Update.

2001-08-29  Ulrich Drepper  <drepper@redhat.com>

	* spinlock.c (__pthread_lock): Top max_count value with
	MAX_ADAPTIVE_SPIN_COUNT.
	* internals.h (MAX_ADAPTIVE_SPIN_COUNT): Define if not already done.

	* sysdeps/i386/i686/pt-machine.h (BUSY_WAIT_NOP): New macro to
	help P4.