ObjFW  Check-in [b4a9924066]

Overview
Comment:Make retain/release atomic.
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SHA3-256: b4a992406614143853ab4c4ddd0269bafae8574fa8615ed580fbccd6a31e508a
User & Date: js on 2010-01-24 18:54:58
Other Links: manifest | tags
Context
2010-01-24
20:07
Fix a missing return in objc_setProperty. check-in: 63c5c7d501 user: js tags: trunk
18:54
Make retain/release atomic. check-in: b4a9924066 user: js tags: trunk
2010-01-23
11:25
Make -[readLineWithEncoding:] compatible with \r\n linebreaks. check-in: 1421bc837b user: js tags: trunk
Changes
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Modified configure.ac from [37277c7aeb] to [7d51f7e767].

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	AC_SUBST(OFTHREAD_M, "OFThread.m")
	AC_SUBST(THREADING_H, "threading.h")

	AC_CHECK_FUNC(objc_sync_enter,, [
		AC_SUBST(OBJC_SYNC_M, "objc_sync.m")
		AC_DEFINE(NEED_OBJC_SYNC_INIT, 1,
			[Whether objc_sync_init needs to be called])])

	AC_CHECK_HEADER(libkern/OSAtomic.h, [
		AC_DEFINE(OF_HAVE_LIBKERN_OSATOMIC_H, 1,
			[Whether we have libkern/OSAtomic.h])])
fi

AC_CHECK_LIB(socket, socket, LIBS="$LIBS -lsocket")
AC_CHECK_LIB(ws2_32, main, LIBS="$LIBS -lws2_32")

AC_MSG_CHECKING(for getaddrinfo)
AC_TRY_COMPILE([
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Modified src/Makefile from [cdf0569045] to [45d69f835a].

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       unicode.m

INCLUDES := ${SRCS:.m=.h}	\
	    OFFastEnumeration.h	\
	    OFMacros.h		\
	    ObjFW.h		\
	    asprintf.h		\
	    atomic.h		\
	    objfw-defs.h	\
	    ${THREADING_H}

SRCS += ${AS_PRINTF_M} 		\
	iso_8859_15.m		\
	windows_1252.m		\
	${OBJC_PROPERTIES_M}	\
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Modified src/OFObject.m from [844da0afa5] to [1a2c0cda4c].

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#ifdef OF_APPLE_RUNTIME
# import <objc/runtime.h>
#endif
#ifdef OF_GNU_RUNTIME
# import <objc/sarray.h>
#endif

#import "atomic.h"

struct pre_ivar {
	void   **memchunks;
	size_t memchunks_size;
	size_t retain_count;
};

/* Hopefully no arch needs more than 16 bytes padding */
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	@throw [OFMemoryNotPartOfObjectException newWithClass: isa
						      pointer: ptr];
}

- retain
{
	PRE_IVAR->retain_count++;
	of_atomic_inc32(&PRE_IVAR->retain_count);

	return self;
}

- (size_t)retainCount
{
	return PRE_IVAR->retain_count;
}

- (void)release
{
	if (!--PRE_IVAR->retain_count)
	if (!of_atomic_dec32(&PRE_IVAR->retain_count))
		[self dealloc];
}

- autorelease
{
	[OFAutoreleasePool addObjectToTopmostPool: self];
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Added src/atomic.h version [34bfd081ab]. 




























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/*
 * Copyright (c) 2008 - 2009
 *   Jonathan Schleifer <js@webkeks.org>
 *
 * All rights reserved.
 *
 * This file is part of ObjFW. It may be distributed under the terms of the
 * Q Public License 1.0, which can be found in the file LICENSE included in
 * the packaging of this file.
 */

#import "objfw-defs.h"

#if !defined(OF_THREADS)
# define of_atomic_inc32(p) ++(*p)
# define of_atomic_dec32(p) --(*p)
#elif __GNUC_MINOR__ >= 1
# define of_atomic_inc32(p) __sync_add_and_fetch(p, 1)
# define of_atomic_dec32(p) __sync_sub_and_fetch(p, 1)
#elif OF_HAVE_LIBKERN_OSATOMIC_H
# include <libkern/OSAtomic.h>
# define of_atomic_inc32(p) OSAtomicIncrement32Barrier((int32_t*)(p))
# define of_atomic_dec32(p) OSAtomicDecrement32Barrier((int32_t*)(p))
#else
# error No atomic operations available!
#endif








Modified src/objfw-defs.h.in
from [42800a53ae]
to [a4810732ab].



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#undef OF_APPLE_RUNTIME
#undef OF_BIG_ENDIAN
#undef OF_GNU_RUNTIME
#undef OF_HAVE_ASPRINTF
#undef OF_HAVE_LIBKERN_OSATOMIC_H
#undef OF_PLUGINS
#undef OF_THREADS
#undef SIZE_MAX











  
  
 

 


  

    

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