From: Martin Prudek <prudemar@fel.cvut.cz>
Date: Fri, 8 May 2015 16:44:17 +0000 (+0200)
Subject: Added locking application in RAM.
X-Git-Url: https://rtime.felk.cvut.cz/gitweb/fpga/rpi-motor-control.git/commitdiff_plain/39d827dc2983dc8320d39797b12ccf78ba9737b5?ds=sidebyside

Added locking application in RAM.
---

diff --git a/pmsm-control/test_sw/misc.c b/pmsm-control/test_sw/misc.c
index 170bd54..906e29c 100644
--- a/pmsm-control/test_sw/misc.c
+++ b/pmsm-control/test_sw/misc.c
@@ -14,6 +14,7 @@
 #include <stdlib.h>
 #include <stdio.h> 	/*printf*/
 #include <pthread.h>
+#include <sys/mman.h> 	/*mlockall*/
 
 #include "misc.h"
 
@@ -35,6 +36,11 @@ void setup_environment(){
 	/*struktura pro signal handler*/
 	struct sigaction sighnd;
 
+	if (mlockall(MCL_FUTURE | MCL_CURRENT) < 0) {
+	    fprintf(stderr, "mlockall failed - cannot lock application in memory\n");
+	    exit(1);
+	 }
+
 	atexit(appl_stop);
 
 	/*nastaveni signalu pro vypnuti pomoci Ctrl+C*/