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backend/sdk/cliproxy/executor/lifecycle.go

@@ -0,0 +1,33 @@
+package executor
+
+import (
+	"errors"
+	"io"
+	"sync"
+)
+
+// ExecutionLifecycle owns resources associated with an execution attempt.
+type ExecutionLifecycle interface {
+	Bind(func() error) error
+	End(string)
+}
+
+// BindExecutionResource binds a closer to the execution lifecycle.
+func BindExecutionResource(opts Options, closer io.Closer) error {
+	if opts.ExecutionLifecycle == nil || closer == nil {
+		return nil
+	}
+
+	var closeOnce sync.Once
+	var closeErr error
+	closeResource := func() error {
+		closeOnce.Do(func() {
+			closeErr = closer.Close()
+		})
+		return closeErr
+	}
+	if errBind := opts.ExecutionLifecycle.Bind(closeResource); errBind != nil {
+		return errors.Join(errBind, closeResource())
+	}
+	return nil
+}