print out the error info when errno available

sj26 · Jun 30, 2010 · 122fcc3 · 122fcc3
1 parent ce98299
commit 122fcc3
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/ext/em.cpp b/ext/em.cpp
@@ -304,7 +304,7 @@ void EventMachine_t::_InitializeLoopBreaker()
 	#ifdef OS_UNIX
 	int fd[2];
 	if (pipe (fd))
-		throw std::runtime_error ("no loop breaker");
+		throw std::runtime_error (std::strerror(errno));
 
 	LoopBreakerWriter = fd[1];
 	LoopBreakerReader = fd[0];