xnu-1228.tar.gz

[apple/xnu.git] / libsyscall / mach / headers / mach_init.h

diff --git a/libsyscall/mach/headers/mach_init.h b/libsyscall/mach/headers/mach_init.h
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+/*
+ * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
+ *
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
+ * 
+ * This file contains Original Code and/or Modifications of Original Code
+ * as defined in and that are subject to the Apple Public Source License
+ * Version 2.0 (the 'License'). You may not use this file except in
+ * compliance with the License. The rights granted to you under the License
+ * may not be used to create, or enable the creation or redistribution of,
+ * unlawful or unlicensed copies of an Apple operating system, or to
+ * circumvent, violate, or enable the circumvention or violation of, any
+ * terms of an Apple operating system software license agreement.
+ * 
+ * Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this file.
+ * 
+ * The Original Code and all software distributed under the License are
+ * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * Please see the License for the specific language governing rights and
+ * limitations under the License.
+ * 
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
+ */
+/* 
+ * 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 <mach/mach_types.h>
+#include <stdarg.h>
+
+#include <sys/cdefs.h>
+
+/*
+ *     Kernel-related ports; how a task/thread controls itself
+ */
+
+__BEGIN_DECLS
+extern mach_port_t mach_task_self(void);
+extern mach_port_t mach_host_self(void);
+extern mach_port_t mach_thread_self(void);
+extern kern_return_t host_page_size(host_t, vm_size_t *);
+
+extern mach_port_t     mach_task_self_;
+#define        mach_task_self() mach_task_self_
+#define        current_task()  mach_task_self()
+
+__END_DECLS
+#include <mach/mach_traps.h>
+__BEGIN_DECLS
+
+/*
+ *     Other important ports in the Mach user environment
+ */
+
+extern mach_port_t     bootstrap_port;
+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.
+ */
+
+#define        NAME_SERVER_SLOT        0
+#define        ENVIRONMENT_SLOT        1
+#define SERVICE_SLOT           2
+
+#define        MACH_PORTS_SLOTS_USED   3
+
+/*
+ *     Globally interesting numbers.
+ *     These macros assume vm_page_size is a power-of-2.
+ */
+
+extern vm_size_t       vm_page_size;
+extern vm_size_t       vm_page_mask;
+extern int             vm_page_shift;
+
+#define trunc_page(x)  ((x) & (~(vm_page_size - 1)))
+#define round_page(x)  trunc_page((x) + (vm_page_size - 1))
+
+/*
+ *     fprintf_stderr uses vprintf_stderr_func to produce
+ *     error messages, this can be overridden by a user
+ *     application to point to a user-specified output function
+ */
+extern int (*vprintf_stderr_func)(const char *format, va_list ap);
+__END_DECLS
+
+#endif /* _MACH_INIT_ */