107 lines
3.7 KiB
C
107 lines
3.7 KiB
C
/* $OpenBSD: unistd.h,v 1.31 2015/07/20 00:56:10 guenther Exp $ */
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/* $NetBSD: unistd.h,v 1.10 1994/06/29 06:46:06 cgd Exp $ */
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/*
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* Copyright (c) 1989, 1993
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* The Regents of the University of California. All rights reserved.
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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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* @(#)unistd.h 8.2 (Berkeley) 1/7/94
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*/
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#ifndef _SYS_UNISTD_H_
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#define _SYS_UNISTD_H_
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#include <sys/cdefs.h>
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#define _POSIX_VDISABLE (0377)
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#define _POSIX_ASYNC_IO (-1)
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#define _POSIX_PRIO_IO (-1)
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#define _POSIX_SYNC_IO (-1)
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/* Define the POSIX.1 version we target for compliance. */
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#define _POSIX_VERSION 200809L
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/* access function */
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#define F_OK 0 /* test for existence of file */
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#define X_OK 0x01 /* test for execute or search permission */
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#define W_OK 0x02 /* test for write permission */
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#define R_OK 0x04 /* test for read permission */
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/* whence values for lseek(2) */
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#define SEEK_SET 0 /* set file offset to offset */
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#define SEEK_CUR 1 /* set file offset to current plus offset */
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#define SEEK_END 2 /* set file offset to EOF plus offset */
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#if __BSD_VISIBLE
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/* old BSD whence values for lseek(2); renamed by POSIX 1003.1 */
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#define L_SET SEEK_SET
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#define L_INCR SEEK_CUR
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#define L_XTND SEEK_END
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/* the parameters argument passed to the __tfork() syscall */
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struct __tfork {
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void *tf_tcb;
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pid_t *tf_tid;
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void *tf_stack;
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};
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/* the parameters argument for the kbind() syscall */
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struct __kbind {
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void *kb_addr;
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size_t kb_size;
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};
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#define KBIND_BLOCK_MAX 2 /* powerpc, sparc, and sparc64 need 2 blocks */
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#define KBIND_DATA_MAX 24 /* sparc64 needs 6, four-byte words */
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#endif
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/* the pathconf(2) variable values are part of the ABI */
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/* configurable pathname variables */
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#define _PC_LINK_MAX 1
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#define _PC_MAX_CANON 2
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#define _PC_MAX_INPUT 3
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#define _PC_NAME_MAX 4
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#define _PC_PATH_MAX 5
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#define _PC_PIPE_BUF 6
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#define _PC_CHOWN_RESTRICTED 7
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#define _PC_NO_TRUNC 8
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#define _PC_VDISABLE 9
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#define _PC_2_SYMLINKS 10
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#define _PC_ALLOC_SIZE_MIN 11
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#define _PC_ASYNC_IO 12
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#define _PC_FILESIZEBITS 13
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#define _PC_PRIO_IO 14
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#define _PC_REC_INCR_XFER_SIZE 15
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#define _PC_REC_MAX_XFER_SIZE 16
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#define _PC_REC_MIN_XFER_SIZE 17
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#define _PC_REC_XFER_ALIGN 18
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#define _PC_SYMLINK_MAX 19
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#define _PC_SYNC_IO 20
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#define _PC_TIMESTAMP_RESOLUTION 21
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#endif /* !_SYS_UNISTD_H_ */
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