468df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski#if defined(HAVE_POSIX_CLOCKS) 469df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski timespec now; 470df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski clock_gettime(CLOCK_MONOTONIC, &now); 471df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski return now.tv_sec * 1000000000LL + now.tv_nsec; 472df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski#else 473df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski timeval now; 474df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski gettimeofday(&now, NULL); 475df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski return static_cast<jlong>(now.tv_sec) * 1000000000LL + now.tv_usec * 1000LL; 476df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski#endif 477df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski} 478df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebskistatic void ThrowArrayStoreException_NotAnArray(const char* identifier, art::mirror::Object* array) 479df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski SHARED_LOCKS_REQUIRED(art::Locks::mutator_lock_) { 480df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski std::string actualType(art::PrettyTypeOf(array)); 481df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski art::Thread* self = art::Thread::Current(); 482df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski art::ThrowLocation throw_location = self->GetCurrentLocationForThrow(); 483df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski self->ThrowNewExceptionF(throw_location, "Ljava/lang/ArrayStoreException;", 484df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski "%s of type %s is not an array", identifier, actualType.c_str()); 485df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski} 486df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski 487df0b17a474306198b7b0320311496e42d707a00ePiotr JastrzebskiJNIEXPORT void JVM_ArrayCopy(JNIEnv* env, jclass unused, jobject javaSrc, 488df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski jint srcPos, jobject javaDst, jint dstPos, jint length) { 489df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski // The API is defined in terms of length, but length is somewhat overloaded so we use count. 490df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski const jint count = length; 491df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski art::ScopedFastNativeObjectAccess soa(env); 492df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski 493df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski // Null pointer checks. 494df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski if (UNLIKELY(javaSrc == nullptr)) { 495df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski art::ThrowNullPointerException(nullptr, "src == null"); 496df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski return; 497df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski } 498df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski if (UNLIKELY(javaDst == nullptr)) { 499df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski art::ThrowNullPointerException(nullptr, "dst == null"); 500df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski return; 501df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski } 502df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski 503df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski // Make sure source and destination are both arrays. 504df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski art::mirror::Object* srcObject = soa.Decode<art::mirror::Object*>(javaSrc); 505df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski if (UNLIKELY(!srcObject->IsArrayInstance())) { 506df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski ThrowArrayStoreException_NotAnArray("source", srcObject); 507df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski return; 508df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski } 509df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski art::mirror::Object* dstObject = soa.Decode<art::mirror::Object*>(javaDst); 510df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski if (UNLIKELY(!dstObject->IsArrayInstance())) { 511df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski ThrowArrayStoreException_NotAnArray("destination", dstObject); 512df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski return; 513df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski } 514df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski art::mirror::Array* srcArray = srcObject->AsArray(); 515df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski art::mirror::Array* dstArray = dstObject->AsArray(); 516df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski 517df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski // Bounds checking. 518df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski if (UNLIKELY(srcPos < 0) || UNLIKELY(dstPos < 0) || UNLIKELY(count < 0) || 519df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski UNLIKELY(srcPos > srcArray->GetLength() - count) || 520df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski UNLIKELY(dstPos > dstArray->GetLength() - count)) { 521df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski art::ThrowLocation throw_location = soa.Self()->GetCurrentLocationForThrow(); 522df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski soa.Self()->ThrowNewExceptionF(throw_location, "Ljava/lang/ArrayIndexOutOfBoundsException;", 523df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski "src.length=%d srcPos=%d dst.length=%d dstPos=%d length=%d", 524df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski srcArray->GetLength(), srcPos, dstArray->GetLength(), dstPos, 525df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski count); 526df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski return; 527df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski } 528df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski 529df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski art::mirror::Class* dstComponentType = dstArray->GetClass()->GetComponentType(); 530df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski art::mirror::Class* srcComponentType = srcArray->GetClass()->GetComponentType(); 531df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski art::Primitive::Type dstComponentPrimitiveType = dstComponentType->GetPrimitiveType(); 532df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski 533df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski if (LIKELY(srcComponentType == dstComponentType)) { 534df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski // Trivial assignability. 535df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski switch (dstComponentPrimitiveType) { 536df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski case art::Primitive::kPrimVoid: 537df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski LOG(FATAL) << "Unreachable, cannot have arrays of type void"; 538df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski return; 539df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski case art::Primitive::kPrimBoolean: 540df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski case art::Primitive::kPrimByte: 541df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski DCHECK_EQ(art::Primitive::ComponentSize(dstComponentPrimitiveType), 1U); 542df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski dstArray->AsByteSizedArray()->Memmove(dstPos, srcArray->AsByteSizedArray(), srcPos, count); 543df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski return; 544df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski case art::Primitive::kPrimChar: 545df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski case art::Primitive::kPrimShort: 546df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski DCHECK_EQ(art::Primitive::ComponentSize(dstComponentPrimitiveType), 2U); 547df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski dstArray->AsShortSizedArray()->Memmove(dstPos, srcArray->AsShortSizedArray(), srcPos, count); 548df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski return; 549df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski case art::Primitive::kPrimInt: 550df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski case art::Primitive::kPrimFloat: 551df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski DCHECK_EQ(art::Primitive::ComponentSize(dstComponentPrimitiveType), 4U); 552df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski dstArray->AsIntArray()->Memmove(dstPos, srcArray->AsIntArray(), srcPos, count); 553df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski return; 554df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski case art::Primitive::kPrimLong: 555df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski case art::Primitive::kPrimDouble: 556df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski DCHECK_EQ(art::Primitive::ComponentSize(dstComponentPrimitiveType), 8U); 557df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski dstArray->AsLongArray()->Memmove(dstPos, srcArray->AsLongArray(), srcPos, count); 558df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski return; 559df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski case art::Primitive::kPrimNot: { 560df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski art::mirror::ObjectArray<art::mirror::Object>* dstObjArray = dstArray->AsObjectArray<art::mirror::Object>(); 561df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski art::mirror::ObjectArray<art::mirror::Object>* srcObjArray = srcArray->AsObjectArray<art::mirror::Object>(); 562df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski dstObjArray->AssignableMemmove(dstPos, srcObjArray, srcPos, count); 563df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski return; 564df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski } 565df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski default: 566df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski LOG(FATAL) << "Unknown array type: " << art::PrettyTypeOf(srcArray); 567df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski return; 568df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski } 569df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski } 570df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski // If one of the arrays holds a primitive type the other array must hold the exact same type. 571df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski if (UNLIKELY((dstComponentPrimitiveType != art::Primitive::kPrimNot) || 572df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski srcComponentType->IsPrimitive())) { 573df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski std::string srcType(art::PrettyTypeOf(srcArray)); 574df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski std::string dstType(art::PrettyTypeOf(dstArray)); 575df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski art::ThrowLocation throw_location = soa.Self()->GetCurrentLocationForThrow(); 576df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski soa.Self()->ThrowNewExceptionF(throw_location, "Ljava/lang/ArrayStoreException;", 577df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski "Incompatible types: src=%s, dst=%s", 578df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski srcType.c_str(), dstType.c_str()); 579df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski return; 580df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski } 581df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski // Arrays hold distinct types and so therefore can't alias - use memcpy instead of memmove. 582df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski art::mirror::ObjectArray<art::mirror::Object>* dstObjArray = dstArray->AsObjectArray<art::mirror::Object>(); 583df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski art::mirror::ObjectArray<art::mirror::Object>* srcObjArray = srcArray->AsObjectArray<art::mirror::Object>(); 584df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski // If we're assigning into say Object[] then we don't need per element checks. 585df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski if (dstComponentType->IsAssignableFrom(srcComponentType)) { 586df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski dstObjArray->AssignableMemcpy(dstPos, srcObjArray, srcPos, count); 587df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski return; 588df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski } 589df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski dstObjArray->AssignableCheckingMemcpy(dstPos, srcObjArray, srcPos, count, true); 590df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski} 591df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski 592df0b17a474306198b7b0320311496e42d707a00ePiotr JastrzebskiJNIEXPORT jint JVM_FindSignal(const char* name) { 59336379fdf339a85cd89d12506d97ecdf582041b16Narayan Kamath LOG(FATAL) << "JVM_FindSignal is not implemented"; 59436379fdf339a85cd89d12506d97ecdf582041b16Narayan Kamath return 0; 595df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski} 596df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski 59736379fdf339a85cd89d12506d97ecdf582041b16Narayan KamathJNIEXPORT void* JVM_RegisterSignal(jint signum, void* handler) { 59836379fdf339a85cd89d12506d97ecdf582041b16Narayan Kamath LOG(FATAL) << "JVM_RegisterSignal is not implemented"; 59936379fdf339a85cd89d12506d97ecdf582041b16Narayan Kamath return nullptr; 600df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski} 601df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski 60236379fdf339a85cd89d12506d97ecdf582041b16Narayan KamathJNIEXPORT jboolean JVM_RaiseSignal(jint signum) { 60336379fdf339a85cd89d12506d97ecdf582041b16Narayan Kamath LOG(FATAL) << "JVM_RaiseSignal is not implemented"; 60436379fdf339a85cd89d12506d97ecdf582041b16Narayan Kamath return JNI_FALSE; 605df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski} 606df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski 607df0b17a474306198b7b0320311496e42d707a00ePiotr JastrzebskiJNIEXPORT void JVM_Halt(jint code) { 608df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski exit(code); 609df0b17a474306198b7b0320311496e42d707a00ePiotr Jastrzebski} 610b02d9b7329909cbf741b16faf81616a992a1bd2bPrzemyslaw Szczepaniak 611b02d9b7329909cbf741b16faf81616a992a1bd2bPrzemyslaw SzczepaniakJNIEXPORT jboolean JVM_IsNaN(jdouble d) { 612b02d9b7329909cbf741b16faf81616a992a1bd2bPrzemyslaw Szczepaniak return isnan(d); 613b02d9b7329909cbf741b16faf81616a992a1bd2bPrzemyslaw Szczepaniak} 614