Move app to a dedicated folder

Telegram/Watch/Extension/SSignalKit/SThreadPoolTask.m

@@ -0,0 +1,53 @@
+#import "SThreadPoolTask.h"
+
+@interface SThreadPoolTaskState : NSObject
+{
+    @public
+    bool _cancelled;
+}
+
+@end
+
+@implementation SThreadPoolTaskState
+
+@end
+
+@interface SThreadPoolTask ()
+{
+    void (^_block)(bool (^)());
+    SThreadPoolTaskState *_state;
+}
+
+@end
+
+@implementation SThreadPoolTask
+
+- (instancetype)initWithBlock:(void (^)(bool (^)()))block
+{
+    self = [super init];
+    if (self != nil)
+    {
+        _block = [block copy];
+        _state = [[SThreadPoolTaskState alloc] init];
+    }
+    return self;
+}
+
+- (void)execute
+{
+    if (_state->_cancelled)
+        return;
+    
+    SThreadPoolTaskState *state = _state;
+    _block(^bool
+    {
+        return state->_cancelled;
+    });
+}
+
+- (void)cancel
+{
+    _state->_cancelled = true;
+}
+
+@end