2011-03-08 Ivan Maidanski <ivmai@mail.ru>

2011-03-08  Ivan Maidanski  <ivmai@mail.ru>

	* pthread_support.c (pthread_cancel, GC_pthread_cancel_t,
	GC_pthread_cancel): Test GC_NO_PTHREAD_CANCEL (instead of NACL and
	GC_PTHREAD_EXIT_ATTRIBUTE).
	* include/gc_pthread_redirects.h (GC_pthread_cancel,
	pthread_cancel): Ditto.
	* pthread_support.c (GC_pthread_create, GC_pthread_sigmask,
	GC_pthread_join, GC_pthread_detach, GC_pthread_cancel): Realign
	code.
	* include/gc_pthread_redirects.h (GC_PTHREAD_EXIT_ATTRIBUTE):
	Define as empty for NaCl.
	* include/gc_pthread_redirects.h (GC_NO_PTHREAD_CANCEL): New macro
	defined.