Merge commit '7621e2f8dec938cf48181c8b10afc9b01f444e68' into beta

2026-08-09 15:56:02 +02:00 · 2025-12-06 02:17:48 +04:00
commit 8344b97e03
28070 changed files with 7995182 additions and 0 deletions
@@ -0,0 +1,53 @@
+#import "SMetaDisposable.h"
+
+#import <libkern/OSAtomic.h>
+
+@interface SMetaDisposable ()
+{
+    OSSpinLock _lock;
+    bool _disposed;
+    id<SDisposable> _disposable;
+}
+
+@end
+
+@implementation SMetaDisposable
+
+- (void)setDisposable:(id<SDisposable>)disposable
+{
+    id<SDisposable> previousDisposable = nil;
+    bool dispose = false;
+    
+    OSSpinLockLock(&_lock);
+    dispose = _disposed;
+    if (!dispose)
+    {
+        previousDisposable = _disposable;
+        _disposable = disposable;
+    }
+    OSSpinLockUnlock(&_lock);
+    
+    if (previousDisposable != nil)
+        [previousDisposable dispose];
+    
+    if (dispose)
+        [disposable dispose];
+}
+
+- (void)dispose
+{
+    id<SDisposable> disposable = nil;
+    
+    OSSpinLockLock(&_lock);
+    if (!_disposed)
+    {
+        disposable = _disposable;
+        _disposed = true;
+    }
+    OSSpinLockUnlock(&_lock);
+    
+    if (disposable != nil)
+        [disposable dispose];
+}
+
+@end