new file, from Paul Eggert

2 files changed, 89 insertions, 0 deletions

diff --git a/lib/gettime.c b/lib/gettime.c
new file mode 100644
index 000000000..7b5a75aaf
--- /dev/null
+++ b/lib/gettime.c
@@ -0,0 +1,46 @@
+/* gettime -- get the system clock
+   Copyright (C) 2002 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 2, 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, write to the Free Software Foundation,
+   Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
+
+/* Written by Paul Eggert.  */
+
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#include "timespec.h"
+
+/* Get the system time.  */
+
+int
+gettime (struct timespec *ts)
+{
+#if defined CLOCK_REALTIME && HAVE_CLOCK_SETTIME
+  if (clock_gettime (CLOCK_REALTIME, ts) == 0)
+    return 0;
+#endif
+
+  {
+    struct timeval tv;
+    int r = gettimeofday (&tv, 0);
+    if (r == 0)
+      {
+	ts->tv_sec = tv.tv_sec;
+	ts->tv_nsec = tv.tv_usec * 1000;
+      }
+    return r;
+  }
+}
diff --git a/lib/settime.c b/lib/settime.c
new file mode 100644
index 000000000..277c80583
--- /dev/null
+++ b/lib/settime.c
@@ -0,0 +1,43 @@
+/* settime -- set the system clock
+   Copyright (C) 2002 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 2, 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, write to the Free Software Foundation,
+   Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
+
+/* Written by Paul Eggert.  */
+
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#include "timespec.h"
+
+/* Set the system time.  */
+
+int
+settime (struct timespec const *ts)
+{
+#if defined CLOCK_REALTIME && HAVE_CLOCK_SETTIME
+  if (clock_settime (CLOCK_REALTIME, ts) == 0)
+    return 0;
+#endif
+
+  {
+    struct timeval tv;
+
+    tv.tv_sec = ts->tv_sec;
+    tv.tv_usec = ts->tv_nsec / 1000;
+    return settimeofday (&tv, 0);
+  }
+}