Fix pidToPath on FreeBSD

daemon/2server.go

@@ -99,7 +99,7 @@ func handleConn(conn net.Conn) {
 
 // pidToPath returns the path of the executable that has the given PID.
 func pidToPath(pid int) string {
-	path, _ := os.Readlink(fmt.Sprintf("/proc/%d/exe", pid))
+	path, _ := os.Readlink(fmt.Sprintf("/proc/%d/"+pidPathFile, pid))
 	return path
 }
 

daemon/2serverFreeBSD.go

@@ -0,0 +1,5 @@
+//go:build freebsd
+
+package daemon
+
+const pidPathFile = "file"

daemon/2serverLinux.go

@@ -0,0 +1,5 @@
+//go:build linux
+
+package daemon
+
+const pidPathFile = "exe"