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/*
 *
 *  * Copyright 2015 Skymind,Inc.
 *  *
 *  *    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.
 *
 *
 */
package jcuda.runtime;

/**
 * Interface for emulating a CUDA stream callback.
 * 
 * @see JCuda#cudaStreamAddCallback(cudaStream_t, cudaStreamCallback, Object, int)
 */
public interface cudaStreamCallback
{
    /**
     * The function that will be called
     * 
     * @param stream The stream as passed to ::cudaStreamAddCallback, may be NULL.
     * @param status ::cudaSuccess or any persistent error on the stream.
     * @param userData User parameter provided at registration. 
     */
    void call(cudaStream_t stream, int status, Object userData);
}