userspace/wrsw_hal: replace gettimeofday() with monotinic clock_gettime

Problem simillar to bug 1164.

Check commit:
userspace/snmpd: bugfix 1164, replace time() with monotinic version

Signed-off-by: Adam Wujek <adam.wujek@cern.ch>

userspace/wrsw_hal/timeout.h

@@ -4,6 +4,7 @@
 #include <stdio.h>
 #include <stdint.h>
 #include <sys/time.h>
+#include "libwr/util.h"
 
 typedef struct {
 	int repeat;
@@ -11,35 +12,26 @@ typedef struct {
 	uint64_t timeout;
 } timeout_t;
 
-static inline uint64_t tm_get_tics(void)
-{
-	struct timezone tz = { 0, 0 };
-	struct timeval tv;
-	gettimeofday(&tv, &tz);
-
-	return (uint64_t) tv.tv_sec * 1000000ULL + (uint64_t) tv.tv_usec;
-}
-
 static inline int tmo_init(timeout_t * tmo, uint32_t milliseconds, int repeat)
 {
 	tmo->repeat = repeat;
-	tmo->start_tics = tm_get_tics();
+	tmo->start_tics = get_monotonic_tics();
 	tmo->timeout = (uint64_t) milliseconds *1000ULL;
 	return 0;
 }
 
 static inline int tmo_restart(timeout_t * tmo)
 {
-	tmo->start_tics = tm_get_tics();
+	tmo->start_tics = get_monotonic_tics();
 	return 0;
 }
 
 static inline int tmo_expired(timeout_t * tmo)
 {
-	int expired = (tm_get_tics() - tmo->start_tics > tmo->timeout);
+	int expired = (get_monotonic_tics() - tmo->start_tics > tmo->timeout);
 
 	if (tmo->repeat && expired)
-		tmo->start_tics = tm_get_tics();
+		tmo->start_tics = get_monotonic_tics();
 
 	return expired;
 }