1 files changed, 51 insertions, 0 deletions
diff --git a/lib/gettime.c b/lib/gettime.c
new file mode 100644
index 0000000..f86cc4e
--- /dev/null
+++ b/lib/gettime.c
@@ -0,0 +1,51 @@
+/* gettime -- get the system clock
+
+   Copyright (C) 2002, 2004-2007, 2009-2023 Free Software Foundation, Inc.
+
+   This file is free software: you can redistribute it and/or modify
+   it under the terms of the GNU Lesser General Public License as
+   published by the Free Software Foundation, either version 3 of the
+   License, or (at your option) any later version.
+
+   This file 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 Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public License
+   along with this program.  If not, see <https://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 defined CLOCK_REALTIME && HAVE_CLOCK_GETTIME
+  clock_gettime (CLOCK_REALTIME, ts);
+#elif defined HAVE_TIMESPEC_GET
+  timespec_get (ts, TIME_UTC);
+#else
+  struct timeval tv;
+  gettimeofday (&tv, NULL);
+  ts->tv_sec = tv.tv_sec;
+  ts->tv_nsec = tv.tv_usec * 1000;
+#endif
+}
+
+/* Return the current system time as a struct timespec.  */
+
+struct timespec
+current_timespec (void)
+{
+  struct timespec ts;
+  gettime (&ts);
+  return ts;
+}