do not replace proto_ip dns servers on config reload

[project/netifd.git] / main.c

diff --git a/main.c b/main.c
index 4282e4a..4ee86eb 100644 (file)
--- a/main.c
+++ b/main.c
@@ -1,3 +1,16 @@
+/*
+ * netifd - network interface daemon
+ * Copyright (C) 2012 Felix Fietkau <nbd@openwrt.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2
+ * as published by the Free Software Foundation
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
@@ -46,6 +59,7 @@ netifd_delete_process(struct netifd_process *proc)
                uloop_process_delete(&proc->uloop);
        list_del(&proc->list);
        netifd_fd_delete(&proc->log_fd);
+       close(proc->log_fd.fd);
        if (proc->log_buf) {
                free(proc->log_buf);
                proc->log_buf = NULL;
@@ -90,7 +104,7 @@ retry:
        maxlen = LOG_BUF_SIZE - proc->log_buf_ofs;
        read_len = len = read(fd->fd, buf, maxlen);
        if (len < 0) {
-               if (errno == EAGAIN)
+               if (errno == EINTR)
                        goto retry;
 
                goto out;
@@ -99,9 +113,13 @@ retry:
 
        proc->log_buf_ofs += len;
 
-       cur = buf;
+       len = proc->log_buf_ofs;
        buf = proc->log_buf;
-       while (len > 0 && (cur = memchr(cur, '\n', len))) {
+       while (len > 0) {
+               cur = memchr(buf, '\n', len);
+               if (!cur)
+                       break;
+
                *cur = 0;
 
                if (!proc->log_overflow)
@@ -116,7 +134,7 @@ retry:
        }
 
        if (buf > proc->log_buf && len > 0)
-               memmove(buf, proc->log_buf, len);
+               memmove(proc->log_buf, buf, len);
 
        if (len == LOG_BUF_SIZE) {
                if (!proc->log_overflow) {
@@ -129,7 +147,7 @@ retry:
        }
        proc->log_buf_ofs = len;
 
-       if (read_len == maxlen)
+       if (read_len > 0)
                goto retry;
 
 out:
@@ -219,7 +237,7 @@ netifd_kill_process(struct netifd_process *proc)
        if (!proc->uloop.pending)
                return;
 
-       kill(proc->uloop.pid, SIGTERM);
+       kill(proc->uloop.pid, SIGKILL);
        netifd_delete_process(proc);
 }