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@@ -0,0 +1,95 @@
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+/*
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+ * Timer
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+ *
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+ * Author:
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+ * Gonzalo Paniagua Javier ([email protected]
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+ *
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+ * (C) 2006 Novell, Inc.
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+ *
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+ * Permission is hereby granted, free of charge, to any person obtaining
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+ * a copy of this software and associated documentation files (the
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+ * "Software"), to deal in the Software without restriction, including
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+ * without limitation the rights to use, copy, modify, merge, publish,
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+ * distribute, sublicense, and/or sell copies of the Software, and to
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+ * permit persons to whom the Software is furnished to do so, subject to
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+ * the following conditions:
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+ *
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+ * The above copyright notice and this permission notice shall be
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+ * included in all copies or substantial portions of the Software.
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+ *
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+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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+ * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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+ * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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+ * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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+ */
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+#include <glib.h>
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+#include <sys/time.h>
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+
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+struct _GTimer {
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+ struct timeval start;
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+ struct timeval stop;
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+};
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+
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+GTimer *g_timer_new (void)
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+{
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+ GTimer *timer;
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+
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+ timer = g_new0 (GTimer, 1);
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+ g_timer_start (timer);
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+ return timer;
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+}
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+
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+void
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+g_timer_destroy (GTimer *timer)
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+{
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+ g_return_if_fail (timer != NULL);
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+ g_free (timer);
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+}
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+
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+void
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+g_timer_start (GTimer *timer)
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+{
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+ g_return_if_fail (timer != NULL);
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+ gettimeofday (&timer->start, NULL);
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+ memset (&timer->stop, 0, sizeof (struct timeval));
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+}
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+
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+void
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+g_timer_stop (GTimer *timer)
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+{
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+ g_return_if_fail (timer != NULL);
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+ gettimeofday (&timer->stop, NULL);
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+}
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+
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+gdouble
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+g_timer_elapsed (GTimer *timer, gulong *microseconds)
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+{
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+ struct timeval tv;
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+ gulong seconds;
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+ gulong usec;
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+ gdouble result;
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+
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+ g_return_val_if_fail (timer != NULL, 0.0);
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+
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+ if (timer->stop.tv_sec == 0 && timer->stop.tv_usec == 0) {
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+ gettimeofday (&tv, NULL);
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+ } else {
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+ tv = timer->stop;
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+ }
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+
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+ usec = tv.tv_usec - timer->start.tv_usec;
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+ seconds = tv.tv_sec - timer->start.tv_sec;
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+ if (microseconds) {
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+ if (usec < 0) {
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+ usec += 1000000;
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+ seconds--;
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+ }
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+ *microseconds = usec;
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+ }
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+ result = seconds * 1000000 + usec;
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+ return (result / 1000000);
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+}
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+
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