From 59e932c4b5d6dd2ffd0908c8e3174fea5a04ed79 Mon Sep 17 00:00:00 2001
From: Christian Thaeter <ct@pipapo.org>
Date: Sat, 25 Jul 2009 20:55:15 +0200
Subject: [PATCH] --- yaml --- r: 164573 b: refs/heads/master c:
 2bace8b95108746f6123d312f47f5bda4eb17a26 h: refs/heads/master i:   164571:
 6361c00892343304f530ca8d7141d2b869a80338 v: v3

---
 [refs]                             | 2 +-
 trunk/Documentation/hwmon/hpfall.c | 8 ++++++++
 2 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/[refs] b/[refs]
index ec1e88816602..ebe5eb57455e 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 8103b5cc6216d461047514d188248bd14873624a
+refs/heads/master: 2bace8b95108746f6123d312f47f5bda4eb17a26
diff --git a/trunk/Documentation/hwmon/hpfall.c b/trunk/Documentation/hwmon/hpfall.c
index d2f6711b468b..a3cfe1a5f964 100644
--- a/trunk/Documentation/hwmon/hpfall.c
+++ b/trunk/Documentation/hwmon/hpfall.c
@@ -16,6 +16,8 @@
 #include <stdint.h>
 #include <errno.h>
 #include <signal.h>
+#include <sys/mman.h>
+#include <sched.h>
 
 void write_int(char *path, int i)
 {
@@ -62,6 +64,7 @@ void ignore_me(void)
 int main(int argc, char *argv[])
 {
 	int fd, ret;
+	struct sched_param param;
 
 	fd = open("/dev/freefall", O_RDONLY);
 	if (fd < 0) {
@@ -69,6 +72,11 @@ int main(int argc, char *argv[])
 		return EXIT_FAILURE;
 	}
 
+	daemon(0, 0);
+	param.sched_priority = sched_get_priority_max(SCHED_FIFO);
+	sched_setscheduler(0, SCHED_FIFO, &param);
+	mlockall(MCL_CURRENT|MCL_FUTURE);
+
 	signal(SIGALRM, ignore_me);
 
 	for (;;) {