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