From c0a5b44bc8261dec6d4ffaadb244ecbff962719b Mon Sep 17 00:00:00 2001
From: dzwdz
Date: Wed, 18 Aug 2021 20:23:59 +0200
Subject: await() 1: wait for child to die, without message passing

The length is a int, because the syscall will have a signed output. A
negative return value will mean an error (such as when it gets called
by a childless process).
---
 src/kernel/proc.h | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'src/kernel/proc.h')

diff --git a/src/kernel/proc.h b/src/kernel/proc.h
index 6bafca9..c4d9fe0 100644
--- a/src/kernel/proc.h
+++ b/src/kernel/proc.h
@@ -3,7 +3,9 @@
 
 enum process_state {
 	PS_RUNNING,
-	PS_DEAD,
+	PS_DEAD,    // return message wasn't collected
+	PS_DEADER,  // return message was collected
+	PS_WAITS4CHILDDEATH,
 };
 
 struct process {
-- 
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