From f07a4c844da9f0ecae5bbee1ab94be56505f26f7 Mon Sep 17 00:00:00 2001 From: Thomas Bushnell Date: Tue, 25 Feb 1997 21:28:37 +0000 Subject: Initial source --- include/mach_init.h | 84 +++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 84 insertions(+) create mode 100644 include/mach_init.h (limited to 'include/mach_init.h') diff --git a/include/mach_init.h b/include/mach_init.h new file mode 100644 index 0000000..19d69d0 --- /dev/null +++ b/include/mach_init.h @@ -0,0 +1,84 @@ +/* + * Mach Operating System + * Copyright (c) 1991,1990,1989,1988,1987,1986 Carnegie Mellon University + * All Rights Reserved. + * + * Permission to use, copy, modify and distribute this software and its + * documentation is hereby granted, provided that both the copyright + * notice and this permission notice appear in all copies of the + * software, derivative works or modified versions, and any portions + * thereof, and that both notices appear in supporting documentation. + * + * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" + * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR + * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. + * + * Carnegie Mellon requests users of this software to return to + * + * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU + * School of Computer Science + * Carnegie Mellon University + * Pittsburgh PA 15213-3890 + * + * any improvements or extensions that they make and grant Carnegie Mellon + * the rights to redistribute these changes. + */ +/* + * Items provided by the Mach environment initialization. + */ + +#ifndef _MACH_INIT_ +#define _MACH_INIT_ 1 + +#include + +/* + * Calls to the Unix emulation to supply privileged ports: + * the privileged host port and the master device port. + */ + +#define mach_host_priv_self() task_by_pid(-1) +#define mach_master_device_port() task_by_pid(-2) + +/* + * Kernel-related ports; how a task/thread controls itself + */ + +extern mach_port_t mach_task_self_; + +#define mach_task_self() mach_task_self_ + +#define current_task() mach_task_self() + +/* + * Other important ports in the Mach user environment + */ + +extern mach_port_t name_server_port; +extern mach_port_t environment_port; +extern mach_port_t service_port; + +/* + * Where these ports occur in the "mach_ports_register" + * collection... only servers or the runtime library need know. + */ + +#if MACH_INIT_SLOTS +#define NAME_SERVER_SLOT 0 +#define ENVIRONMENT_SLOT 1 +#define SERVICE_SLOT 2 + +#define MACH_PORTS_SLOTS_USED 3 +#endif MACH_INIT_SLOTS + +/* + * Globally interesting numbers. + * These macros assume vm_page_size is a power-of-2. + */ + +extern vm_size_t vm_page_size; + +#define trunc_page(x) ((x) &~ (vm_page_size - 1)) +#define round_page(x) trunc_page((x) + (vm_page_size - 1)) + +#endif _MACH_INIT_ -- cgit v1.2.3