1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/console.c b/kernel/console.c
index 23a2d35..b8fa1de 100644
--- a/kernel/console.c
+++ b/kernel/console.c
@@ -89,7 +89,7 @@ consoleread(int user_dst, uint64 dst, int n)
     // wait until interrupt handler has put some
     // input into cons.buffer.
     while(cons.r == cons.w){
-      if(myproc()->killed){
+      if(__sync_add_and_fetch(&(myproc()->killed), 0)){
         release(&cons.lock);
         return -1;
       }