From b61c2547b8b489cab16984c0940a1cb6593a2a3d Mon Sep 17 00:00:00 2001
From: rtm <rtm>
Date: Mon, 26 Jun 2006 20:31:52 +0000
Subject: system call return values initialize 2nd cpu's idt

---
 proc.c | 1 +
 1 file changed, 1 insertion(+)

(limited to 'proc.c')

diff --git a/proc.c b/proc.c
index 9247cc7..e8a911d 100644
--- a/proc.c
+++ b/proc.c
@@ -73,6 +73,7 @@ newproc()
   // set up kernel stack to return to user space
   np->tf = (struct Trapframe *) (np->kstack + KSTACKSIZE - sizeof(struct Trapframe));
   *(np->tf) = *(op->tf);
+  np->tf->tf_regs.reg_eax = 0; // so fork() returns 0 in child
   sp = (unsigned *) np->tf;
   *(--sp) = (unsigned) &trapret;  // for return from swtch()
   *(--sp) = 0;  // previous bp for leave in swtch()
-- 
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