wdp-xflow: Remove wx structure from global list when closing.

[sliver-openvswitch.git] / lib / signals.c

diff --git a/lib/signals.c b/lib/signals.c
index 26eebcd..eabbcc3 100644 (file)
--- a/lib/signals.c
+++ b/lib/signals.c
@@ -1,17 +1,17 @@
 /*
  * Copyright (c) 2008, 2009 Nicira Networks.
  *
- * Permission to use, copy, modify, and/or distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
  *
- * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
- * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
- * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
- * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
- * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
- * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
  */
 
 #include <config.h>
@@ -98,7 +98,7 @@ bool
 signal_poll(struct signal *s)
 {
     char buf[_POSIX_PIPE_BUF];
-    read(fds[0], buf, sizeof buf);
+    ignore(read(fds[0], buf, sizeof buf));
     if (signaled[s->signr]) {
         signaled[s->signr] = 0;
         return true;
@@ -122,7 +122,7 @@ static void
 signal_handler(int signr)
 {
     if (signr >= 1 && signr < N_SIGNALS) {
-        write(fds[1], "", 1);
+        ignore(write(fds[1], "", 1));
         signaled[signr] = true;
     }
 }