2007-05-07 Hans Boehm <Hans.Boehm@hp.com>

2007-05-07  Hans Boehm <Hans.Boehm@hp.com>

	* mark.c (GC_mark_some wrapper): Restructure for readability, handle
	GC_started_thread_while_stopped.
	* misc.c (Win32 GC_write): Lock GC_write_cs only if needed.
	* win32_threads.c: (client_has_run): remove,
	GC_started_thread_while_stopped, GC_attached_thread: add.
	(GC_push_all_stacks): Add verbose output.
	(DllMain): Avoid initializing collector or the like.
	Never update both thread tables.
	* doc/README.win32: Adjust GC_win32_dll_threads rules.