--- wake-one/include/linux/sched.h.~1~	Tue Nov 14 15:46:00 2000
+++ wake-one/include/linux/sched.h	Tue Nov 14 15:46:33 2000
@@ -79,6 +79,7 @@
 #define TASK_ZOMBIE		4
 #define TASK_STOPPED		8
 #define TASK_SWAPPING		16
+#define TASK_EXCLUSIVE		32
 
 /*
  * Scheduling policies
--- wake-one/kernel/sched.c.~1~	Tue Nov 14 15:45:56 2000
+++ wake-one/kernel/sched.c	Tue Nov 14 15:55:33 2000
@@ -687,7 +687,7 @@
 		goto move_rr_last;
 move_rr_back:
 
-	switch (prev->state) {
+	switch (prev->state & ~TASK_EXCLUSIVE) {
 		case TASK_INTERRUPTIBLE:
 			if (signal_pending(prev)) {
 				prev->state = TASK_RUNNING;
@@ -852,6 +852,7 @@
 {
 	struct task_struct *p;
 	struct wait_queue *head, *next;
+	int wake_one = 0;
 
         if (!q)
 		goto out;
@@ -870,6 +871,11 @@
 		p = next->task;
 		next = next->next;
 		if (p->state & mode) {
+			if (p->state & TASK_EXCLUSIVE) {
+				if (wake_one)
+					continue;
+				wake_one = 1;
+			}
 			/*
 			 * We can drop the read-lock early if this
 			 * is the only/last process.
@@ -1179,7 +1185,7 @@
 	read_lock(&tasklist_lock);
 	for_each_task(p) {
 		if ((p->state == TASK_RUNNING ||
-		     p->state == TASK_UNINTERRUPTIBLE ||
+		     p->state & TASK_UNINTERRUPTIBLE ||
 		     p->state == TASK_SWAPPING))
 			nr += FIXED_1;
 	}
--- wake-one/kernel/signal.c.~1~	Tue Nov 14 15:45:59 2000
+++ wake-one/kernel/signal.c	Tue Nov 14 15:53:04 2000
@@ -394,7 +394,7 @@
 
 out:
 	spin_unlock_irqrestore(&t->sigmask_lock, flags);
-        if (t->state == TASK_INTERRUPTIBLE && signal_pending(t))
+        if (t->state & TASK_INTERRUPTIBLE && signal_pending(t))
                 wake_up_process(t);
 
 out_nolock:
--- wake-one/net/ipv4/tcp.c.~1~	Tue Nov 14 15:45:59 2000
+++ wake-one/net/ipv4/tcp.c	Tue Nov 14 15:56:26 2000
@@ -1630,7 +1630,7 @@
 
 	add_wait_queue(sk->sleep, &wait);
 	for (;;) {
-		current->state = TASK_INTERRUPTIBLE;
+		current->state = TASK_INTERRUPTIBLE | TASK_EXCLUSIVE;
 		release_sock(sk);
 		schedule();
 		lock_sock(sk);