From 885d51a38a7d27227219d37738b67fd39064ec6a Mon Sep 17 00:00:00 2001
From: Jeff Roberson <jeff@FreeBSD.org>
Date: Sun, 2 Mar 2008 07:19:35 +0000
Subject: [PATCH]  - Add a new sched_affinity() api to be used in the upcoming
 cpuset    implementation.  - Add empty implementations of sched_affinity() to
 4BSD and ULE.

Sponsored by:	Nokia
---
 sys/kern/sched_4bsd.c | 5 +++++
 sys/kern/sched_ule.c  | 5 +++++
 sys/sys/sched.h       | 3 ++-
 3 files changed, 12 insertions(+), 1 deletion(-)

diff --git a/sys/kern/sched_4bsd.c b/sys/kern/sched_4bsd.c
index e1e5c916fb42..0357ea7bdcf7 100644
--- a/sys/kern/sched_4bsd.c
+++ b/sys/kern/sched_4bsd.c
@@ -1402,5 +1402,10 @@ sched_fork_exit(struct thread *td)
 	THREAD_LOCK_ASSERT(td, MA_OWNED | MA_NOTRECURSED);
 }
 
+void
+sched_affinity(struct thread *td)
+{
+}
+
 #define KERN_SWITCH_INCLUDE 1
 #include "kern/kern_switch.c"
diff --git a/sys/kern/sched_ule.c b/sys/kern/sched_ule.c
index 706adf94eb98..4445b0573348 100644
--- a/sys/kern/sched_ule.c
+++ b/sys/kern/sched_ule.c
@@ -2492,6 +2492,11 @@ sched_pctcpu(struct thread *td)
 	return (pctcpu);
 }
 
+void
+sched_affinity(struct thread *td)
+{
+}
+
 /*
  * Bind a thread to a target cpu.
  */
diff --git a/sys/sys/sched.h b/sys/sys/sched.h
index 5f225e1dcf04..91be1df2ab88 100644
--- a/sys/sys/sched.h
+++ b/sys/sys/sched.h
@@ -32,7 +32,7 @@
  */
 
 /*-
- * Copyright (c) 2002, Jeffrey Roberson <jeff@freebsd.org>
+ * Copyright (c) 2002-2008, Jeffrey Roberson <jeff@freebsd.org>
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -129,6 +129,7 @@ static __inline void sched_pin(void);
 void	sched_unbind(struct thread *td);
 static __inline void sched_unpin(void);
 int	sched_is_bound(struct thread *td);
+void	sched_affinity(struct thread *td);
 
 /*
  * These procedures tell the process data structure allocation code how