Fredrik Fornwall
9 years ago
3 changed files with 3 additions and 121 deletions
@ -1,120 +0,0 @@ |
|||
/*
|
|||
* 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*/ |
Loading…
Reference in new issue