From c9b3af92c43cb649137c88eaa48802197a4bbb06 Mon Sep 17 00:00:00 2001
From: Carl Hetherington <cth@carlh.net>
Date: Sat, 13 Jan 2024 13:34:46 +0100
Subject: Add cancel() to ScopeGuard.

---
 src/scope_guard.h | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

(limited to 'src')

diff --git a/src/scope_guard.h b/src/scope_guard.h
index 37b963ad..d422528c 100644
--- a/src/scope_guard.h
+++ b/src/scope_guard.h
@@ -61,11 +61,19 @@ public:
 
 	~ScopeGuard()
 	{
-		_function();
+		if (!_cancelled) {
+			_function();
+		}
+	}
+
+	void cancel()
+	{
+		_cancelled = true;
 	}
 
 private:
 	std::function<void()> _function;
+	bool _cancelled = false;
 };
 
 
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