From: Sage Weil <sage@newdream.net>
Date: Tue, 14 Feb 2012 17:09:39 +0000 (-0800)
Subject: signals: check write(2) return values
X-Git-Tag: v0.43~81
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=2aafdeada8b779413ba491efbdce6528d5f79cc6;p=ceph.git

signals: check write(2) return values

Signed-off-by: Sage Weil <sage@newdream.net>
---

diff --git a/src/global/signal_handler.cc b/src/global/signal_handler.cc
index b44cdd9d825a..2ce2f06c1c7d 100644
--- a/src/global/signal_handler.cc
+++ b/src/global/signal_handler.cc
@@ -167,7 +167,8 @@ struct SignalHandler : public Thread {
   }
 
   void signal_thread() {
-    write(pipefd[1], "\0", 1);
+    int r = write(pipefd[1], "\0", 1);
+    assert(r == 1);
   }
 
   void shutdown() {
@@ -229,7 +230,8 @@ struct SignalHandler : public Thread {
     // have the signal handler defined without the handlers entry also
     // being filled in.
     assert(handlers[signum]);
-    write(handlers[signum]->pipefd[1], " ", 1);
+    int r = write(handlers[signum]->pipefd[1], " ", 1);
+    assert(r == 1);
   }
 
   void register_handler(int signum, signal_handler_t handler, bool oneshot);