Differences From Artifact [4544515edf]:
- File src/runtime/arc.m — part of check-in [8f271bed22] at 2020-12-20 03:06:55 on branch trunk — Let OF_ENSURE use OBJC_ERROR in runtime (user: js, size: 5540) [annotate] [blame] [check-ins using] [more...]
To Artifact [0378415cdf]:
- File
src/runtime/arc.m
— part of check-in
[5b37fbeb82]
at
2020-12-20 21:26:08
on branch trunk
— Return error instead of using errno for threading
errno is problematic for Amiga libraries and is also not thread-safe on
some systems, even though it should. (user: js, size: 5576) [annotate] [blame] [check-ins using] [more...]
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}
OF_CONSTRUCTOR()
{
hashtable = objc_hashtable_new(hash, equal, 2);
#ifdef OF_HAVE_THREADS
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}
OF_CONSTRUCTOR()
{
hashtable = objc_hashtable_new(hash, equal, 2);
#ifdef OF_HAVE_THREADS
if (of_spinlock_new(&spinlock) != 0)
OBJC_ERROR("Failed to create spinlock!");
#endif
}
id
objc_retain(id object)
{
|
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id
objc_storeWeak(id *object, id value)
{
struct weak_ref *old;
#ifdef OF_HAVE_THREADS
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id
objc_storeWeak(id *object, id value)
{
struct weak_ref *old;
#ifdef OF_HAVE_THREADS
if (of_spinlock_lock(&spinlock) != 0)
OBJC_ERROR("Failed to lock spinlock!");
#endif
if (*object != nil &&
(old = objc_hashtable_get(hashtable, *object)) != NULL) {
for (size_t i = 0; i < old->count; i++) {
if (old->locations[i] == object) {
|
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175 176 177 178 179 180 181 | ref->locations[ref->count++] = object; } else value = nil; *object = value; #ifdef OF_HAVE_THREADS | | | | | 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 |
ref->locations[ref->count++] = object;
} else
value = nil;
*object = value;
#ifdef OF_HAVE_THREADS
if (of_spinlock_unlock(&spinlock) != 0)
OBJC_ERROR("Failed to unlock spinlock!");
#endif
return value;
}
id
objc_loadWeakRetained(id *object)
{
id value = nil;
struct weak_ref *ref;
#ifdef OF_HAVE_THREADS
if (of_spinlock_lock(&spinlock) != 0)
OBJC_ERROR("Failed to lock spinlock!");
#endif
if (*object != nil &&
(ref = objc_hashtable_get(hashtable, *object)) != NULL)
value = *object;
#ifdef OF_HAVE_THREADS
if (of_spinlock_unlock(&spinlock) != 0)
OBJC_ERROR("Failed to unlock spinlock!");
#endif
if (class_respondsToSelector(object_getClass(value),
@selector(retainWeakReference)) && [value retainWeakReference])
return value;
|
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void
objc_moveWeak(id *dest, id *src)
{
struct weak_ref *ref;
#ifdef OF_HAVE_THREADS
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void
objc_moveWeak(id *dest, id *src)
{
struct weak_ref *ref;
#ifdef OF_HAVE_THREADS
if (of_spinlock_lock(&spinlock) != 0)
OBJC_ERROR("Failed to lock spinlock!");
#endif
if (*src != nil &&
(ref = objc_hashtable_get(hashtable, *src)) != NULL) {
for (size_t i = 0; i < ref->count; i++) {
if (ref->locations[i] == src) {
ref->locations[i] = dest;
break;
}
}
}
*dest = *src;
*src = nil;
#ifdef OF_HAVE_THREADS
if (of_spinlock_unlock(&spinlock) != 0)
OBJC_ERROR("Failed to unlock spinlock!");
#endif
}
void
objc_zero_weak_references(id value)
{
struct weak_ref *ref;
#ifdef OF_HAVE_THREADS
if (of_spinlock_lock(&spinlock) != 0)
OBJC_ERROR("Failed to lock spinlock!");
#endif
if ((ref = objc_hashtable_get(hashtable, value)) != NULL) {
for (size_t i = 0; i < ref->count; i++)
*ref->locations[i] = nil;
objc_hashtable_delete(hashtable, value);
free(ref->locations);
free(ref);
}
#ifdef OF_HAVE_THREADS
if (of_spinlock_unlock(&spinlock) != 0)
OBJC_ERROR("Failed to unlock spinlock!");
#endif
}
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