Imported Upstream version 8.17upstream/8.17

1 files changed, 48 insertions, 0 deletions

diff --git a/lib/gettime.c b/lib/gettime.c
new file mode 100644
index 00000000..8075bfaf
--- /dev/null
+++ b/lib/gettime.c
@@ -0,0 +1,48 @@
+/* gettime -- get the system clock
+
+   Copyright (C) 2002, 2004-2007, 2009-2012 Free Software Foundation, Inc.
+
+   This program is free software: you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+
+/* Written by Paul Eggert.  */
+
+#include <config.h>
+
+#include "timespec.h"
+
+#include <sys/time.h>
+
+/* Get the system time into *TS.  */
+
+void
+gettime (struct timespec *ts)
+{
+#if HAVE_NANOTIME
+  nanotime (ts);
+#else
+
+# if defined CLOCK_REALTIME && HAVE_CLOCK_GETTIME
+  if (clock_gettime (CLOCK_REALTIME, ts) == 0)
+    return;
+# endif
+
+  {
+    struct timeval tv;
+    gettimeofday (&tv, NULL);
+    ts->tv_sec = tv.tv_sec;
+    ts->tv_nsec = tv.tv_usec * 1000;
+  }
+
+#endif
+}