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60b426f46c
We no longer support old versions of GCC. Remove this check by assuming it's false. That will make the entire expression false. Also remove support for Intel compiler, it's badly bitrotted. Technically, this removes support for C89 and K&R from compilers that don't define _Bool in those compilation environments as well. I'm unaware of any working compiler today for which that would be relevant (pcc has it and tcc sadly isn't working for other reasons), though if one pops up in ports, I'll work to resolve the issue.
437 lines
12 KiB
C
437 lines
12 KiB
C
/*-
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* SPDX-License-Identifier: BSD-3-Clause
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*
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* Copyright (c) 1982, 1986, 1991, 1993, 1994
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* The Regents of the University of California. All rights reserved.
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* (c) UNIX System Laboratories, Inc.
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* All or some portions of this file are derived from material licensed
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* to the University of California by American Telephone and Telegraph
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* Co. or Unix System Laboratories, Inc. and are reproduced herein with
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* the permission of UNIX System Laboratories, Inc.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)types.h 8.6 (Berkeley) 2/19/95
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* $FreeBSD$
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*/
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#ifndef _SYS_TYPES_H_
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#define _SYS_TYPES_H_
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#include <sys/cdefs.h>
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/* Machine type dependent parameters. */
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#include <machine/endian.h>
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#include <sys/_types.h>
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#include <sys/_pthreadtypes.h>
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#if __BSD_VISIBLE
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typedef unsigned char u_char;
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typedef unsigned short u_short;
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typedef unsigned int u_int;
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typedef unsigned long u_long;
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#ifndef _KERNEL
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typedef unsigned short ushort; /* Sys V compatibility */
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typedef unsigned int uint; /* Sys V compatibility */
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#endif
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#endif
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/*
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* XXX POSIX sized integrals that should appear only in <sys/stdint.h>.
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*/
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#include <sys/_stdint.h>
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typedef __uint8_t u_int8_t; /* unsigned integrals (deprecated) */
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typedef __uint16_t u_int16_t;
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typedef __uint32_t u_int32_t;
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typedef __uint64_t u_int64_t;
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typedef __uint64_t u_quad_t; /* quads (deprecated) */
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typedef __int64_t quad_t;
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typedef quad_t * qaddr_t;
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typedef char * caddr_t; /* core address */
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typedef const char * c_caddr_t; /* core address, pointer to const */
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#ifndef _BLKSIZE_T_DECLARED
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typedef __blksize_t blksize_t;
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#define _BLKSIZE_T_DECLARED
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#endif
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typedef __cpuwhich_t cpuwhich_t;
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typedef __cpulevel_t cpulevel_t;
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typedef __cpusetid_t cpusetid_t;
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#ifndef _BLKCNT_T_DECLARED
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typedef __blkcnt_t blkcnt_t;
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#define _BLKCNT_T_DECLARED
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#endif
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#ifndef _CLOCK_T_DECLARED
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typedef __clock_t clock_t;
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#define _CLOCK_T_DECLARED
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#endif
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#ifndef _CLOCKID_T_DECLARED
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typedef __clockid_t clockid_t;
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#define _CLOCKID_T_DECLARED
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#endif
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typedef __critical_t critical_t; /* Critical section value */
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typedef __daddr_t daddr_t; /* disk address */
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#ifndef _DEV_T_DECLARED
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typedef __dev_t dev_t; /* device number or struct cdev */
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#define _DEV_T_DECLARED
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#endif
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#ifndef _FFLAGS_T_DECLARED
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typedef __fflags_t fflags_t; /* file flags */
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#define _FFLAGS_T_DECLARED
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#endif
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typedef __fixpt_t fixpt_t; /* fixed point number */
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#ifndef _FSBLKCNT_T_DECLARED /* for statvfs() */
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typedef __fsblkcnt_t fsblkcnt_t;
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typedef __fsfilcnt_t fsfilcnt_t;
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#define _FSBLKCNT_T_DECLARED
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#endif
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#ifndef _GID_T_DECLARED
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typedef __gid_t gid_t; /* group id */
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#define _GID_T_DECLARED
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#endif
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#ifndef _IN_ADDR_T_DECLARED
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typedef __uint32_t in_addr_t; /* base type for internet address */
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#define _IN_ADDR_T_DECLARED
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#endif
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#ifndef _IN_PORT_T_DECLARED
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typedef __uint16_t in_port_t;
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#define _IN_PORT_T_DECLARED
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#endif
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#ifndef _ID_T_DECLARED
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typedef __id_t id_t; /* can hold a uid_t or pid_t */
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#define _ID_T_DECLARED
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#endif
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#ifndef _INO_T_DECLARED
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typedef __ino_t ino_t; /* inode number */
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#define _INO_T_DECLARED
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#endif
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#ifndef _KEY_T_DECLARED
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typedef __key_t key_t; /* IPC key (for Sys V IPC) */
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#define _KEY_T_DECLARED
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#endif
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#ifndef _LWPID_T_DECLARED
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typedef __lwpid_t lwpid_t; /* Thread ID (a.k.a. LWP) */
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#define _LWPID_T_DECLARED
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#endif
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#ifndef _MODE_T_DECLARED
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typedef __mode_t mode_t; /* permissions */
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#define _MODE_T_DECLARED
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#endif
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#ifndef _ACCMODE_T_DECLARED
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typedef __accmode_t accmode_t; /* access permissions */
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#define _ACCMODE_T_DECLARED
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#endif
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#ifndef _NLINK_T_DECLARED
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typedef __nlink_t nlink_t; /* link count */
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#define _NLINK_T_DECLARED
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#endif
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#ifndef _OFF_T_DECLARED
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typedef __off_t off_t; /* file offset */
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#define _OFF_T_DECLARED
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#endif
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#ifndef _OFF64_T_DECLARED
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typedef __off64_t off64_t; /* file offset (alias) */
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#define _OFF64_T_DECLARED
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#endif
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#ifndef _PID_T_DECLARED
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typedef __pid_t pid_t; /* process id */
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#define _PID_T_DECLARED
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#endif
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typedef __register_t register_t;
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#ifndef _RLIM_T_DECLARED
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typedef __rlim_t rlim_t; /* resource limit */
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#define _RLIM_T_DECLARED
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#endif
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typedef __int64_t sbintime_t;
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typedef __segsz_t segsz_t; /* segment size (in pages) */
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#ifndef _SIZE_T_DECLARED
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typedef __size_t size_t;
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#define _SIZE_T_DECLARED
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#endif
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#ifndef _SSIZE_T_DECLARED
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typedef __ssize_t ssize_t;
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#define _SSIZE_T_DECLARED
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#endif
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#ifndef _SUSECONDS_T_DECLARED
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typedef __suseconds_t suseconds_t; /* microseconds (signed) */
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#define _SUSECONDS_T_DECLARED
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#endif
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#ifndef _TIME_T_DECLARED
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typedef __time_t time_t;
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#define _TIME_T_DECLARED
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#endif
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#ifndef _TIMER_T_DECLARED
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typedef __timer_t timer_t;
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#define _TIMER_T_DECLARED
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#endif
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#ifndef _MQD_T_DECLARED
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typedef __mqd_t mqd_t;
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#define _MQD_T_DECLARED
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#endif
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typedef __u_register_t u_register_t;
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#ifndef _UID_T_DECLARED
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typedef __uid_t uid_t; /* user id */
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#define _UID_T_DECLARED
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#endif
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#ifndef _USECONDS_T_DECLARED
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typedef __useconds_t useconds_t; /* microseconds (unsigned) */
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#define _USECONDS_T_DECLARED
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#endif
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#ifndef _CAP_IOCTL_T_DECLARED
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#define _CAP_IOCTL_T_DECLARED
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typedef unsigned long cap_ioctl_t;
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#endif
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#ifndef _CAP_RIGHTS_T_DECLARED
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#define _CAP_RIGHTS_T_DECLARED
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struct cap_rights;
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typedef struct cap_rights cap_rights_t;
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#endif
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/*
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* Types suitable for exporting physical addresses, virtual addresses
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* (pointers), and memory object sizes from the kernel independent of native
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* word size. These should be used in place of vm_paddr_t, (u)intptr_t, and
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* size_t in structs which contain such types that are shared with userspace.
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*/
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typedef __uint64_t kpaddr_t;
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typedef __uint64_t kvaddr_t;
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typedef __uint64_t ksize_t;
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typedef __int64_t kssize_t;
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typedef __vm_offset_t vm_offset_t;
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typedef __uint64_t vm_ooffset_t;
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typedef __vm_paddr_t vm_paddr_t;
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typedef __uint64_t vm_pindex_t;
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typedef __vm_size_t vm_size_t;
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typedef __rman_res_t rman_res_t;
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#ifdef _KERNEL
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typedef int boolean_t;
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typedef struct device *device_t;
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typedef __intfptr_t intfptr_t;
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/*
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* XXX this is fixed width for historical reasons. It should have had type
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* __int_fast32_t. Fixed-width types should not be used unless binary
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* compatibility is essential. Least-width types should be used even less
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* since they provide smaller benefits.
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*
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* XXX should be MD.
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*
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* XXX this is bogus in -current, but still used for spl*().
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*/
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typedef __uint32_t intrmask_t; /* Interrupt mask (spl, xxx_imask...) */
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typedef __uintfptr_t uintfptr_t;
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typedef __uint64_t uoff_t;
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typedef char vm_memattr_t; /* memory attribute codes */
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typedef struct vm_page *vm_page_t;
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#define offsetof(type, field) __offsetof(type, field)
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#endif /* _KERNEL */
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#if defined(_KERNEL) || defined(_STANDALONE)
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#if !defined(__bool_true_false_are_defined) && !defined(__cplusplus)
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#define __bool_true_false_are_defined 1
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#define false 0
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#define true 1
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typedef _Bool bool;
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#endif /* !__bool_true_false_are_defined && !__cplusplus */
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#endif /* KERNEL || _STANDALONE */
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/*
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* The following are all things that really shouldn't exist in this header,
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* since its purpose is to provide typedefs, not miscellaneous doodads.
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*/
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#ifdef __POPCNT__
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#define __bitcount64(x) __builtin_popcountll((__uint64_t)(x))
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#define __bitcount32(x) __builtin_popcount((__uint32_t)(x))
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#define __bitcount16(x) __builtin_popcount((__uint16_t)(x))
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#define __bitcountl(x) __builtin_popcountl((unsigned long)(x))
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#define __bitcount(x) __builtin_popcount((unsigned int)(x))
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#else
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/*
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* Population count algorithm using SWAR approach
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* - "SIMD Within A Register".
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*/
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static __inline __uint16_t
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__bitcount16(__uint16_t _x)
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{
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_x = (_x & 0x5555) + ((_x & 0xaaaa) >> 1);
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_x = (_x & 0x3333) + ((_x & 0xcccc) >> 2);
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_x = (_x + (_x >> 4)) & 0x0f0f;
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_x = (_x + (_x >> 8)) & 0x00ff;
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return (_x);
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}
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static __inline __uint32_t
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__bitcount32(__uint32_t _x)
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{
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_x = (_x & 0x55555555) + ((_x & 0xaaaaaaaa) >> 1);
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_x = (_x & 0x33333333) + ((_x & 0xcccccccc) >> 2);
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_x = (_x + (_x >> 4)) & 0x0f0f0f0f;
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_x = (_x + (_x >> 8));
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_x = (_x + (_x >> 16)) & 0x000000ff;
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return (_x);
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}
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#ifdef __LP64__
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static __inline __uint64_t
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__bitcount64(__uint64_t _x)
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{
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_x = (_x & 0x5555555555555555) + ((_x & 0xaaaaaaaaaaaaaaaa) >> 1);
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_x = (_x & 0x3333333333333333) + ((_x & 0xcccccccccccccccc) >> 2);
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_x = (_x + (_x >> 4)) & 0x0f0f0f0f0f0f0f0f;
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_x = (_x + (_x >> 8));
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_x = (_x + (_x >> 16));
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_x = (_x + (_x >> 32)) & 0x000000ff;
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return (_x);
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}
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#define __bitcountl(x) __bitcount64((unsigned long)(x))
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#else
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static __inline __uint64_t
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__bitcount64(__uint64_t _x)
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{
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return (__bitcount32(_x >> 32) + __bitcount32(_x));
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}
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#define __bitcountl(x) __bitcount32((unsigned long)(x))
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#endif
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#define __bitcount(x) __bitcount32((unsigned int)(x))
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#endif
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#if __BSD_VISIBLE
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#include <sys/select.h>
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/*
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* The major and minor numbers are encoded in dev_t as MMMmmmMm (where
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* letters correspond to bytes). The encoding of the lower 4 bytes is
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* constrained by compatibility with 16-bit and 32-bit dev_t's. The
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* encoding of of the upper 4 bytes is the least unnatural one consistent
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* with this and other constraints. Also, the decoding of the m bytes by
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* minor() is unnatural to maximize compatibility subject to not discarding
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* bits. The upper m byte is shifted into the position of the lower M byte
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* instead of shifting 3 upper m bytes to close the gap. Compatibility for
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* minor() is achieved iff the upper m byte is 0.
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*/
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#define major(d) __major(d)
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static __inline int
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__major(dev_t _d)
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{
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return (((_d >> 32) & 0xffffff00) | ((_d >> 8) & 0xff));
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}
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#define minor(d) __minor(d)
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static __inline int
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__minor(dev_t _d)
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{
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return (((_d >> 24) & 0xff00) | (_d & 0xffff00ff));
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}
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#define makedev(M, m) __makedev((M), (m))
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static __inline dev_t
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__makedev(int _Major, int _Minor)
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{
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return (((dev_t)(_Major & 0xffffff00) << 32) | ((_Major & 0xff) << 8) |
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((dev_t)(_Minor & 0xff00) << 24) | (_Minor & 0xffff00ff));
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}
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/*
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* These declarations belong elsewhere, but are repeated here and in
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* <stdio.h> to give broken programs a better chance of working with
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* 64-bit off_t's.
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*/
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#ifndef _KERNEL
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__BEGIN_DECLS
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#ifndef _FTRUNCATE_DECLARED
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#define _FTRUNCATE_DECLARED
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int ftruncate(int, off_t);
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#endif
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#ifndef _LSEEK_DECLARED
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#define _LSEEK_DECLARED
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off_t lseek(int, off_t, int);
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#endif
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#ifndef _MMAP_DECLARED
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#define _MMAP_DECLARED
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void * mmap(void *, size_t, int, int, int, off_t);
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#endif
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#ifndef _TRUNCATE_DECLARED
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#define _TRUNCATE_DECLARED
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int truncate(const char *, off_t);
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#endif
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__END_DECLS
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#endif /* !_KERNEL */
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#endif /* __BSD_VISIBLE */
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#endif /* !_SYS_TYPES_H_ */
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