diff options
Diffstat (limited to 'sysdeps/unix/sysv/bits/fcntl.h')
-rw-r--r-- | sysdeps/unix/sysv/bits/fcntl.h | 93 |
1 files changed, 0 insertions, 93 deletions
diff --git a/sysdeps/unix/sysv/bits/fcntl.h b/sysdeps/unix/sysv/bits/fcntl.h deleted file mode 100644 index e9f5085c03..0000000000 --- a/sysdeps/unix/sysv/bits/fcntl.h +++ /dev/null @@ -1,93 +0,0 @@ -/* O_*, F_*, FD_* bit values for System V. - Copyright (C) 1991, 1992, 1997 Free Software Foundation, Inc. - This file is part of the GNU C Library. - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - The GNU C Library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, see - <http://www.gnu.org/licenses/>. */ - -#ifndef _FCNTL_H -#error "Never use <bits/fcntl.h> directly; include <fcntl.h> instead." -#endif - - -/* File access modes for `open' and `fcntl'. */ -#define O_RDONLY 0 /* Open read-only. */ -#define O_WRONLY 1 /* Open write-only. */ -#define O_RDWR 2 /* Open read/write. */ - - -/* Bits OR'd into the second argument to open. */ -#define O_CREAT 00400 /* Create file if it doesn't exist. */ -#define O_EXCL 02000 /* Fail if file already exists. */ -#define O_TRUNC 01000 /* Truncate file to zero length. */ -#if defined __USE_BSD || defined __USE_SVID -#define O_SYNC 00020 /* Synchronous writes. */ -#define O_FSYNC O_SYNC -#endif - -/* File status flags for `open' and `fcntl'. */ -#define O_APPEND 000010 /* Writes append to the file. */ -#define O_NONBLOCK 000004 /* Non-blocking I/O. */ - -#ifdef __USE_BSD -/* System V doesn't support POSIX.1 O_NONBLOCK, but O_NDELAY is close. */ -#define O_NDELAY O_NONBLOCK -#endif - -/* Mask for file access modes. This is system-dependent in case - some system ever wants to define some other flavor of access. */ -#define O_ACCMODE (O_RDONLY|O_WRONLY|O_RDWR) - -/* Values for the second argument to `fcntl'. */ -#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. */ -#define F_GETLK 5 /* Get record locking info. */ -#define F_SETLK 6 /* Set record locking info. */ -#define F_SETLKW 7 /* Set record locking info, wait. */ - -/* File descriptor flags used with F_GETFD and F_SETFD. */ -#define FD_CLOEXEC 1 /* Close on exec. */ - - -#include <bits/types.h> - -/* The structure describing an advisory lock. This is the type of the third - argument to `fcntl' for the F_GETLK, F_SETLK, and F_SETLKW requests. */ -struct flock - { - short int l_type; /* Type of lock: F_RDLCK, F_WRLCK, or F_UNLCK. */ - short int l_whence; /* Where `l_start' is relative to (like `lseek'). */ - __off_t l_start; /* Offset where the lock begins. */ - __off_t l_len; /* Size of the locked area; zero means until EOF. */ - short int l_sysid; /* System ID where locking process resides. */ - short int l_pid; /* Process holding the lock. */ - }; - -/* Values for the `l_type' field of a `struct flock'. */ -#define F_RDLCK 1 /* Read lock. */ -#define F_WRLCK 2 /* Write lock. */ -#define F_UNLCK 3 /* Remove lock. */ - - -/* Define some more compatibility macros to be backward compatible with - BSD systems which did not managed to hide these kernel macros. */ -#ifdef __USE_BSD -#define FAPPEND O_APPEND -#define FFSYNC O_FSYNC -#define FNONBLOCK O_NONBLOCK -#define FNDELAY O_NDELAY -#endif /* Use BSD. */ |