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MPFastDispatch.h
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MPFastDispatch.h
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/////////////////////////////////////////////////////////////////////////////////////
// //
// The MIT License (MIT) //
// //
// Copyright (c) 2014 Matteo Pacini //
// //
// Permission is hereby granted, free of charge, to any person obtaining a copy //
// of this software and associated documentation files (the "Software"), to deal //
// in the Software without restriction, including without limitation the rights //
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell //
// copies of the Software, and to permit persons to whom the Software is //
// furnished to do so, subject to the following conditions: //
// //
// The above copyright notice and this permission notice shall be included in //
// all copies or substantial portions of the Software. //
// //
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR //
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, //
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE //
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER //
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, //
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN //
// THE SOFTWARE. //
// //
/////////////////////////////////////////////////////////////////////////////////////
#ifndef __MP_FAST_DISPATCH_H__
#define __MP_FAST_DISPATCH_H__
#define after(SECONDS,BLOCK) \
autoreleasepool {} \
dispatch_after( \
dispatch_time(DISPATCH_TIME_NOW, \
(int64_t)(SECONDS * NSEC_PER_SEC)), \
dispatch_get_main_queue(), BLOCK);
#define once(BLOCK) \
autoreleasepool {} \
static dispatch_once_t onceToken; \
dispatch_once(&onceToken, BLOCK);
#define mainqueue(BLOCK) \
autoreleasepool {} \
dispatch_async(dispatch_get_main_queue(),BLOCK);
#define backgroundqueue(BLOCK) \
autoreleasepool {} \
dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_BACKGROUND,0),BLOCK); \
#define sem(TAG, VAL) \
autoreleasepool {} \
__block dispatch_semaphore_t __sem##TAG = \
dispatch_semaphore_create(VAL); \
#define sem_wait(TAG, TIMEOUT) \
autoreleasepool {} \
dispatch_semaphore_wait(__sem##TAG, TIMEOUT); \
#define sem_signal(TAG) \
autoreleasepool {} \
dispatch_semaphore_signal(__sem##TAG); \
#endif