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- /*
- * 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;
- int count;
- int nfcount;
- char * wql;
- int allocsize; /* select allocated size */
- } 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;
- int uu_flag;
- struct proc * uu_proc;
- void * uu_userstate;
- wait_queue_sub_t uu_wqsub;
- };
-
- 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_ */
-