From 8b58e81077abf4e843873f16c03077e2fafce52d Mon Sep 17 00:00:00 2001
From: kaashoek <kaashoek>
Date: Wed, 23 Aug 2006 01:09:24 +0000
Subject: i/o redirection in sh better parsing of sh commands (copied from jos
 sh) cat: read from 1 if no args sbrk system call, but untested getpid system
 call moved locks in keyboard intr, but why do we get intr w. null characters
 from keyboard?

---
 userfs.c | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'userfs.c')

diff --git a/userfs.c b/userfs.c
index 25dfaf5..d1cd49e 100644
--- a/userfs.c
+++ b/userfs.c
@@ -20,6 +20,10 @@ main(void)
 
   printf(stdout, "userfs is running\n");
 
+  if (sbrk(4096) < 0) {
+    printf(stdout, "sbrk failed\n");
+  }
+
   fd = open("echo", 0);
   if(fd >= 0){
     printf(stdout, "open echo ok\n");
-- 
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