re PR libstdc++/36801 (config/cpu/generic/atomicity_mutex/atomicity.h incorrectly relies on global constructor ordering)

2009-01-07  Benjamin Kosnik  <bkoz@redhat.com>
	    Jonathan Larmour  <jifl@eCosCentric.com>

	PR libstdc++/36801
	* config/cpu/generic/atomicity_mutex/atomicity.h (get_atomic_mutex):
	New.
	(__gnu_cxx::__exchange_and_add): Use it.
	* src/atomic.cc (get_atomic_mutex): New.
	* src/debug.cc (get_safe_base_mutex): New.
	* src/locale.cc (get_locale_cache_mutex): New.
	* src/mt_allocator.cc (get_freelist): New.
	(get_freelist_mutex): New.
	* src/pool_allocator.cc (get_palloc_mutex): New.
	* include/std/mutex (__once_functor_lock): To
	(__get_once_functor_lock): ...this.
	* src/mutex.cc (__once_mutex): Don't export, use
	(get_once_mutex): ...this.
	* config/abi/pre/gnu.ver: Adjust exports.

From-SVN: r143182