Add reload platform command

experimental/libbox/command_conntrack.go

@@ -0,0 +1,30 @@
+//go:build darwin
+
+package libbox
+
+import (
+	"encoding/binary"
+	"net"
+	runtimeDebug "runtime/debug"
+	"time"
+
+	"github.com/sagernet/sing-box/common/dialer/conntrack"
+)
+
+func ClientCloseConnections(sharedDirectory string) error {
+	conn, err := clientConnect(sharedDirectory)
+	if err != nil {
+		return err
+	}
+	defer conn.Close()
+	return binary.Write(conn, binary.BigEndian, uint8(CommandCloseConnections))
+}
+
+func (s *CommandServer) handleCloseConnections(conn net.Conn) error {
+	conntrack.Close()
+	go func() {
+		time.Sleep(time.Second)
+		runtimeDebug.FreeOSMemory()
+	}()
+	return nil
+}