From aa5d0028f094f400a3c4e497fec04e09c96a758c Mon Sep 17 00:00:00 2001
From: chyyuu <yuchen@mail.tsinghua.edu.cn>
Date: Wed, 17 Apr 2019 16:35:44 +0800
Subject: [PATCH] add unimplemented syscalls: SYS_GETGROUPS, SYS_SETGROUPS. Now
 busybox:id can run.

---
 kernel/src/syscall/mod.rs | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/kernel/src/syscall/mod.rs b/kernel/src/syscall/mod.rs
index f865a43..1545af6 100644
--- a/kernel/src/syscall/mod.rs
+++ b/kernel/src/syscall/mod.rs
@@ -208,6 +208,14 @@ pub fn syscall(id: usize, args: [usize; 6], tf: &mut TrapFrame) -> isize {
             warn!("sys_getpgid is unimplemented");
             Ok(0)
         }
+        SYS_GETGROUPS=> {
+            warn!("sys_getgroups is unimplemented");
+            Ok(0)
+        }
+        SYS_SETGROUPS=> {
+            warn!("sys_setgroups is unimplemented");
+            Ok(0)
+        }
         SYS_SIGALTSTACK => {
             warn!("sys_sigaltstack is unimplemented");
             Ok(0)