/*!
* \brief Append new-class to container.
* \param klassOop [in] New class oop.
* \return New-class data.
*/
TObjectData *TClassContainer::pushNewClass(void *klassOop) {
TObjectData *cur = NULL;
/* Class info setting. */
cur = (TObjectData *)calloc(1, sizeof(TObjectData));
/* If failure allocate. */
if (unlikely(cur == NULL)) {
/* Adding empty to list is deny. */
logger->printWarnMsg("Couldn't allocate counter memory!");
return NULL;
}
cur->tag = (uintptr_t)cur;
cur->className = getClassName(getKlassFromKlassOop(klassOop));
/* If failure getting class name. */
if (unlikely(cur->className == NULL)) {
/* Adding empty to list is deny. */
logger->printWarnMsg("Couldn't get class name!");
free(cur);
return NULL;
}
cur->classNameLen = strlen(cur->className);
cur->oopType = getClassType(cur->className);
void *clsLoader = getClassLoader(klassOop, cur->oopType);
TObjectData *clsLoaderData = NULL;
/* If class loader isn't system bootstrap class loader. */
if (clsLoader != NULL) {
void *clsLoaderKlsOop = getKlassOopFromOop(clsLoader);
if (clsLoaderKlsOop != NULL) {
/* Search classloader's class. */
clsLoaderData = this->findClass(clsLoaderKlsOop);
if (unlikely(clsLoaderData == NULL)) {
/* Register classloader's class. */
clsLoaderData = this->pushNewClass(clsLoaderKlsOop);
}
}
}
cur->clsLoaderTag = (clsLoaderData != NULL) ? clsLoaderData->tag : 0;
cur->clsLoaderId = (uintptr_t)clsLoader;
/* Chain setting. */
cur->klassOop = klassOop;
TObjectData *result = this->pushNewClass(klassOop, cur);
if (unlikely(result != cur)) {
free(cur->className);
free(cur);
}
return result;
}
void onThreadDestruction() throw ( ::jace::JNIException ) {
#ifdef _WIN32
if ( hasShutdown() )
return;
JavaVM* jvm = getJavaVM();
::jace::VmLoader* loader = getVmLoader();
jobject value = getClassLoader();
JNIEnv* env;
// We must ensure that the thread is detached when we leave this function.
bool mustDetachJVM = value != 0 || jvm->GetEnv( (void**) &env, loader->version() ) != JNI_EDETACHED;
if ( mustDetachJVM ) {
if ( value != 0 ) {
setClassLoader( 0 );
}
jace::helper::detach();
}
#endif
}
void setClassLoader(jobject classLoader) {
JNIEnv* env = attach();
jobject oldRef = getClassLoader();
#ifdef SUPPORTS_PTHREADS
int rc;
#elif _WIN32
BOOL rc;
#endif
// Set the new value
if ( classLoader != 0 ) {
classLoader = static_cast<jobject> ( newGlobalRef( env, classLoader ) );
}
#ifdef SUPPORTS_PTHREADS
rc = pthread_setspecific( CLASSLOADER_KEY, classLoader );
if ( rc != 0 ) {
std::string msg = "JNIHelper::setClassLoader()\n"
"pthread_setspecific() returned " + std::to_string( rc ) + ".";
throw JNIException( msg );
}
#elif _WIN32
rc = TlsSetValue( CLASSLOADER_KEY, classLoader );
if ( !rc ) {
std::string msg = "JNIHelper::setClassLoader()\n"
"TlsSetValue() returned " + std::to_string( GetLastError() ) + ".";
throw JNIException( msg );
}
#endif
// Delete the old value if necessary
if ( oldRef != 0 ) {
classLoaderDestructor( oldRef );
}
}
