/* * Copyright (c) 2000 Apple Computer, Inc. All rights reserved. * * @APPLE_LICENSE_HEADER_START@ * * The contents of this file constitute Original Code as defined in and * are subject to the Apple Public Source License Version 1.1 (the * "License"). You may not use this file except in compliance with the * License. Please obtain a copy of the License at * http://www.apple.com/publicsource and read it before using this file. * * This 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 OR NON-INFRINGEMENT. Please see the * License for the specific language governing rights and limitations * under the License. * * @APPLE_LICENSE_HEADER_END@ */ /* Copyright (c) 1995, 1997 Apple Computer, Inc. All Rights Reserved */ /* * Copyright (c) 1982, 1986, 1989, 1991, 1993 * The Regents of the University of California. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the University of * California, Berkeley and its contributors. * 4. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * @(#)user.h 8.2 (Berkeley) 9/23/93 */ #ifndef _SYS_USER_H_ #define _SYS_USER_H_ #ifndef KERNEL /* stuff that *used* to be included by user.h, or is now needed */ #include <errno.h> #include <sys/time.h> #include <sys/resource.h> #include <sys/ucred.h> #include <sys/uio.h> #endif #include <sys/resourcevar.h> #include <sys/signalvar.h> #include <sys/vm.h> /* XXX */ #include <sys/sysctl.h> #ifdef KERNEL /* * Per-thread U area. * * It is likely that this structure contains no fields that must be * saved between system calls. * * WARNING: IF THE SIZE OF THIS STRUCT CHANGES YOU MUST CHANGE THE * CONSTANT IN struct thread_act.bsd_space */ struct uthread { int *uu_ar0; /* address of users saved R0 */ /* syscall parameters, results and catches */ int uu_arg[8]; /* arguments to current system call */ int *uu_ap; /* pointer to arglist */ int uu_rval[2]; /* thread exception handling */ int uu_code; /* ``code'' to trap */ char uu_cursig; /* p_cursig for exc. */ int uu_sig; /* p_sig for exc. */ /* support for syscalls which use continuations */ union { struct _select { u_int32_t *ibits, *obits; /* bits to select on */ uint nbytes; /* number of bytes in ibits and obits */ struct timeval atv; int poll; int error; } ss_select; /* saved state for select() */ struct _wait { int f; } ss_wait; /* saved state for wait?() */ struct _owait { int pid; int *status; int options; struct rusage *rusage; } ss_owait; int uu_nfs_myiod; /* saved state for nfsd */ } uu_state; /* internal support for continuation framework */ int (*uu_continuation)(int); int uu_pri; int uu_timo; }; typedef struct uthread * uthread_t; #endif /* KERNEL */ /* * Per process structure containing data that isn't needed in core * when the process isn't running (esp. when swapped out). * This structure may or may not be at the same kernel address * in all processes. */ struct user { /* NOT USED ANYMORE */ }; #endif /* !_SYS_USER_H_ */