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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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