diff --git a/agent/agent.go b/agent/agent.go index 39bcbd5..330d221 100644 --- a/agent/agent.go +++ b/agent/agent.go @@ -75,7 +75,7 @@ type Options struct { // Note: The agent exposes an endpoint via a TCP connection that can be used by // any program on the system. Review your security requirements before starting // the agent. -func Listen(opts Options) (err error) { +func Listen(opts Options) error { mu.Lock() defer mu.Unlock() @@ -87,10 +87,13 @@ func Listen(opts Options) (err error) { if addr == "" { addr = defaultAddr } + var lc net.ListenConfig if opts.ReuseSocketAddrAndPort { lc.Control = setReuseAddrAndPortSockopts } + + var err error listener, err = lc.Listen(context.Background(), "tcp", addr) if err != nil { return err @@ -135,7 +138,7 @@ func listen(l net.Listener) { } } -func saveConfig(opts Options, port int) (err error) { +func saveConfig(opts Options, port int) error { gopsdir := opts.ConfigDir if gopsdir == "" { cfgDir, err := internal.ConfigDir() @@ -145,7 +148,7 @@ func saveConfig(opts Options, port int) (err error) { gopsdir = cfgDir } - err = os.MkdirAll(gopsdir, os.ModePerm) + err := os.MkdirAll(gopsdir, os.ModePerm) if errors.Is(err, syscall.EROFS) || errors.Is(err, syscall.EPERM) { // ignore and work in remote mode only return nil } diff --git a/goprocess/goprocess.go b/goprocess/goprocess.go index dd7eecf..bf9fa54 100644 --- a/goprocess/goprocess.go +++ b/goprocess/goprocess.go @@ -94,7 +94,7 @@ func findAll(pss []*process.Process, isGo isGoFunc, concurrencyLimit int) []P { } // Find finds info about the process identified with the given PID. -func Find(pid int) (p P, ok bool, err error) { +func Find(pid int) (P, bool, error) { pr, err := process.NewProcess(int32(pid)) if err != nil { return P{}, false, err