From a255eea7ebe772851b38135146084af52b914c05 Mon Sep 17 00:00:00 2001
From: Stefan de Konink <skinkie@xs4all.nl>
Date: Sat, 9 Aug 2008 20:43:55 +0200
Subject: [PATCH] Still locking to do

---
 experiment5.c | 11 +++--------
 1 file changed, 3 insertions(+), 8 deletions(-)

diff --git a/experiment5.c b/experiment5.c
index 927e366..39eb9cb 100644
--- a/experiment5.c
+++ b/experiment5.c
@@ -2,6 +2,7 @@
 #include <stdlib.h>
 #include <unistd.h>
 #include <string.h>
+#include <sys/file.h>
 
 typedef struct line LINE;
 
@@ -174,9 +175,6 @@ static char * print_ip(unsigned long int ipaddress) {
 static int print_forget(char *path) {
     FILE *fd = fopen(path, "w+");
 
-    if (fd)
-        flock(fd, LOCK_EX);
-
     LINE *step = first;
     while (step) {
         LINE *this = step;
@@ -195,10 +193,8 @@ static int print_forget(char *path) {
         free(this); 
     }
 
-    if (fd) {
-        flock(fd, LOCK_UN);
+    if (fd)
         fclose(fd);
-    }
 
     return 0;
 }
@@ -273,12 +269,10 @@ static char * loader(char *cabinet) {
 
     if ((fd = fopen(pad, "r")) != NULL) {
         char line[128];
-        flock(fd, LOCK_EX);
         while (!feof(fd)) {
             if (fgets(line, 128, fd) > 0)
                 add_line(line);
         }
-        flock(fd, LOCK_UN);
         fclose(fd);
     }
 
@@ -286,6 +280,7 @@ static char * loader(char *cabinet) {
 }
 
 /* Exported functions */
+/* TODO: implement better locking */
 
 int removeOldMac(char *cabinet, char *mac) {
     char *pad = loader(cabinet);
-- 
2.11.4.GIT