From be0a7eacdab4443199ed0ed4379a84edc7c98fd6 Mon Sep 17 00:00:00 2001
From: rtm <rtm>
Date: Thu, 15 Jun 2006 19:58:01 +0000
Subject: sleep, wakeup, wait, exit

---
 proc.h | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

(limited to 'proc.h')

diff --git a/proc.h b/proc.h
index 39e1c49..6eba566 100644
--- a/proc.h
+++ b/proc.h
@@ -20,7 +20,10 @@ struct proc{
   char *mem; // start of process's physical memory
   unsigned sz; // total size of mem, including kernel stack
   char *kstack; // kernel stack, separate from mem so it doesn't move
-  enum { UNUSED, RUNNABLE, WAITING } state;
+  enum { UNUSED, RUNNABLE, WAITING, ZOMBIE } state;
+  int pid;
+  int ppid;
+  void *chan; // sleep
 
   struct Taskstate ts;  // only to give cpu address of kernel stack
   struct Segdesc gdt[NSEGS];
-- 
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