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git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/base/trunk@16375 72102866-910b-0410-8b05-ffd578937521
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CaS 2003-04-06 07:57:00 +00:00
parent 820ca85970
commit 55417b22c7
1 changed files with 31 additions and 12 deletions
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27
Source/NSThread.m
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@ -250,6 +250,17 @@ gnustep_base_thread_callback()
} }
/**
* This class encapsulates OpenStep threading. See [NSLock] and its
* subclasses for handling synchronisation between threads.<br />
* Each process begins with a main thread and additional threads can
* be created using NSThread. The GNUstep implementation of OpenStep
* has been carefully designed so that the internals of the base
* library do not use threading (except for methods which explicitly
* deal with threads of course) so that you can write applications
* without threading. Non-threaded applications re more efficient
* (no locking is required) and are easier to debug during development.
*/
@implementation NSThread @implementation NSThread
/** /**
@ -796,6 +807,13 @@ static NSDate *theFuture;
} }
@end @end
/**
* Extra methods to permit messages to be sent to an object such that they
* are executed in the <em>main</em> thread.<br />
* The main thread is the thread in which the GNUstep system is started,
* and where the GNUstep gui is used, it is the thread in which gui
* drawing operations <strong>must</strong> be performed.
*/
@implementation NSObject (NSMainThreadPerformAdditions) @implementation NSObject (NSMainThreadPerformAdditions)
/** /**
@ -807,9 +825,10 @@ static NSDate *theFuture;
* runs in one of the modes specified in anArray.<br /> * runs in one of the modes specified in anArray.<br />
* Where this method has been called more than once before the runloop * Where this method has been called more than once before the runloop
* of the main thread runs in the required mode, the order in which the * of the main thread runs in the required mode, the order in which the
* 'perform' operations in the main thread is done is the same as that * operations in the main thread is done is the same as that in which
* in which they were added.<br /> * they were added using this method.
* If there are no modes in anArray, * </p>
* <p>If there are no modes in anArray,
* the method has no effect and simply returns immediately. * the method has no effect and simply returns immediately.
* </p> * </p>
* <p>The argument aFlag specifies whether the method should wait until * <p>The argument aFlag specifies whether the method should wait until
@ -820,7 +839,7 @@ static NSDate *theFuture;
* will block forever. * will block forever.
* </p> * </p>
* <p>As a special case, if aFlag == YES and the current thread is the main * <p>As a special case, if aFlag == YES and the current thread is the main
* thread, the modes array is ignord and the selector is performed immediately. * thread, the modes array is ignored and the selector is performed immediately.
* This behavior is necessary to avoid the main thread being blocked by * This behavior is necessary to avoid the main thread being blocked by
* waiting for a perform which will never happen because the runloop is * waiting for a perform which will never happen because the runloop is
* not executing. * not executing.