Differences From Artifact [ea3b6b261c]:
- File
src/OFObject.m
— part of check-in
[5358e9ea6a]
at
2019-08-01 20:14:35
on branch trunk
— Split threading.[hm] into multiple files
This allows the runtime to only link against the parts it needs, without
pulling in unnecessary parts like thread spawning, TLS and conditions. (user: js, size: 30705) [annotate] [blame] [check-ins using]
To Artifact [c440638f52]:
- File src/OFObject.m — part of check-in [fbe84dc674] at 2019-08-18 22:22:34 on branch trunk — Optimize retain / release on AmigaOS (user: js, size: 31226) [annotate] [blame] [check-ins using]
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#elif defined(OF_OBJFW_RUNTIME)
# import "ObjFWRT.h"
#endif
#ifdef OF_WINDOWS
# include <windows.h>
#endif
#import "OFString.h"
#import "instance.h"
#if defined(OF_HAVE_ATOMIC_OPS)
# import "atomic.h"
#elif defined(OF_HAVE_THREADS)
# import "mutex.h"
#endif
#if defined(OF_HAVE_FORWARDING_TARGET_FOR_SELECTOR)
extern id of_forward(id, SEL, ...);
extern struct stret of_forward_stret(id, SEL, ...);
#else
# define of_forward of_method_not_found
# define of_forward_stret of_method_not_found_stret
#endif
struct pre_ivar {
int retainCount;
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#elif defined(OF_OBJFW_RUNTIME)
# import "ObjFWRT.h"
#endif
#ifdef OF_WINDOWS
# include <windows.h>
#endif
#ifdef OF_AMIGAOS
# include <proto/exec.h>
#endif
#import "OFString.h"
#import "instance.h"
#if defined(OF_HAVE_ATOMIC_OPS)
# import "atomic.h"
#elif defined(OF_HAVE_THREADS)
# import "mutex.h"
#endif
#if defined(OF_HAVE_FORWARDING_TARGET_FOR_SELECTOR)
extern id of_forward(id, SEL, ...);
extern struct stret of_forward_stret(id, SEL, ...);
#else
# define of_forward of_method_not_found
# define of_forward_stret of_method_not_found_stret
#endif
struct pre_ivar {
int retainCount;
#if !defined(OF_HAVE_ATOMIC_OPS) && !defined(OF_AMIGAOS)
of_spinlock_t retainCountSpinlock;
#endif
struct pre_mem *firstMem, *lastMem;
};
struct pre_mem {
struct pre_mem *prev, *next;
|
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if OF_UNLIKELY (instance == nil) {
allocFailedException.isa = [OFAllocFailedException class];
@throw (id)&allocFailedException;
}
((struct pre_ivar *)instance)->retainCount = 1;
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if OF_UNLIKELY (instance == nil) {
allocFailedException.isa = [OFAllocFailedException class];
@throw (id)&allocFailedException;
}
((struct pre_ivar *)instance)->retainCount = 1;
#if !defined(OF_HAVE_ATOMIC_OPS) && !defined(OF_AMIGAOS)
if OF_UNLIKELY (!of_spinlock_new(
&((struct pre_ivar *)instance)->retainCountSpinlock)) {
free(instance);
@throw [OFInitializationFailedException
exceptionWithClass: class];
}
#endif
|
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object: self];
}
- (instancetype)retain
{
#if defined(OF_HAVE_ATOMIC_OPS)
of_atomic_int_inc(&PRE_IVARS->retainCount);
#else
OF_ENSURE(of_spinlock_lock(&PRE_IVARS->retainCountSpinlock));
PRE_IVARS->retainCount++;
OF_ENSURE(of_spinlock_unlock(&PRE_IVARS->retainCountSpinlock));
#endif
return self;
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object: self];
}
- (instancetype)retain
{
#if defined(OF_HAVE_ATOMIC_OPS)
of_atomic_int_inc(&PRE_IVARS->retainCount);
#elif defined(OF_AMIGAOS)
/*
* On AmigaOS, we can only have one CPU. As increasing a variable is a
* single instruction on M68K, we don't need Forbid() / Permit() on
* M68K.
*/
# ifndef OF_AMIGAOS_M68K
Forbid();
# endif
PRE_IVARS->retainCount++;
# ifndef OF_AMIGAOS_M68K
Permit();
# endif
#else
OF_ENSURE(of_spinlock_lock(&PRE_IVARS->retainCountSpinlock));
PRE_IVARS->retainCount++;
OF_ENSURE(of_spinlock_unlock(&PRE_IVARS->retainCountSpinlock));
#endif
return self;
|
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of_memory_barrier_release();
if (of_atomic_int_dec(&PRE_IVARS->retainCount) <= 0) {
of_memory_barrier_acquire();
[self dealloc];
}
#else
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of_memory_barrier_release();
if (of_atomic_int_dec(&PRE_IVARS->retainCount) <= 0) {
of_memory_barrier_acquire();
[self dealloc];
}
#elif defined(OF_AMIGAOS)
int retainCount;
Forbid();
retainCount = --PRE_IVARS->retainCount;
Permit();
if (retainCount == 0)
[self dealloc];
#else
int retainCount;
OF_ENSURE(of_spinlock_lock(&PRE_IVARS->retainCountSpinlock));
retainCount = --PRE_IVARS->retainCount;
OF_ENSURE(of_spinlock_unlock(&PRE_IVARS->retainCountSpinlock));
if (retainCount == 0)
[self dealloc];
#endif
}
- (instancetype)autorelease
{
return _objc_rootAutorelease(self);
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