[glib: 20/26] glib: Stop using g_get_current_time() in various places

[Philip Withnall <pwithnall src gnome org>]

commit 82e3e109dde46442222e6327576c4aefe0915e7b
Author: Philip Withnall <withnall endlessm com>
Date:   Wed Jul 24 14:17:02 2019 +0100

    glib: Stop using g_get_current_time() in various places
    
    Signed-off-by: Philip Withnall <withnall endlessm com>
    
    Helps: #1438

 glib/gfileutils.c |  6 +++---
 glib/grand.c      | 10 +++++-----
 glib/gslice.c     |  5 ++---
 3 files changed, 10 insertions(+), 11 deletions(-)
---
diff --git a/glib/gfileutils.c b/glib/gfileutils.c
index 16ee66384..275647509 100644
--- a/glib/gfileutils.c
+++ b/glib/gfileutils.c
@@ -1318,7 +1318,7 @@ get_tmp_file (gchar            *tmpl,
     "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
   static const int NLETTERS = sizeof (letters) - 1;
   glong value;
-  GTimeVal tv;
+  gint64 now_us;
   static int counter = 0;
 
   g_return_val_if_fail (tmpl != NULL, -1);
@@ -1333,8 +1333,8 @@ get_tmp_file (gchar            *tmpl,
     }
 
   /* Get some more or less random data.  */
-  g_get_current_time (&tv);
-  value = (tv.tv_usec ^ tv.tv_sec) + counter++;
+  now_us = g_get_real_time ();
+  value = ((now_us % G_USEC_PER_SEC) ^ (now_us / G_USEC_PER_SEC)) + counter++;
 
   for (count = 0; count < 100; value += 7777, ++count)
     {
diff --git a/glib/grand.c b/glib/grand.c
index fcbc6f42f..19339afc6 100644
--- a/glib/grand.c
+++ b/glib/grand.c
@@ -49,6 +49,7 @@
 #include "gmem.h"
 #include "gtestutils.h"
 #include "gthread.h"
+#include "gtimer.h"
 
 #ifdef G_OS_UNIX
 #include <unistd.h>
@@ -220,7 +221,6 @@ g_rand_new (void)
   guint32 seed[4];
 #ifdef G_OS_UNIX
   static gboolean dev_urandom_exists = TRUE;
-  GTimeVal now;
 
   if (dev_urandom_exists)
     {
@@ -254,10 +254,10 @@ g_rand_new (void)
     }
 
   if (!dev_urandom_exists)
-    {  
-      g_get_current_time (&now);
-      seed[0] = now.tv_sec;
-      seed[1] = now.tv_usec;
+    {
+      gint64 now_us = g_get_real_time ();
+      seed[0] = now_us / G_USEC_PER_SEC;
+      seed[1] = now_us % G_USEC_PER_SEC;
       seed[2] = getpid ();
       seed[3] = getppid ();
     }
diff --git a/glib/gslice.c b/glib/gslice.c
index 7239bab3a..4c758c3be 100644
--- a/glib/gslice.c
+++ b/glib/gslice.c
@@ -595,9 +595,8 @@ magazine_cache_update_stamp (void)
 {
   if (allocator->stamp_counter >= MAX_STAMP_COUNTER)
     {
-      GTimeVal tv;
-      g_get_current_time (&tv);
-      allocator->last_stamp = tv.tv_sec * 1000 + tv.tv_usec / 1000; /* milli seconds */
+      gint64 now_us = g_get_real_time ();
+      allocator->last_stamp = now_us / 1000; /* milli seconds */
       allocator->stamp_counter = 0;
     }
   else