| NSConditionLock |
Mac OS X 10.0 |
NSConditionLock is a class that implements the
NSLocking protocol and is used to perform
thread locks
that are associated with specific, user-defined conditions. The idea
behind NSConditionLock is that a thread can
acquire a lock only if some arbitrary condition has been satisfied.
See Chapter 2.
@interface NSConditionLock : NSObject <NSLocking>
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// Initializers |
- (id)initWithCondition:(int)condition;
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// Instance Methods |
- (int)condition;
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- (BOOL)lockBeforeDate:(NSDate *)limit;
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- (void)lockWhenCondition:(int)condition;
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- (BOOL)lockWhenCondition:(int)condition beforeDate:(NSDate *)limit;
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- (BOOL)tryLock;
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- (BOOL)tryLockWhenCondition:(int)condition;
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- (void)unlockWithCondition:(int)condition;
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// Methods Implementing NSLocking |
- (void)lock;
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- (void)unlock;
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