t.diff

diff --git a/src/node_watchdog.cc b/src/node_watchdog.cc
index 34da4b0..bf4b596 100644
--- a/src/node_watchdog.cc
+++ b/src/node_watchdog.cc
@@ -20,7 +20,7 @@
 // USE OR OTHER DEALINGS IN THE SOFTWARE.
 
 #include "node_watchdog.h"
-#include <assert.h>
+#include "util.h"
 
 namespace node {
 
@@ -29,24 +29,24 @@ using v8::V8;
 
 Watchdog::Watchdog(uint64_t ms) : destroyed_(false) {
   loop_ = uv_loop_new();
-  if (!loop_)
-    abort();
+
+  CHECK(loop_ != NULL);
 
   int rc = uv_async_init(loop_, &async_, &Watchdog::Async);
-  if (rc)
-    abort();
+
+  CHECK(rc == 0);
 
   rc = uv_timer_init(loop_, &timer_);
-  if (rc)
-    abort();
+
+  CHECK(rc == 0);
 
   rc = uv_timer_start(&timer_, &Watchdog::Timer, ms, 0);
-  if (rc)
-    abort();
+
+  CHECK(rc == 0);
 
   rc = uv_thread_create(&thread_, &Watchdog::Run, this);
-  if (rc)
-    abort();
+
+  CHECK(rc == 0);
 }