2011-05-10 Ivan Maidanski <ivmai@mail.ru>

2011-05-10  Ivan Maidanski  <ivmai@mail.ru>

	* pthread_start.c (GC_start_rtn_prepare_thread): Change return
	type to GC_thread.
	* pthread_start.c (GC_inner_start_routine): Pass the current
	thread descriptor to pthread_cleanup_push (same as in
	win32_threads.c).
	* pthread_stop_world.c (GC_push_all_stacks): Rename "me" local
	variable to "self".
	* win32_threads.c (GC_push_all_stacks): Ditto.
	* pthread_stop_world.c (GC_suspend_all, GC_start_world): Rename
	"my_thread" local variable to "self".
	* pthread_support.c (GC_unregister_my_thread_inner): New static
	function.
	* pthread_support.c (GC_unregister_my_thread,
	GC_thread_exit_proc): Use GC_unregister_my_thread_inner.
	* win32_threads.c (GC_register_my_thread, GC_unregister_my_thread,
	GC_do_blocking_inner): Rename "t" local variable to "thread_id".
	* win32_threads.c (GC_wait_marker, GC_notify_all_marker): Rename
	"id" local variable to "thread_id".