From 23ab6032ba330ab1fbc327adcfd3140b22ebb0c4 Mon Sep 17 00:00:00 2001
From: Tomoki Shirasawa <sira@popeye.cc.u-tokyo.ac.jp>
Date: Mon, 18 Aug 2014 16:25:24 +0900
Subject: [PATCH] don't close /dev/mcos

---
 executer/user/mcexec.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/executer/user/mcexec.c b/executer/user/mcexec.c
index a8f08d89..8208689b 100644
--- a/executer/user/mcexec.c
+++ b/executer/user/mcexec.c
@@ -1398,6 +1398,14 @@ return_execve2:
 			break;
 		}
 
+		case __NR_close:
+			if(w.sr.args[0] == fd)
+				ret = -EBADF;
+			else
+				ret = do_generic_syscall(&w);
+			do_syscall_return(fd, cpu, ret, 0, 0, 0, 0);
+			break;
+
 		default:
 			 ret = do_generic_syscall(&w);
 			 do_syscall_return(fd, cpu, ret, 0, 0, 0, 0);