private static jthread alloc_thread(JNIEnvHandle jniEnv)
{
jniNativeInterface nativeInterface = (jniNativeInterface)Marshal.PtrToStructure(Marshal.ReadIntPtr(jniEnv.Handle), typeof(jniNativeInterface));
jclass @class = nativeInterface.FindClass(jniEnv, "java/lang/Thread");
if (@class == jclass.Null)
{
throw new Exception("ERROR: JNI: Cannot find %s with FindClass.");
}
nativeInterface.ExceptionClear(jniEnv);
jmethodID method = nativeInterface.GetMethodID(jniEnv, @class, "<init>", "()V");
if (method == jmethodID.Null)
{
throw new Exception("Cannot find Thread constructor method.");
}
nativeInterface.ExceptionClear(jniEnv);
jthread result = (jthread)nativeInterface.NewObject(jniEnv, @class, method);
if (result == jthread.Null)
{
throw new Exception("Cannot create new Thread object");
}
nativeInterface.ExceptionClear(jniEnv);
return(result);
}
internal JvmNativeEnvironment(JvmEnvironment environment, JNIEnvHandle nativeEnvironmentHandle, jniNativeInterface nativeInterface)
{
Contract.Requires <ArgumentNullException>(environment != null, "environment");
Contract.Requires <ArgumentException>(nativeEnvironmentHandle != JNIEnvHandle.Null);
_environment = environment;
_nativeEnvironmentHandle = nativeEnvironmentHandle;
_nativeInterface = nativeInterface;
}
internal JvmNativeEnvironment GetNativeFunctionTable(JNIEnvHandle nativeEnvironmentHandle)
{
IntPtr functionTable;
ThrowOnFailure(_rawInterface.GetJNIFunctionTable(_env, out functionTable));
try
{
jniNativeInterface nativeInterface = (jniNativeInterface)Marshal.PtrToStructure(functionTable, typeof(jniNativeInterface));
return(new JvmNativeEnvironment(this, nativeEnvironmentHandle, nativeInterface));
}
finally
{
if (functionTable != IntPtr.Zero)
{
Deallocate(functionTable);
}
}
}
public JniEnvironment(JNIEnvHandle handle)
{
_handle = handle;
_rawInterface = (jniNativeInterface)Marshal.PtrToStructure(Marshal.ReadIntPtr(handle.Handle), typeof(jniNativeInterface));
}
