| /* |
| * |
| * Copyright 2015, Google Inc. |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are |
| * met: |
| * |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following disclaimer |
| * in the documentation and/or other materials provided with the |
| * distribution. |
| * * Neither the name of Google Inc. nor the names of its |
| * contributors may be used to endorse or promote products derived from |
| * this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| * |
| */ |
| |
| #import <Foundation/Foundation.h> |
| |
| struct grpc_completion_queue; |
| struct grpc_event; |
| |
| typedef void(^GRPCEventHandler)(struct grpc_event *event); |
| |
| // This class lets one more easily use grpc_completion_queue. To use it, pass |
| // the value of the unmanagedQueue property of an instance of this class to |
| // grpc_call_start_invoke. Then for every grpc_call_* method that accepts a tag, |
| // you can pass a block of type GRPCEventHandler (remembering to cast it using |
| // __bridge_retained). The block is guaranteed to eventually be called, by a |
| // concurrent queue, and then released. Each such block is passed a pointer to |
| // the grpc_event that carried it (in event->tag). |
| // Release the GRPCCompletionQueue object only after you are not going to pass |
| // any more blocks to the grpc_call that's using it. |
| @interface GRPCCompletionQueue : NSObject |
| @property(nonatomic, readonly) struct grpc_completion_queue *unmanagedQueue; |
| |
| + (instancetype)completionQueue; |
| @end |