From 5881aefc53a46475b500fa86314c836b44a942b7 Mon Sep 17 00:00:00 2001
From: David du Colombier <0intro@gmail.com>
Date: Thu, 12 Sep 2002 00:00:00 +0000
Subject: [PATCH] Plan 9 from Bell Labs 2002-09-12

---
 port/edf.c |  1 -
 port/edf.h | 12 +++++++-----
 2 files changed, 7 insertions(+), 6 deletions(-)

diff --git a/port/edf.c b/port/edf.c
index 950d2c1c4c8637d7c085015a0c4b680bebc3be13..7b33ee2965d819c38a88eee93b334152df6c65c4 100644
--- a/port/edf.c
+++ b/port/edf.c
@@ -733,7 +733,6 @@ edfrunproc(void)
 		edfpush(nt);
 		t = nt;
 		t->scheduled = now;
-		t->periods++;
 	}else{
 		DPRINT("%d edfrunproc: current\n", m->machno);
 	}
diff --git a/port/edf.h b/port/edf.h
index c8f2807f6e3c2ec63b7ca29898b15db3309f08ef..5ec3e5c403272849bef1e39f19c1a4202c731ebd 100644
--- a/port/edf.h
+++ b/port/edf.h
@@ -11,11 +11,12 @@ enum {
 	Useblocking = 0x2,
 };
 
-typedef vlong	Time;
-typedef uvlong	Ticks;
+typedef vlong				Time;
+typedef uvlong				Ticks;
 
 typedef struct Task			Task;
 typedef struct Resource		Resource;
+typedef struct ResourceItem	ResourceItem;
 typedef struct Edf			Edf;
 typedef struct Taskq			Taskq;
 typedef struct List			List;
@@ -38,13 +39,13 @@ enum Edfstate {
 typedef enum Edfstate	Edfstate;
 
 struct List {
-	List	*	next;	/* next in list */
+	List	*	next;		/* next in list */
 	void	*	i;		/* item in list */
 };
 
 struct Head {
-	List	*next;	/* First item in list */
-	int	n;		/* number of items in list */
+	List	*next;		/* First item in list */
+	int	n;			/* number of items in list */
 };
 
 struct Edf {
@@ -108,6 +109,7 @@ struct Resource
 struct ResourceItem {
 	List;			/* links and identifies the resource (must be first) */
 	Ticks	C;	/* cost */
+	int		x;	/* exclusive access (as opposed to shared-read access) */
 	Head	h;	/* sub resource items */
 };