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Add a Flag to Disable Main Thread Assertions #trivial (#348)

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* Add a thread-flag for disabling main thread assertions

* Fix the license header
This commit is contained in:
Adlai Holler
2017-06-11 18:53:20 -05:00
committed by GitHub
parent 69e69873cc
commit 8af1538a5b
5 changed files with 92 additions and 3 deletions
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22
Source/Base/ASAssert.h
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@@ -19,6 +19,7 @@
#import <Foundation/NSException.h>
#import <pthread.h>
#import <AsyncDisplayKit/ASBaseDefines.h>
#define ASDISPLAYNODE_ASSERTIONS_ENABLED (!defined(NS_BLOCK_ASSERTIONS))
@@ -42,8 +43,8 @@
#define ASDisplayNodeAssertNotInstantiable() ASDisplayNodeAssert(NO, nil, @"This class is not instantiable.");
#define ASDisplayNodeAssertNotSupported() ASDisplayNodeAssert(NO, nil, @"This method is not supported by class %@", [self class]);
#define ASDisplayNodeAssertMainThread() ASDisplayNodeAssert(0 != pthread_main_np(), @"This method must be called on the main thread")
#define ASDisplayNodeCAssertMainThread() ASDisplayNodeCAssert(0 != pthread_main_np(), @"This function must be called on the main thread")
#define ASDisplayNodeAssertMainThread() ASDisplayNodeAssert(ASMainThreadAssertionsAreDisabled() || 0 != pthread_main_np(), @"This method must be called on the main thread")
#define ASDisplayNodeCAssertMainThread() ASDisplayNodeCAssert(ASMainThreadAssertionsAreDisabled() || 0 != pthread_main_np(), @"This function must be called on the main thread")
#define ASDisplayNodeAssertNotMainThread() ASDisplayNodeAssert(0 == pthread_main_np(), @"This method must be called off the main thread")
#define ASDisplayNodeCAssertNotMainThread() ASDisplayNodeCAssert(0 == pthread_main_np(), @"This function must be called off the main thread")
@@ -69,6 +70,23 @@
#define ASDisplayNodeErrorDomain @"ASDisplayNodeErrorDomain"
#define ASDisplayNodeNonFatalErrorCode 1
/**
* In debug methods, it can be useful to disable main thread assertions to get valuable information,
* even if it means violating threading requirements. These functions are used in -debugDescription and let
* threads decide to suppress/re-enable main thread assertions.
*/
#pragma mark - Main Thread Assertions Disabling
ASDISPLAYNODE_EXTERN_C_BEGIN
BOOL ASMainThreadAssertionsAreDisabled();
void ASPushMainThreadAssertionsDisabled();
void ASPopMainThreadAssertionsDisabled();
ASDISPLAYNODE_EXTERN_C_END
#pragma mark - Non-Fatal Assertions
/// Returns YES if assertion passed, NO otherwise.
#define ASDisplayNodeAssertNonFatal(condition, desc, ...) ({ \
BOOL __evaluated = condition; \