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//
// GTMDebugThreadValidation.h
//
// Copyright 2016 Google 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.
//
#import "GTMDefines.h"
#import <Foundation/Foundation.h>
// GTMCheckCurrentQueue, GTMIsCurrentQueue
//
// GTMCheckCurrentQueue takes a target queue and uses _GTMDevAssert to
// report if that is not the currently executing queue.
//
// GTMIsCurrentQueue takes a target queue and returns true if the target queue
// is the currently executing dispatch queue. This can be passed to another
// assertion call in debug builds; it should never be used in release code.
//
// The dispatch queue must have a label.
#define GTMCheckCurrentQueue(targetQueue) \
_GTMDevAssert(GTMIsCurrentQueue(targetQueue), \
@"Current queue is %s (expected %s)", \
_GTMQueueName(DISPATCH_CURRENT_QUEUE_LABEL), \
_GTMQueueName(targetQueue))
#define GTMIsCurrentQueue(targetQueue) \
(strcmp(_GTMQueueName(DISPATCH_CURRENT_QUEUE_LABEL), \
_GTMQueueName(targetQueue)) == 0)
#define _GTMQueueName(queue) \
(strlen(dispatch_queue_get_label(queue)) > 0 ? \
dispatch_queue_get_label(queue) : "unnamed")
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