* thread_pthread.c (thread_timer): ignore unknown errno.

(we observed that select(2) was canceled by errno=514 on
  boron == Linux/Xen environment)



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@32325 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,9 @@
+Thu Jun 30 19:09:19 2011  Koichi Sasada  <ko1@atdot.net>
+
+	* thread_pthread.c (thread_timer): ignore unknown errno.
+	 (we observed that select(2) was canceled by errno=514 on
+	  boron == Linux/Xen environment)
+
 Thu Jun 30 17:33:25 2011  Koichi Sasada  <ko1@atdot.net>
 
 	* ext/objspace/objspace.c (ObjectSpace.count_tdata_objects): 

thread_pthread.c

@@ -1104,12 +1104,15 @@ thread_timer(void *p)
 	    consume_communication_pipe();
 	}
 	else { /* result < 0 */
-	    if (errno == EINTR) {
-		/* interrupted. ignore */
-	    }
-	    else {
-		rb_async_bug_errno("thread_timer: select", errno);
-	    }
+	  switch (errno) {
+	    case EBADF:
+	    case EINVAL:
+	    case ENOMEM: /* from Linux man */
+	    case EFAULT: /* from FreeBSD man */
+	      rb_async_bug_errno("thread_timer: select", errno);
+	    default:
+	      /* ignore */;
+	  }
 	}
     }