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- /*-
- * Copyright (c) 1983, 1990 The Regents of the University of California.
- * All rights reserved.
- *
- * Redistribution is only permitted until one year after the first shipment
- * of 4.4BSD by the Regents. Otherwise, redistribution and use in source and
- * binary forms are permitted provided that: (1) source distributions retain
- * this entire copyright notice and comment, and (2) distributions including
- * binaries display the following acknowledgement: This product includes
- * software developed by the University of California, Berkeley and its
- * contributors'' in the documentation or other materials provided with the
- * distribution and in all advertising materials mentioning features or use
- * of this software. 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 AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
- * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
- *
- * @(#)fcntl.h 5.5 (Berkeley) 5/29/90
- */
-
- #ifndef F_DUPFD
-
- /* command values for fcntl(2) */
- #define F_DUPFD 0 /* duplicate file descriptor */
- #define F_GETFD 1 /* get file descriptor flags */
- #define F_SETFD 2 /* set file descriptor flags */
- #define F_GETFL 3 /* get file status flags */
- #define F_SETFL 4 /* set file status flags */
- #ifndef _POSIX_SOURCE
- #define F_GETOWN 5 /* get SIGIO/SIGURG proc/pgrp */
- #define F_SETOWN 6 /* set SIGIO/SIGURG proc/pgrp */
- #endif
- #define F_GETLK 7 /* get record locking information */
- #define F_SETLK 8 /* set record locking information */
- #define F_SETLKW 9 /* F_SETLK; wait if blocked */
-
- /* file descriptor flags (F_GETFD, F_SETFD) */
- #define FD_CLOEXEC 1 /* close-on-exec flag */
-
- /* record locking flags (F_GETLK, F_SETLK, F_SETLKW) */
- #define F_RDLCK 1 /* shared or read lock */
- #define F_UNLCK 2 /* unlock */
- #define F_WRLCK 3 /* exclusive or write lock */
-
- #ifndef _POSIX_SOURCE
- /* lock operations for flock(2) */
- #define LOCK_SH 0x01 /* shared file lock */
- #define LOCK_EX 0x02 /* exclusive file lock */
- #define LOCK_NB 0x04 /* don't block when locking */
- #define LOCK_UN 0x08 /* unlock file */
- #endif
-
- #if !defined(COMP_THINKC)
- /* file status flags */
- #define O_RDONLY 00000 /* open for reading only */
- #define O_WRONLY 00001 /* open for writing only */
- #define O_RDWR 00002 /* open for reading and writing */
- #define O_NONBLOCK 00004 /* no delay */
- #endif /* !COMP_THINKC */
- #ifndef _POSIX_SOURCE
- #if !defined(COMP_THINKC)
- #define O_NDELAY O_NONBLOCK
- #endif /* !COMP_THINKC */
- #define FNDELAY O_NONBLOCK
- #endif
- /* 00008 /* unused */
- #if !defined(COMP_THINKC) && !defined(__MWERKS__)
- #define O_APPEND 00010 /* set append mode */
- #ifndef _POSIX_SOURCE
- #define FAPPEND O_APPEND
- #endif
- /* kernel placeholders */
- #if !defined(_POSIX_SOURCE) && defined(KERNEL)
- #define O_MARK 00020 /* mark during gc() */
- #define O_DEFER 00040 /* defer for next gc pass */
- #endif
- /* 00080 /* unused */
- #ifndef _POSIX_SOURCE
- #define O_ASYNC 00100 /* signal pgrp when data ready */
- #define FASYNC O_ASYNC
- #define O_SHLOCK 00200 /* shared file lock present */
- #define O_EXLOCK 00400 /* exclusive file lock present */
- /* 00800 /* unused */
- #endif
- #define O_CREAT 01000 /* create if nonexistant */
- #define O_TRUNC 02000 /* truncate to zero length */
- #define O_EXCL 04000 /* error if already exists */
- /* 08000 /* unused */
-
- /* defined by POSIX 1003.1; BSD default, so no bit required */
- #define O_NOCTTY 0 /* don't assign controlling terminal */
-
- /* mask for file access modes */
- #define O_ACCMODE (O_RDONLY|O_WRONLY|O_RDWR)
-
- #if __STDC__ || c_plusplus
- extern int fcntl(int, int, int);
- extern int creat(const char *, mode_t);
- extern int open(const char *, int, ...);
- #else
- extern int fcntl();
- extern int creat();
- extern int open();
- #endif
-
- #endif /* !COMP_THINKC */
-
- #endif /* !F_DUPFD */
-