2012-01-24 Pedro Alves <pedro@codesourcery.com>

2012-01-24  Pedro Alves  <pedro@codesourcery.com>

	* breakpoint.c (breakpoint_hit_catch_fork)
	(breakpoint_hit_catch_vfork, breakpoint_hit_catch_syscall)
	(breakpoint_hit_catch_exec): Make use of the `ws' argument.
	* infrun.c (inferior_has_forked, inferior_has_vforked)
	(inferior_has_execd, inferior_has_called_syscall): Delete.
	(handle_syscall_event): Get syscall_number from the execution
	control state's wait status.
	(wait_for_inferior): Don't clear syscall_number.