-/*
- * Copyright (C) 2007 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-/*
- * JNI helper functions.
- *
- * This file may be included by C or C++ code, which is trouble because jni.h
- * uses different typedefs for JNIEnv in each language.
- */
-#ifndef _NATIVEHELPER_JNIHELP_H
-#define _NATIVEHELPER_JNIHELP_H
-
-#include "jni.h"
-#include "utils/Log.h"
-
-#ifndef NELEM
-# define NELEM(x) ((int) (sizeof(x) / sizeof((x)[0])))
-#endif
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-/*
- * Register one or more native methods with a particular class.
- */
-int jniRegisterNativeMethods(C_JNIEnv* env, const char* className,
- const JNINativeMethod* gMethods, int numMethods);
-
-/*
- * Throw an exception with the specified class and an optional message.
- * The "className" argument will be passed directly to FindClass, which
- * takes strings with slashes (e.g. "java/lang/Object").
- *
- * Returns 0 on success, nonzero if something failed (e.g. the exception
- * class couldn't be found).
- *
- * Currently aborts the VM if it can't throw the exception.
- */
-int jniThrowException(C_JNIEnv* env, const char* className, const char* msg);
-
-/*
- * Throw a java.lang.RuntimeException, with an optional message.
- */
-int jniThrowRuntimeException(JNIEnv* env, const char* msg);
-
-/*
- * Throw a java.io.IOException, generating the message from errno.
- */
-int jniThrowIOException(C_JNIEnv* env, int errnum);
-
-/*
- * Create a java.io.FileDescriptor given an integer fd
- */
-jobject jniCreateFileDescriptor(C_JNIEnv* env, int fd);
-
-/*
- * Get an int file descriptor from a java.io.FileDescriptor
- */
-int jniGetFDFromFileDescriptor(C_JNIEnv* env, jobject fileDescriptor);
-
-/*
- * Set an int file descriptor to a java.io.FileDescriptor
- */
-void jniSetFileDescriptorOfFD(C_JNIEnv* env, jobject fileDescriptor, int value);
-
-#ifdef __cplusplus
-}
-#endif
-
-
-/*
- * For C++ code, we provide inlines that map to the C functions. g++ always
- * inlines these, even on non-optimized builds.
- */
-#if defined(__cplusplus) && !defined(JNI_FORCE_C)
-inline int jniRegisterNativeMethods(JNIEnv* env, const char* className,
- const JNINativeMethod* gMethods, int numMethods)
-{
- return jniRegisterNativeMethods(&env->functions, className, gMethods,
- numMethods);
-}
-inline int jniThrowException(JNIEnv* env, const char* className,
- const char* msg)
-{
- return jniThrowException(&env->functions, className, msg);
-}
-inline int jniThrowIOException(JNIEnv* env, int errnum)
-{
- return jniThrowIOException(&env->functions, errnum);
-}
-inline jobject jniCreateFileDescriptor(JNIEnv* env, int fd)
-{
- return jniCreateFileDescriptor(&env->functions, fd);
-}
-inline int jniGetFDFromFileDescriptor(JNIEnv* env, jobject fileDescriptor)
-{
- return jniGetFDFromFileDescriptor(&env->functions, fileDescriptor);
-}
-inline void jniSetFileDescriptorOfFD(JNIEnv* env, jobject fileDescriptor,
- int value)
-{
- return jniSetFileDescriptorOfFD(&env->functions, fileDescriptor, value);
-}
-#endif
-
-#endif /*_NATIVEHELPER_JNIHELP_H*/