Add panic recover to ffi

shared/debug.go

@@ -3,8 +3,10 @@ package shared
 import (
 	"bytes"
 	"encoding/json"
+	"fmt"
 	"os"
 	"path/filepath"
+	"runtime/debug"
 
 	"github.com/sagernet/sing-box/option"
 )
@@ -20,3 +22,10 @@ func SaveCurrentConfig(path string, options option.Options) error {
 	}
 	return os.WriteFile(filepath.Join(path, "current-config.json"), buffer.Bytes(), 0777)
 }
+
+func DeferPanicToError(name string, err func(error)) {
+	if r := recover(); r != nil {
+		s := fmt.Errorf("%s panic: %s\n%s", name, r, string(debug.Stack()))
+		err(s)
+	}
+}