/*
- * Copyright (c) 2008, 2009, 2010, 2011 Nicira Networks.
+ * Copyright (c) 2008, 2009, 2010, 2011, 2012 Nicira Networks.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
static struct timespec wall_time;
static struct timespec monotonic_time;
+/* The monotonic time at which the time module was initialized. */
+static long long int boot_time;
+
/* Fixed monotonic time offset, for use by unit tests. */
static struct timespec warp_offset;
static void timespec_add(struct timespec *sum,
const struct timespec *a, const struct timespec *b);
-/* Initializes the timetracking module.
- *
- * It is not necessary to call this function directly, because other time
- * functions will call it automatically, but it doesn't hurt. */
+/* Initializes the timetracking module, if not already initialized. */
static void
time_init(void)
{
set_up_signal(SA_RESTART);
set_up_timer();
+ boot_time = time_msec();
}
static void
return (long long int) tv->tv_sec * 1000 + tv->tv_usec / 1000;
}
+/* Returns the monotonic time at which the "time" module was initialized, in
+ * milliseconds(). */
+long long int
+time_boot_msec(void)
+{
+ time_init();
+ return boot_time;
+}
+
void
xgettimeofday(struct timeval *tv)
{