Attachment 218846 Details for Bug 250311 – add lock and cache

[patch] add lock and cache

g_unix_mount_points_get.patch (text/plain), 1.24 KB, created by Ivan Rozhuk on 2020-10-17 22:40:00 UTC

(hide)

Description:

Filename:

MIME Type:

Creator: Ivan Rozhuk

Created: 2020-10-17 22:40:00 UTC

Size: 1.24 KB

patch

obsolete

>Index: devel/glib20/files/patch-gio_gunixmounts.c
>===================================================================
>--- devel/glib20/files/patch-gio_gunixmounts.c	(nonexistent)
>+++ devel/glib20/files/patch-gio_gunixmounts.c	(working copy)
>@@ -0,0 +1,33 @@
>+--- gio/gunixmounts.c.orig	2020-10-01 16:17:53.138733000 +0300
>++++ gio/gunixmounts.c	2020-10-18 01:26:30.563084000 +0300
>+@@ -1654,10 +1654,28 @@
>+ GList *
>+ g_unix_mount_points_get (guint64 *time_read)
>+ {
>++  static GList *mnt_pts_last = NULL;
>++  static guint64 time_read_last = 0;
>++  GList *mnt_pts = NULL;
>++  guint64 time_read_now;
>++  G_LOCK_DEFINE_STATIC (unix_mount_points);
>++
>++  G_LOCK (unix_mount_points);
>++
>++  time_read_now = get_mount_points_timestamp ();
>++  if (time_read_now != time_read_last || mnt_pts_last == NULL) {
>++    time_read_last = time_read_now;
>++    g_list_free_full (mnt_pts_last, (GDestroyNotify) g_unix_mount_point_free);
>++    mnt_pts_last = _g_get_unix_mount_points ();
>++  }
>++  mnt_pts = g_list_copy_deep(mnt_pts_last, g_unix_mount_point_copy, NULL);
>++
>++  G_UNLOCK (unix_mount_points);
>++
>+   if (time_read)
>+-    *time_read = get_mount_points_timestamp ();
>++    *time_read = time_read_last;
>+ 
>+-  return _g_get_unix_mount_points ();
>++  return mnt_pts;
>+ }
>+ 
>+ /**

Actions: View | Diff

Attachments on bug 250311: 218846