1 files changed, 53 insertions, 0 deletions
diff --git a/src/port/gettimeofday.c b/src/port/gettimeofday.c
new file mode 100644
index 00000000000..3e2a6706d49
--- /dev/null
+++ b/src/port/gettimeofday.c
@@ -0,0 +1,53 @@
+/*
+ * $Header: /cvsroot/pgsql/src/port/gettimeofday.c,v 1.1 2003/05/16 04:59:24 momjian Exp $
+ *
+ * Copyright (c) 2003 SRA, Inc.
+ * Copyright (c) 2003 SKC, Inc.
+ *
+ * Permission to use, copy, modify, and distribute this software and
+ * its documentation for any purpose, without fee, and without a
+ * written agreement is hereby granted, provided that the above
+ * copyright notice and this paragraph and the following two
+ * paragraphs appear in all copies.
+ *
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE TO ANY PARTY FOR DIRECT,
+ * INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, INCLUDING
+ * LOST PROFITS, ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS
+ * DOCUMENTATION, EVEN IF THE UNIVERSITY OF CALIFORNIA HAS BEEN ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * THE AUTHOR SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS ON AN "AS
+ * IS" BASIS, AND THE AUTHOR HAS NO OBLIGATIONS TO PROVIDE MAINTENANCE,
+ * SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
+ */
+
+#include "postgres.h"
+
+#include "sys/time.h"
+
+/* FILETIME of Jan 1 1970 00:00:00. */
+static const unsigned __int64 epoch = 116444736000000000L;
+
+/*
+ * timezone information is stored outside the kernel so tzp isn't used anymore.
+ */
+int
+gettimeofday(struct timeval *tp, struct timezone *tzp)
+{
+	FILETIME		file_time;
+	SYSTEMTIME		system_time;
+	ULARGE_INTEGER	ularge;
+
+	GetSystemTime(&system_time);
+	SystemTimeToFileTime(&system_time, &file_time);
+	ularge.LowPart = file_time.dwLowDateTime;
+	ularge.HighPart = file_time.dwHighDateTime;
+
+	tp->tv_sec  = (long)((ularge.QuadPart - epoch) / 10000000L);
+	tp->tv_usec = (long)(system_time.wMilliseconds * 1000);
+
+	return 0;
+}
+