Add MacOS support

daemon/2server.go

@@ -4,7 +4,6 @@ import (
 	"bytes"
 	"crypto/sha256"
 	"errors"
-	"fmt"
 	"io"
 	"log"
 	"net"
@@ -97,12 +96,6 @@ 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/"+pidPathFile, pid))
-	return path
-}
-
 // getFileHash returns the SHA256 hash of the file at the given path.
 func getFileHash(path string) []byte {
 	file, _ := os.Open(path)