1 files changed, 95 insertions, 0 deletions
diff --git a/timer.c b/timer.c
new file mode 100644
index 0000000..b78c560
--- /dev/null
+++ b/timer.c
@@ -0,0 +1,95 @@
+/*  $Id: timer.c,v 1.1.1.1 2010/07/17 17:30:32 culot Exp $  */
+
+/*
+ * Copyright (c) 2010 Frederic Culot <frederic@culot.org>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ *      - Redistributions of source code must retain the above
+ *        copyright notice, this list of conditions and the
+ *        following disclaimer.
+ *
+ *      - Redistributions in binary form must reproduce the above
+ *        copyright notice, this list of conditions and the
+ *        following disclaimer in the documentation and/or other
+ *        materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <sys/time.h>
+
+#include "oldrunner.h"
+
+#define  SEC2USEC  1000000
+
+void
+timer_get_time (struct timer *now)
+{
+  struct timeval t;
+
+  (void)gettimeofday (&t, 0);
+  now->time = (double)t.tv_sec * SEC2USEC + t.tv_usec;
+}
+
+void
+timer_start (struct timer *t)
+{
+  timer_get_time (t);
+}
+
+void
+timer_stop (struct timer *t)
+{
+  struct timer now;
+
+  timer_get_time (&now);
+  t->elapsed = timer_diff (t, &now);
+  t->time = now.time;
+}
+
+double
+timer_diff (const struct timer *t1, const struct timer *t2)
+{
+  return t1->time - t2->time;
+}
+
+double
+timer_elapsed (const struct timer *t)
+{
+  return t->elapsed;
+}
+
+void
+timer_set (const struct timer *orig, struct timer *dest)
+{
+  dest->time = orig->time;
+}
+
+void
+timer_add (struct timer *t, double val)
+{
+  t->time += val;
+}
+
+unsigned
+timer_delay_elapsed (struct timer *t, double delay)
+{
+  struct timer now;
+
+  timer_get_time (&now);
+  return timer_diff (&now, t) > delay ? 1 : 0;
+}