[Wayland-bugs] [Bug 766341] New: Do not rely on memfd as it requires a fairly recent kernel

[gtk+ (GNOME Bugzilla)]

https://bugzilla.gnome.org/show_bug.cgi?id=766341

            Bug ID: 766341
           Summary: Do not rely on memfd as it requires a fairly recent
                    kernel
    Classification: Platform
           Product: gtk+
           Version: 3.20.x
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: Normal
         Component: Backend: Wayland
          Assignee: gtk-bugs at gtk.org
          Reporter: emanuele.aina at collabora.com
        QA Contact: gtk-bugs at gtk.org
                CC: rob at robster.org.uk, wayland-bugs at lists.freedesktop.org
     GNOME version: ---

In the 3.19.x cycle the Wayland backend has been switched to memfd_create() to
avoid a number of issue with tmpdir[1]. Unfortunately memfd_create() is
available only from linux 3.17, while Debian stable (and many others) are stuck
with 3.16 or earlier.

Reintroducing the old mechanism as a fallback if memfd_create() fails would be
great.


[1] https://git.gnome.org/browse/gtk+/commit/?id=df70e28d92e7c

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