ObjFW  Check-in [ff3a60cc12]

Overview
Comment:Use @synchronized over OFMutex in a few places

These places are not super performance critical and the code becomes a
lot more readable.

Actually using @synchronized in ObjFW itself is also a good motivation
to optimize it further.

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SHA3-256: ff3a60cc123ed3f67403e8f233dae5dfaea5e0c3970c68dd5f49e1925a4e46bd
User & Date: js on 2024-04-28 08:36:55
Other Links: manifest | tags
Context
2024-04-28
11:56
Workaround for OFSubprocessTests on Windows 9x check-in: cd829b4336 user: js tags: trunk
08:36
Use @synchronized over OFMutex in a few places check-in: ff3a60cc12 user: js tags: trunk
2024-04-27
01:55
GitHub Actions: Replace macos-latest with macos-12 check-in: 799dbd0e16 user: js tags: trunk
Changes
Hide Diffs Unified Diffs Ignore Whitespace Patch

Modified src/OFDate.m from [ae00d275b0] to [2047693bf0].

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}
#ifdef __clang__
# pragma clang diagnostic pop
#endif

OF_SINGLETON_METHODS
@end


@implementation OFDate
+ (void)initialize
{
#ifdef OF_WINDOWS
	HMODULE module;
#endif








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}
#ifdef __clang__
# pragma clang diagnostic pop
#endif

OF_SINGLETON_METHODS
@end


@implementation OFDate
+ (void)initialize
{
#ifdef OF_WINDOWS
	HMODULE module;
#endif
︙︙

Modified src/OFIRIHandler.m from [55f4357182] to [922d7f84e3].

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#include "config.h"

#import "OFIRIHandler.h"
#import "OFDictionary.h"
#import "OFIRI.h"
#import "OFNumber.h"

#ifdef OF_HAVE_THREADS
# import "OFMutex.h"
#endif

#import "OFArchiveIRIHandler.h"
#import "OFEmbeddedIRIHandler.h"
#ifdef OF_HAVE_FILES
# import "OFFileIRIHandler.h"
#endif
#if defined(OF_HAVE_SOCKETS) && defined(OF_HAVE_THREADS)
# import "OFHTTPIRIHandler.h"
#endif

#import "OFUnsupportedProtocolException.h"

static OFMutableDictionary OF_GENERIC(OFString *, OFIRIHandler *) *handlers;
#ifdef OF_HAVE_THREADS
static OFMutex *mutex;

static void
releaseMutex(void)
{
	[mutex release];
}
#endif

@implementation OFIRIHandler
@synthesize scheme = _scheme;

+ (void)initialize
{
	if (self != [OFIRIHandler class])
		return;

	handlers = [[OFMutableDictionary alloc] init];
#ifdef OF_HAVE_THREADS
	mutex = [[OFMutex alloc] init];
	atexit(releaseMutex);
#endif

	[self registerClass: [OFEmbeddedIRIHandler class]
		  forScheme: @"embedded"];
#ifdef OF_HAVE_FILES
	[self registerClass: [OFFileIRIHandler class] forScheme: @"file"];
#endif
#if defined(OF_HAVE_SOCKETS) && defined(OF_HAVE_THREADS)
	[self registerClass: [OFHTTPIRIHandler class] forScheme: @"http"];
	[self registerClass: [OFHTTPIRIHandler class] forScheme: @"https"];
#endif
	[self registerClass: [OFArchiveIRIHandler class] forScheme: @"gzip"];
	[self registerClass: [OFArchiveIRIHandler class] forScheme: @"lha"];
	[self registerClass: [OFArchiveIRIHandler class] forScheme: @"tar"];
	[self registerClass: [OFArchiveIRIHandler class] forScheme: @"zip"];
	[self registerClass: [OFArchiveIRIHandler class] forScheme: @"zoo"];
}

+ (bool)registerClass: (Class)class forScheme: (OFString *)scheme
{
#ifdef OF_HAVE_THREADS
	[mutex lock];
	@try {
#endif
		OFIRIHandler *handler;

		if ([handlers objectForKey: scheme] != nil)
			return false;

		handler = [[class alloc] initWithScheme: scheme];
		@try {
			[handlers setObject: handler forKey: scheme];
		} @finally {
			[handler release];
		}
#ifdef OF_HAVE_THREADS
	} @finally {
		[mutex unlock];
	}
#endif

	return true;
}

+ (OFIRIHandler *)handlerForIRI: (OFIRI *)IRI
{
	OF_KINDOF(OFIRIHandler *) handler;

#ifdef OF_HAVE_THREADS
	[mutex lock];
	@try {
#endif
		handler = [handlers objectForKey: IRI.scheme];
#ifdef OF_HAVE_THREADS
	} @finally {
		[mutex unlock];
	}
#endif

	if (handler == nil)
		@throw [OFUnsupportedProtocolException exceptionWithIRI: IRI];

	return handler;
}









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#include "config.h"

#import "OFIRIHandler.h"
#import "OFDictionary.h"
#import "OFIRI.h"
#import "OFNumber.h"





#import "OFArchiveIRIHandler.h"
#import "OFEmbeddedIRIHandler.h"
#ifdef OF_HAVE_FILES
# import "OFFileIRIHandler.h"
#endif
#if defined(OF_HAVE_SOCKETS) && defined(OF_HAVE_THREADS)
# import "OFHTTPIRIHandler.h"
#endif

#import "OFUnsupportedProtocolException.h"

static OFMutableDictionary OF_GENERIC(OFString *, OFIRIHandler *) *handlers;










@implementation OFIRIHandler
@synthesize scheme = _scheme;

+ (void)initialize
{
	if (self != [OFIRIHandler class])
		return;

	handlers = [[OFMutableDictionary alloc] init];





	[self registerClass: [OFEmbeddedIRIHandler class]
		  forScheme: @"embedded"];
#ifdef OF_HAVE_FILES
	[self registerClass: [OFFileIRIHandler class] forScheme: @"file"];
#endif
#if defined(OF_HAVE_SOCKETS) && defined(OF_HAVE_THREADS)
	[self registerClass: [OFHTTPIRIHandler class] forScheme: @"http"];
	[self registerClass: [OFHTTPIRIHandler class] forScheme: @"https"];
#endif
	[self registerClass: [OFArchiveIRIHandler class] forScheme: @"gzip"];
	[self registerClass: [OFArchiveIRIHandler class] forScheme: @"lha"];
	[self registerClass: [OFArchiveIRIHandler class] forScheme: @"tar"];
	[self registerClass: [OFArchiveIRIHandler class] forScheme: @"zip"];
	[self registerClass: [OFArchiveIRIHandler class] forScheme: @"zoo"];
}

+ (bool)registerClass: (Class)class forScheme: (OFString *)scheme
{



	@synchronized (handlers) {
		OFIRIHandler *handler;

		if ([handlers objectForKey: scheme] != nil)
			return false;

		handler = [[class alloc] initWithScheme: scheme];
		@try {
			[handlers setObject: handler forKey: scheme];
		} @finally {
			[handler release];
		}



	}


	return true;
}

+ (OFIRIHandler *)handlerForIRI: (OFIRI *)IRI
{
	OF_KINDOF(OFIRIHandler *) handler;




	@synchronized (handlers) {
		handler = [handlers objectForKey: IRI.scheme];



	}


	if (handler == nil)
		@throw [OFUnsupportedProtocolException exceptionWithIRI: IRI];

	return handler;
}
︙︙

Modified src/OFKernelEventObserver.h from [d4eaadb46a] to [15425300f6].

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# include <exec/tasks.h>
#endif

OF_ASSUME_NONNULL_BEGIN

@class OFMutableArray OF_GENERIC(ObjectType);
@class OFDate;
#ifdef OF_HAVE_THREADS
@class OFMutex;
#endif
@class OFMutableData;

/**
 * @protocol OFKernelEventObserverDelegate
 *	     OFKernelEventObserver.h ObjFW/OFKernelEventObserver.h
 *
 * @brief A protocol that needs to be implemented by delegates for








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# include <exec/tasks.h>
#endif

OF_ASSUME_NONNULL_BEGIN

@class OFMutableArray OF_GENERIC(ObjectType);
@class OFDate;



@class OFMutableData;

/**
 * @protocol OFKernelEventObserverDelegate
 *	     OFKernelEventObserver.h ObjFW/OFKernelEventObserver.h
 *
 * @brief A protocol that needs to be implemented by delegates for
︙︙

Modified src/OFNotificationCenter.h from [42748590cb] to [ca155ce1ef].

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#import "OFObject.h"
#import "OFNotification.h"

OF_ASSUME_NONNULL_BEGIN

@class OFMutableDictionary OF_GENERIC(KeyType, ObjectType);
#ifdef OF_HAVE_THREADS
@class OFMutex;
#endif

#ifdef OF_HAVE_BLOCKS
/**
 * @brief A block which is called when a notification has been posted.
 *
 * @param notification The notification that has been posted
 */








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#import "OFObject.h"
#import "OFNotification.h"

OF_ASSUME_NONNULL_BEGIN

@class OFMutableDictionary OF_GENERIC(KeyType, ObjectType);




#ifdef OF_HAVE_BLOCKS
/**
 * @brief A block which is called when a notification has been posted.
 *
 * @param notification The notification that has been posted
 */
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 * @brief A class to send and register for notifications.
 */
#ifndef OF_NOTIFICATION_CENTER_M
OF_SUBCLASSING_RESTRICTED
#endif
@interface OFNotificationCenter: OFObject
{
#ifdef OF_HAVE_THREADS
	OFMutex *_mutex;
#endif
	OFMutableDictionary *_handles;
}

#ifdef OF_HAVE_CLASS_PROPERTIES
@property (class, readonly, nonatomic) OFNotificationCenter *defaultCenter;
#endif









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 * @brief A class to send and register for notifications.
 */
#ifndef OF_NOTIFICATION_CENTER_M
OF_SUBCLASSING_RESTRICTED
#endif
@interface OFNotificationCenter: OFObject
{



	OFMutableDictionary *_handles;
}

#ifdef OF_HAVE_CLASS_PROPERTIES
@property (class, readonly, nonatomic) OFNotificationCenter *defaultCenter;
#endif
︙︙

Modified src/OFNotificationCenter.m from [acdacb86e1] to [eb7640502b].

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#define OF_NOTIFICATION_CENTER_M

#include "config.h"

#import "OFNotificationCenter.h"
#import "OFArray.h"
#import "OFDictionary.h"
#ifdef OF_HAVE_THREADS
# import "OFMutex.h"
#endif
#import "OFSet.h"
#import "OFString.h"

#import "OFInvalidArgumentException.h"

@interface OFDefaultNotificationCenter: OFNotificationCenter
@end








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#define OF_NOTIFICATION_CENTER_M

#include "config.h"

#import "OFNotificationCenter.h"
#import "OFArray.h"
#import "OFDictionary.h"



#import "OFSet.h"
#import "OFString.h"

#import "OFInvalidArgumentException.h"

@interface OFDefaultNotificationCenter: OFNotificationCenter
@end
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}

- (instancetype)init
{
	self = [super init];

	@try {
#ifdef OF_HAVE_THREADS
		_mutex = [[OFMutex alloc] init];
#endif
		_handles = [[OFMutableDictionary alloc] init];
	} @catch (id e) {
		[self release];
		@throw e;
	}

	return self;
}

- (void)dealloc
{
#ifdef OF_HAVE_THREADS
	[_mutex release];
#endif
	[_handles release];

	[super dealloc];
}

- (void)of_addObserver: (OFNotificationCenterHandle *)handle
{
#ifdef OF_HAVE_THREADS
	[_mutex lock];
	@try {
#endif
		OFMutableSet *handlesForName =
		    [_handles objectForKey: handle->_name];

		if (handlesForName == nil) {
			handlesForName = [OFMutableSet set];
			[_handles setObject: handlesForName
				     forKey: handle->_name];
		}

		[handlesForName addObject: handle];
#ifdef OF_HAVE_THREADS
	} @finally {
		[_mutex unlock];
	}
#endif
}

- (void)addObserver: (id)observer
	   selector: (SEL)selector
	       name: (OFNotificationName)name
	     object: (id)object
{








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}

- (instancetype)init
{
	self = [super init];

	@try {



		_handles = [[OFMutableDictionary alloc] init];
	} @catch (id e) {
		[self release];
		@throw e;
	}

	return self;
}

- (void)dealloc
{



	[_handles release];

	[super dealloc];
}

- (void)of_addObserver: (OFNotificationCenterHandle *)handle
{



	@synchronized (_handles) {
		OFMutableSet *handlesForName =
		    [_handles objectForKey: handle->_name];

		if (handlesForName == nil) {
			handlesForName = [OFMutableSet set];
			[_handles setObject: handlesForName
				     forKey: handle->_name];
		}

		[handlesForName addObject: handle];



	}

}

- (void)addObserver: (id)observer
	   selector: (SEL)selector
	       name: (OFNotificationName)name
	     object: (id)object
{
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	if (![handle_ isKindOfClass: [OFNotificationCenterHandle class]])
		@throw [OFInvalidArgumentException exception];

	handle = handle_;
	pool = objc_autoreleasePoolPush();

	/* {} required to avoid -Wmisleading-indentation false positive. */
	if (![handle isKindOfClass: [OFNotificationCenterHandle class]]) {
		@throw [OFInvalidArgumentException exception];
	}

#ifdef OF_HAVE_THREADS
	[_mutex lock];
	@try {
#endif
		OFNotificationName name = [[handle->_name copy] autorelease];
		OFMutableSet *handlesForName = [_handles objectForKey: name];

		[handlesForName removeObject: handle];

		if (handlesForName.count == 0)
			[_handles removeObjectForKey: name];
#ifdef OF_HAVE_THREADS
	} @finally {
		[_mutex unlock];
	}
#endif

	objc_autoreleasePoolPop(pool);
}

- (void)removeObserver: (id)observer
	      selector: (SEL)selector
		  name: (OFNotificationName)name








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	if (![handle_ isKindOfClass: [OFNotificationCenterHandle class]])
		@throw [OFInvalidArgumentException exception];

	handle = handle_;
	pool = objc_autoreleasePoolPush();


	if (![handle isKindOfClass: [OFNotificationCenterHandle class]])
		@throw [OFInvalidArgumentException exception];

	@synchronized (_handles) {




		OFNotificationName name = [[handle->_name copy] autorelease];
		OFMutableSet *handlesForName = [_handles objectForKey: name];

		[handlesForName removeObject: handle];

		if (handlesForName.count == 0)
			[_handles removeObjectForKey: name];



	}


	objc_autoreleasePoolPop(pool);
}

- (void)removeObserver: (id)observer
	      selector: (SEL)selector
		  name: (OFNotificationName)name
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}

- (void)postNotification: (OFNotification *)notification
{
	void *pool = objc_autoreleasePoolPush();
	OFMutableArray *matchedHandles = [OFMutableArray array];

#ifdef OF_HAVE_THREADS
	[_mutex lock];
	@try {
#endif
		for (OFNotificationCenterHandle *handle in
		    [_handles objectForKey: notification.name])
			if (handle->_object == nil ||
			    handle->_object == notification.object)
				[matchedHandles addObject: handle];
#ifdef OF_HAVE_THREADS
	} @finally {
		[_mutex unlock];
	}
#endif

	for (OFNotificationCenterHandle *handle in matchedHandles) {
#ifdef OF_HAVE_BLOCKS
		if (handle->_block != NULL)
			handle->_block(notification);
		else {
#endif








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}

- (void)postNotification: (OFNotification *)notification
{
	void *pool = objc_autoreleasePoolPush();
	OFMutableArray *matchedHandles = [OFMutableArray array];




	@synchronized (_handles) {
		for (OFNotificationCenterHandle *handle in
		    [_handles objectForKey: notification.name])
			if (handle->_object == nil ||
			    handle->_object == notification.object)
				[matchedHandles addObject: handle];



	}


	for (OFNotificationCenterHandle *handle in matchedHandles) {
#ifdef OF_HAVE_BLOCKS
		if (handle->_block != NULL)
			handle->_block(notification);
		else {
#endif
︙︙

Fossil 2.23 [47362306a7] 2023-11-01 18:56:47
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