[glib] (22 commits) Created branch wip/glib-next

[Ryan Lortie <ryanl src gnome org>]

The branch 'wip/glib-next' was created.

Summary of new commits:

  15b7044... Make threads mandatory
  fe97750... Revert "GIOSchedulerJob: Improve struct packing"
  c4d499d... Remove !g_thread_supported() codepaths in gio
  7d8fc35... Update building docs to mention mandatory threads
  ab7e8a0... Deprecated (undocumented) g_thread_gettime
  ff1a311... gthread: remove some unused forward declarations
  f335d5d... GThread: remove errorcheck mutex support
  5613077... Remove the dead 'none' thread implementation
  f147291... Remove support for custom thread implementations
  e63434e... Remove support for DCE threads
  264bbc6... Remove useless macros from when we supported DCE
  5f5f1c8... Move thread priority translation into the backends
  2be0afd... Stop using HAVE_G_THREAD_IMPL_INIT
  89d7912... win32 threads: assume TryEnterCriticalSection
  b229a8c... invert gthread-impl includes
  b9c0f54... Move the GThread implementations to glib/
  8d78388... make g_thread_init_glib() idempotent
  3a30d43... Add private glib_get_worker_context() API
  ebef410... GMainLoop: remove single-threaded case
  3709c6a... GMain: simplify logic for g_wakeup_acknowledge()
  94263a4... Modify child and signal sources to use worker
  88f6dc4... gtester: Remove SIGCHLD race workarounds