Fredrik Fornwall
9 years ago
3 changed files with 3 additions and 121 deletions
@ -1,120 +0,0 @@ |
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/*
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* Copyright (C) 2007 The Android Open Source Project |
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* |
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* Licensed under the Apache License, Version 2.0 (the "License"); |
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* you may not use this file except in compliance with the License. |
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* You may obtain a copy of the License at |
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* |
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* http://www.apache.org/licenses/LICENSE-2.0
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* |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an "AS IS" BASIS, |
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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* See the License for the specific language governing permissions and |
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* limitations under the License. |
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*/ |
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/*
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* JNI helper functions. |
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* |
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* This file may be included by C or C++ code, which is trouble because jni.h |
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* uses different typedefs for JNIEnv in each language. |
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*/ |
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#ifndef _NATIVEHELPER_JNIHELP_H |
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#define _NATIVEHELPER_JNIHELP_H |
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#include "jni.h" |
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#include "utils/Log.h" |
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#ifndef NELEM |
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# define NELEM(x) ((int) (sizeof(x) / sizeof((x)[0]))) |
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#endif |
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#ifdef __cplusplus |
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extern "C" { |
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#endif |
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/*
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* Register one or more native methods with a particular class. |
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*/ |
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int jniRegisterNativeMethods(C_JNIEnv* env, const char* className, |
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const JNINativeMethod* gMethods, int numMethods); |
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/*
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* Throw an exception with the specified class and an optional message. |
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* The "className" argument will be passed directly to FindClass, which |
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* takes strings with slashes (e.g. "java/lang/Object"). |
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* |
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* Returns 0 on success, nonzero if something failed (e.g. the exception |
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* class couldn't be found). |
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* |
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* Currently aborts the VM if it can't throw the exception. |
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*/ |
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int jniThrowException(C_JNIEnv* env, const char* className, const char* msg); |
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/*
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* Throw a java.lang.RuntimeException, with an optional message. |
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*/ |
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int jniThrowRuntimeException(JNIEnv* env, const char* msg); |
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/*
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* Throw a java.io.IOException, generating the message from errno. |
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*/ |
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int jniThrowIOException(C_JNIEnv* env, int errnum); |
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/*
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* Create a java.io.FileDescriptor given an integer fd |
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*/ |
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jobject jniCreateFileDescriptor(C_JNIEnv* env, int fd); |
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/*
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* Get an int file descriptor from a java.io.FileDescriptor |
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*/ |
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int jniGetFDFromFileDescriptor(C_JNIEnv* env, jobject fileDescriptor); |
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/*
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* Set an int file descriptor to a java.io.FileDescriptor |
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*/ |
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void jniSetFileDescriptorOfFD(C_JNIEnv* env, jobject fileDescriptor, int value); |
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#ifdef __cplusplus |
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} |
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#endif |
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/*
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* For C++ code, we provide inlines that map to the C functions. g++ always |
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* inlines these, even on non-optimized builds. |
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*/ |
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#if defined(__cplusplus) && !defined(JNI_FORCE_C) |
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inline int jniRegisterNativeMethods(JNIEnv* env, const char* className, |
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const JNINativeMethod* gMethods, int numMethods) |
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{ |
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return jniRegisterNativeMethods(&env->functions, className, gMethods, |
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numMethods); |
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} |
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inline int jniThrowException(JNIEnv* env, const char* className, |
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const char* msg) |
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{ |
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return jniThrowException(&env->functions, className, msg); |
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} |
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inline int jniThrowIOException(JNIEnv* env, int errnum) |
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{ |
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return jniThrowIOException(&env->functions, errnum); |
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} |
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inline jobject jniCreateFileDescriptor(JNIEnv* env, int fd) |
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{ |
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return jniCreateFileDescriptor(&env->functions, fd); |
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} |
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inline int jniGetFDFromFileDescriptor(JNIEnv* env, jobject fileDescriptor) |
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{ |
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return jniGetFDFromFileDescriptor(&env->functions, fileDescriptor); |
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} |
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inline void jniSetFileDescriptorOfFD(JNIEnv* env, jobject fileDescriptor, |
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int value) |
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{ |
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return jniSetFileDescriptorOfFD(&env->functions, fileDescriptor, value); |
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} |
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#endif |
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#endif /*_NATIVEHELPER_JNIHELP_H*/ |
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