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