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/* @(#)fcntlcom.h 1.13 91/06/18 SMI; from UCB fcntl.h 5.2 1/8/86 */
/*
* Copyright (c) 1983 Regents of the University of California.
* All rights reserved. The Berkeley software License Agreement
* specifies the terms and conditions for redistribution.
*/
#ifndef __sys_fcntlcom_h
#define __sys_fcntlcom_h
#include <sys/cdefs.h>
/*
* Rewack the FXXXXX values as _FXXXX so that _POSIX_SOURCE works.
*/
#define _FOPEN (-1) /* from sys/file.h, kernel use only */
#define _FREAD 0x0001 /* read enabled */
#define _FWRITE 0x0002 /* write enabled */
#define _FNDELAY 0x0004 /* non blocking I/O (4.2 style) */
#define _FAPPEND 0x0008 /* append (writes guaranteed at the end) */
#define _FSETBLK 0x0010 /* use block offsets */
#define _FASYNC 0x0040 /* signal pgrp when data ready */
#define _FSHLOCK 0x0080 /* BSD flock() shared lock present */
#define _FEXLOCK 0x0100 /* BSD flock() exclusive lock present */
#define _FCREAT 0x0200 /* open with file create */
#define _FTRUNC 0x0400 /* open with truncation */
#define _FEXCL 0x0800 /* error on open if file exists */
#define _FNBIO 0x1000 /* non blocking I/O (sys5 style) */
#define _FSYNC 0x2000 /* do all writes synchronously */
#define _FNONBLOCK 0x4000 /* non blocking I/O (POSIX style) */
#define _FNOCTTY 0x8000 /* don't assign a ctty on this open */
#define _FMARK 0x10000 /* internal; mark during gc() */
#define _FDEFER 0x20000 /* internal; defer for next gc pass */
#define O_ACCMODE (O_RDONLY|O_WRONLY|O_RDWR)
/*
* Flag values for open(2) and fcntl(2)
* The kernel adds 1 to the open modes to turn it into some
* combination of FREAD and FWRITE.
*/
#define O_RDONLY 0 /* +1 == FREAD */
#define O_WRONLY 1 /* +1 == FWRITE */
#define O_RDWR 2 /* +1 == FREAD|FWRITE */
#define O_APPEND _FAPPEND
#define O_CREAT _FCREAT
#define O_TRUNC _FTRUNC
#define O_EXCL _FEXCL
/* O_SYNC _FSYNC not posix, defined below */
/* O_NDELAY _FNDELAY set in include/fcntl.h */
/* O_NDELAY _FNBIO set in 5include/fcntl.h */
#define O_NONBLOCK _FNONBLOCK
#define O_NOCTTY _FNOCTTY
#ifndef _POSIX_SOURCE
#define O_SYNC _FSYNC
/*
* Flags that work for fcntl(fd, F_SETFL, FXXXX)
*/
#define FAPPEND _FAPPEND
#define FSYNC _FSYNC
#define FASYNC _FASYNC
#define FNBIO _FNBIO
#define FNONBIO _FNONBLOCK /* XXX fix to be NONBLOCK everywhere */
#define FNDELAY _FNDELAY
/*
* Flags that are disallowed for fcntl's (FCNTLCANT);
* used for opens, internal state, or locking.
*/
#define FREAD _FREAD
#define FWRITE _FWRITE
#define FMARK _FMARK
#define FDEFER _FDEFER
#define FSETBLK _FSETBLK
#define FSHLOCK _FSHLOCK
#define FEXLOCK _FEXLOCK
/*
* The rest of the flags, used only for opens
*/
#define FOPEN _FOPEN
#define FCREAT _FCREAT
#define FTRUNC _FTRUNC
#define FEXCL _FEXCL
#define FNOCTTY _FNOCTTY
#endif !_POSIX_SOURCE
/* XXX close on exec request; must match UF_EXCLOSE in user.h */
#define FD_CLOEXEC 1 /* posix */
/* fcntl(2) requests */
#define F_DUPFD 0 /* Duplicate fildes */
#define F_GETFD 1 /* Get fildes flags (close on exec) */
#define F_SETFD 2 /* Set fildes flags (close on exec) */
#define F_GETFL 3 /* Get file flags */
#define F_SETFL 4 /* Set file flags */
#ifndef _POSIX_SOURCE
#define F_GETOWN 5 /* Get owner - for ASYNC */
#define F_SETOWN 6 /* Set owner - for ASYNC */
#endif /* !_POSIX_SOURCE */
#define F_GETLK 7 /* Get record-locking information */
#define F_SETLK 8 /* Set or Clear a record-lock (Non-Blocking) */
#define F_SETLKW 9 /* Set or Clear a record-lock (Blocking) */
#ifndef _POSIX_SOURCE
#define F_RGETLK 10 /* Test a remote lock to see if it is blocked */
#define F_RSETLK 11 /* Set or unlock a remote lock */
#define F_CNVT 12 /* Convert a fhandle to an open fd */
#define F_RSETLKW 13 /* Set or Clear remote record-lock(Blocking) */
#endif /* !_POSIX_SOURCE */
/* fcntl(2) flags (l_type field of flock structure) */
#define F_RDLCK 1 /* read lock */
#define F_WRLCK 2 /* write lock */
#define F_UNLCK 3 /* remove lock(s) */
#ifndef _POSIX_SOURCE
#define F_UNLKSYS 4 /* remove remote locks for a given system */
#endif /* !_POSIX_SOURCE */
#include <sys/stdtypes.h>
/* file segment locking set data type - information passed to system by user */
struct flock {
short l_type; /* F_RDLCK, F_WRLCK, or F_UNLCK */
short l_whence; /* flag to choose starting offset */
long l_start; /* relative offset, in bytes */
long l_len; /* length, in bytes; 0 means lock to EOF */
short l_pid; /* returned with F_GETLK */
short l_xxx; /* reserved for future use */
};
#ifndef _POSIX_SOURCE
/* extended file segment locking set data type */
struct eflock {
short l_type; /* F_RDLCK, F_WRLCK, or F_UNLCK */
short l_whence; /* flag to choose starting offset */
long l_start; /* relative offset, in bytes */
long l_len; /* length, in bytes; 0 means lock to EOF */
short l_pid; /* returned with F_GETLK */
short l_xxx; /* reserved for future use */
long l_rpid; /* Remote process id wanting this lock */
long l_rsys; /* Remote system id wanting this lock */
};
#endif /* !_POSIX_SOURCE */
#ifndef KERNEL
#include <sys/stat.h> /* sigh. for the mode bits for open/creat */
#include <sys/cdefs.h>
__BEGIN_DECLS
int open __P_((const char *path, int flags, ...));
int creat __P_((const char *path, mode_t modes));
int fcntl __P_((int fd, int cmd, ...));
__END_DECLS
#endif /* !KERNEL */
#endif /* !__sys_fcntlcom_h */
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