From f09a8c7c0507c66ca87474479ed6f1185aa76bde Mon Sep 17 00:00:00 2001
From: Michal Sojka <sojkam1@fel.cvut.cz>
Date: Mon, 15 Jun 2009 10:56:10 +0200
Subject: [PATCH] Added mlockall() when using real-time priority

---
 src/vca_canping.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/vca_canping.c b/src/vca_canping.c
index ca4e5ac..fc5ed82 100644
--- a/src/vca_canping.c
+++ b/src/vca_canping.c
@@ -45,6 +45,7 @@
 
 #ifdef WITH_RTPRIO
 #include <sched.h>
+#include <sys/mman.h>
 
 int sched_policy = SCHED_OTHER;
 int sched_rtprio;
@@ -762,9 +763,11 @@ int main(int argc, char *argv[])
 	parse_options(argc, argv);
 
 #ifdef WITH_RTPRIO
-	if(sched_policy != SCHED_OTHER)
+	if(sched_policy != SCHED_OTHER) {
 		if(set_sched_policy_and_prio(sched_policy, sched_rtprio) <0)
 			exit(EXIT_BAD_PARAM);
+		mlockall(MCL_CURRENT | MCL_FUTURE);
+	}
 #endif
 
 
-- 
2.39.2