[Wayland-bugs] [Bug 761095] New: wayland: use shm_open instead of open in tmpdir

[gtk+ (GNOME Bugzilla)]

https://bugzilla.gnome.org/show_bug.cgi?id=761095

            Bug ID: 761095
           Summary: wayland: use shm_open instead of open in tmpdir
    Classification: Platform
           Product: gtk+
           Version: unspecified
                OS: All
            Status: NEW
          Severity: normal
          Priority: Normal
         Component: Backend: Wayland
          Assignee: gtk-bugs at gtk.org
          Reporter: rstrode at redhat.com
        QA Contact: gtk-bugs at gtk.org
                CC: rob at robster.org.uk, wayland-bugs at lists.freedesktop.org
     GNOME version: ---

The tmpdir is used for a wide assortment of things, and
can easily fill up. If it fills then desktop will start
crashing with SIGBUS errors.

This commit changes the shm pool allocation code, to use
shm_open, so the shared memory files will go in their
dedicated space.

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