Many resources are needed to download a project. Please understand that we have to compensate our server costs. Thank you in advance. Project price only 1 $
You can buy this project and download/modify it how often you want.
/*
* JCuda - Java bindings for NVIDIA CUDA driver and runtime API
*
* Copyright (c) 2009-2017 Marco Hutter - http://www.jcuda.org
*
* Permission is hereby granted, free of charge, to any person
* obtaining a copy of this software and associated documentation
* files (the "Software"), to deal in the Software without
* restriction, including without limitation the rights to use,
* copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following
* conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*/
#include "CallbackUtils.hpp"
#include "JNIUtils.hpp"
#include "Logger.hpp"
/**
* Initializes and returns a CallbackInfo structure with the given
* arguments. The javaCallbackObject is the Java callback interface object
* (may be NULL), and userData is a java.lang.Object (may be NULL).
* The returned CallbackInfo structure will contain global references
* to the non-null arguments. Returns NULL if an arror occurs.
*/
CallbackInfo* initCallbackInfo(JNIEnv *env, jobject hStream, jobject javaCallbackObject, jobject userData)
{
Logger::log(LOG_DEBUGTRACE, "Executing initCallbackInfo\n");
CallbackInfo *callbackInfo = new CallbackInfo();
if (callbackInfo == NULL)
{
ThrowByName(env, "java/lang/OutOfMemoryError",
"Out of memory when preparing callback function");
return NULL;
}
callbackInfo->globalStream = NULL;
callbackInfo->globalJavaCallbackObject = NULL;
callbackInfo->globalUserData = NULL;
if (hStream != NULL)
{
callbackInfo->globalStream = env->NewGlobalRef(hStream);
if (env->ExceptionCheck())
{
delete callbackInfo;
return NULL;
}
}
if (javaCallbackObject != NULL)
{
callbackInfo->globalJavaCallbackObject = env->NewGlobalRef(javaCallbackObject);
if (env->ExceptionCheck())
{
delete callbackInfo;
return NULL;
}
}
if (userData != NULL)
{
callbackInfo->globalUserData = env->NewGlobalRef(userData);
if (env->ExceptionCheck())
{
delete callbackInfo;
return NULL;
}
}
return callbackInfo;
}
/**
* Deletes the global references stored in the given CallbackInfo
* object and deletes the object.
*/
void deleteCallbackInfo(JNIEnv *env, CallbackInfo* &callbackInfo)
{
Logger::log(LOG_DEBUGTRACE, "Executing deleteCallbackInfo\n");
if (callbackInfo == NULL)
{
return;
}
if (callbackInfo->globalStream != NULL)
{
env->DeleteGlobalRef(callbackInfo->globalStream);
}
if (callbackInfo->globalJavaCallbackObject != NULL)
{
env->DeleteGlobalRef(callbackInfo->globalJavaCallbackObject);
}
if (callbackInfo->globalUserData != NULL)
{
env->DeleteGlobalRef(callbackInfo->globalUserData);
}
delete callbackInfo;
callbackInfo = NULL;
}
/**
* This functions checks if an exception occurred, prints
* an error message in this case, and clears all pending
* exceptions
*/
void finishCallback(JNIEnv *env)
{
if (env->ExceptionCheck())
{
Logger::log(LOG_ERROR, "Exception in callback\n");
env->ExceptionDescribe();
env->ExceptionClear();
}
}
