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Length: 1591 (0x637)
Types: TextFile
Notes: UNIX file
Names: »fcntl.h«
└─⟦a6ab2eb36⟧ Bits:30004042/kconfig3.imd SW95705I 386/ix Multi-user Release 1.2
└─⟦a6ab2eb36⟧ UNIX Filesystem
└─⟦this⟧ »kc/new/usr/include/sys/fcntl.h«
/* Copyright (c) 1984 AT&T */
/* All Rights Reserved */
/* THIS IS UNPUBLISHED PROPRIETARY SOURCE CODE OF AT&T */
/* The copyright notice above does not evidence any */
/* actual or intended publication of such source code. */
#ident "@(#)fcntl.h 1.3"
/* Flag values accessible to open(2) and fcntl(2) */
/* (The first three can only be set by open) */
#define O_RDONLY 0
#define O_WRONLY 1
#define O_RDWR 2
#define O_NDELAY 04 /* Non-blocking I/O */
#define O_APPEND 010 /* append (writes guaranteed at the end) */
#define O_SYNC 020 /* synchronous write option */
/* Flag values accessible only to open(2) */
#define O_CREAT 00400 /* open with file create (uses third open arg)*/
#define O_TRUNC 01000 /* open with truncation */
#define O_EXCL 02000 /* exclusive open */
/* fcntl(2) requests */
#define F_DUPFD 0 /* Duplicate fildes */
#define F_GETFD 1 /* Get fildes flags */
#define F_SETFD 2 /* Set fildes flags */
#define F_GETFL 3 /* Get file flags */
#define F_SETFL 4 /* Set file flags */
#define F_GETLK 5 /* Get file lock */
#define F_SETLK 6 /* Set file lock */
#define F_SETLKW 7 /* Set file lock and wait */
#define F_CHKFL 8 /* Check legality of file flag changes */
/* file segment locking set data type - information passed to system by user */
struct flock {
short l_type;
short l_whence;
long l_start;
long l_len; /* len = 0 means until end of file */
short l_sysid;
short l_pid;
};
/* file segment locking types */
/* Read lock */
#define F_RDLCK 01
/* Write lock */
#define F_WRLCK 02
/* Remove lock(s) */
#define F_UNLCK 03