/*
|
* This file is part of the SDWebImage package.
|
* (c) Olivier Poitrey <rs@dailymotion.com>
|
*
|
* For the full copyright and license information, please view the LICENSE
|
* file that was distributed with this source code.
|
*/
|
|
#import <Foundation/Foundation.h>
|
#import "SDmetamacros.h"
|
|
#ifndef SD_LOCK
|
#define SD_LOCK(lock) dispatch_semaphore_wait(lock, DISPATCH_TIME_FOREVER);
|
#endif
|
|
#ifndef SD_UNLOCK
|
#define SD_UNLOCK(lock) dispatch_semaphore_signal(lock);
|
#endif
|
|
#ifndef weakify
|
#define weakify(...) \
|
sd_keywordify \
|
metamacro_foreach_cxt(sd_weakify_,, __weak, __VA_ARGS__)
|
#endif
|
|
#ifndef strongify
|
#define strongify(...) \
|
sd_keywordify \
|
_Pragma("clang diagnostic push") \
|
_Pragma("clang diagnostic ignored \"-Wshadow\"") \
|
metamacro_foreach(sd_strongify_,, __VA_ARGS__) \
|
_Pragma("clang diagnostic pop")
|
#endif
|
|
#define sd_weakify_(INDEX, CONTEXT, VAR) \
|
CONTEXT __typeof__(VAR) metamacro_concat(VAR, _weak_) = (VAR);
|
|
#define sd_strongify_(INDEX, VAR) \
|
__strong __typeof__(VAR) VAR = metamacro_concat(VAR, _weak_);
|
|
#if DEBUG
|
#define sd_keywordify autoreleasepool {}
|
#else
|
#define sd_keywordify try {} @catch (...) {}
|
#endif
|
|
#ifndef onExit
|
#define onExit \
|
sd_keywordify \
|
__strong sd_cleanupBlock_t metamacro_concat(sd_exitBlock_, __LINE__) __attribute__((cleanup(sd_executeCleanupBlock), unused)) = ^
|
#endif
|
|
typedef void (^sd_cleanupBlock_t)(void);
|
|
#if defined(__cplusplus)
|
extern "C" {
|
#endif
|
void sd_executeCleanupBlock (__strong sd_cleanupBlock_t *block);
|
#if defined(__cplusplus)
|
}
|
#endif
|
