global/signal_handler: fix warning

Signed-off-by: Sage Weil <sage@redhat.com>

diff --git a/src/global/signal_handler.cc b/src/global/signal_handler.cc
index e202257efaefe2c18161cf468b7a6eef7559ce02..e18bca1429b6ff22a8452d6489069c6d3cba01e8 100644 (file)
--- a/src/global/signal_handler.cc
+++ b/src/global/signal_handler.cc
@@ -93,6 +93,7 @@ static void handle_fatal_signal(int signum)
   char buf[1024];
   char pthread_name[16] = {0}; //limited by 16B include terminating null byte.
   int r = pthread_getname_np(pthread_self(), pthread_name, sizeof(pthread_name));
+  (void)r;
 #if defined(__sun)
   char message[SIG2STR_MAX];
   sig2str(signum,message);