From b741f6b04c2b0da7963cf0778f20a8ad1e8dbf9e Mon Sep 17 00:00:00 2001
From: Jeremy Allison <jra@samba.org>
Date: Fri, 11 Jan 2002 21:52:46 +0000
Subject: Latest attempt at changeid. Jeremy. (This used to be commit
 24ee18c77e1b61004d8ed817118a481f3d43e34c)

---
 source3/lib/time.c             | 28 ++++++++++++++++++++++++++--
 source3/printing/nt_printing.c |  9 +++++----
 2 files changed, 31 insertions(+), 6 deletions(-)

diff --git a/source3/lib/time.c b/source3/lib/time.c
index f0f62ca841..975c58c7a5 100644
--- a/source3/lib/time.c
+++ b/source3/lib/time.c
@@ -129,10 +129,34 @@ static int get_serverzone(void)
 
 /* Re-read the smb serverzone value */
 
+static struct timeval start_time_hires;
+
 void TimeInit(void)
 {
-        done_serverzone_init = False;
-        get_serverzone();
+	done_serverzone_init = False;
+	get_serverzone();
+	/* Save the start time of this process. */
+	GetTimeOfDay(&start_time_hires);
+}
+
+/**********************************************************************
+ Return a timeval struct of the uptime of this process. As TimeInit is
+ done before a daemon fork then this is the start time from the parent
+ daemon start. JRA.
+***********************************************************************/
+
+void get_process_uptime(struct timeval *ret_time)
+{
+	struct timeval time_now_hires;
+
+	GetTimeOfDay(&time_now_hires);
+	ret_time->tv_sec = time_now_hires.tv_sec - start_time_hires.tv_sec;
+	ret_time->tv_usec = time_now_hires.tv_usec - start_time_hires.tv_usec;
+	if (time_now_hires.tv_usec < start_time_hires.tv_usec) {
+		ret_time->tv_sec -= 1;
+		ret_time->tv_usec = 1000000 + (time_now_hires.tv_usec - start_time_hires.tv_usec);
+	} else
+		ret_time->tv_usec = time_now_hires.tv_usec - start_time_hires.tv_usec;
 }
 
 /*******************************************************************
diff --git a/source3/printing/nt_printing.c b/source3/printing/nt_printing.c
index d1ab5ce21d..608ba9f21f 100644
--- a/source3/printing/nt_printing.c
+++ b/source3/printing/nt_printing.c
@@ -2651,10 +2651,11 @@ void get_printer_subst_params(int snum, fstring *printername, fstring *sharename
 
 static uint32 rev_changeid(void)
 {
-	static time_t start_time;
-	if (start_time == 0)
-		start_time = time(NULL);
-	return (((time(NULL) - start_time)+1)*1000);
+	struct timeval tv;
+
+	get_process_uptime(&tv);
+	/* This value is in ms * 100 */
+	return (tv.tv_sec * 100000) + (tv.tv_usec / 10);
 }
 
 /*
-- 
cgit