fix #10

AddHook passes a lock by the value: type Probe contains sync.RWMutex which is sync.Locker

Signed-off-by: CFC4N <cfc4n.cs@gmail.com>

manager.go

@@ -771,7 +771,7 @@ func (m *Manager) ClonePerfRing(name string, newName string, options MapOptions,
 // eBPF TC classifier to the newly created interface of a container. Make sure to specify a unique uid in the new probe,
 // you will need it if you want to detach the program later. The original program is selected using the provided UID and
 // the section provided in the new probe.
-func (m *Manager) AddHook(UID string, newProbe Probe) error {
+func (m *Manager) AddHook(UID string, newProbe *Probe) error {
 	oldID := ProbeIdentificationPair{UID, newProbe.EbpfFuncName}
 	// Look for the eBPF program
 	progs, found, err := m.GetProgram(oldID)
@@ -829,7 +829,7 @@ func (m *Manager) AddHook(UID string, newProbe Probe) error {
 	}
 
 	// Add probe to the list of probes
-	m.Probes = append(m.Probes, &newProbe)
+	m.Probes = append(m.Probes, newProbe)
 	return nil
 }
 
@@ -876,7 +876,7 @@ func (m *Manager) DetachHook(section string, UID string) error {
 // first create the new maps you need, then clone the program you're interested in and rewrite it with the new maps,
 // using a MapEditor. The original program is selected using the provided UID and the section provided in the new probe.
 // Note that the BTF based constant edition will note work with this method.
-func (m *Manager) CloneProgram(UID string, newProbe Probe, constantsEditors []ConstantEditor, mapEditors map[string]*ebpf.Map) error {
+func (m *Manager) CloneProgram(UID string, newProbe *Probe, constantsEditors []ConstantEditor, mapEditors map[string]*ebpf.Map) error {
 	oldID := ProbeIdentificationPair{UID, newProbe.EbpfFuncName}
 	// Find the program specs
 	progSpecs, found, err := m.GetProgramSpec(oldID)
@@ -933,7 +933,7 @@ func (m *Manager) CloneProgram(UID string, newProbe Probe, constantsEditors []Co
 	}
 
 	// Add probe to the list of probes
-	m.Probes = append(m.Probes, &newProbe)
+	m.Probes = append(m.Probes, newProbe)
 	return nil
 }