/* * Copyright (c) 1983 Regents of the University of California. * All rights reserved. The Berkeley software License Agreement * specifies the terms and conditions for redistribution. * * @(#)fcntl.h 5.2 (Berkeley) 1/8/86 */ /* * Flag values accessible to open(2) and fcntl(2)-- copied from * . (The first three can only be set by open.) */ #define O_RDONLY 000 /* open for reading */ #define O_WRONLY 001 /* open for writing */ #define O_RDWR 002 /* open for read & write */ #define O_NDELAY FNDELAY /* non-blocking open */ /* really non-blocking I/O for fcntl */ #define O_APPEND FAPPEND /* append on each write */ #define O_CREAT FCREAT /* open with file create */ #define O_TRUNC FTRUNC /* open with truncation */ #define O_EXCL FEXCL /* error on create if file exists */ #ifndef F_DUPFD /* 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_GETOWN 5 /* Get owner */ #define F_SETOWN 6 /* Set owner */ /* flags for F_GETFL, F_SETFL-- copied from */ #define FNDELAY 00004 /* non-blocking reads */ #define FAPPEND 00010 /* append on each write */ #define FASYNC 00100 /* signal pgrp when data ready */ #define FCREAT 01000 /* create if nonexistant */ #define FTRUNC 02000 /* truncate to zero length */ #define FEXCL 04000 /* error if already created */ #endif