diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/bits/fcntl-linux.h')
| -rw-r--r-- | sysdeps/unix/sysv/linux/bits/fcntl-linux.h | 89 |
1 files changed, 53 insertions, 36 deletions
diff --git a/sysdeps/unix/sysv/linux/bits/fcntl-linux.h b/sysdeps/unix/sysv/linux/bits/fcntl-linux.h index 7e5b0aecdc..269494261e 100644 --- a/sysdeps/unix/sysv/linux/bits/fcntl-linux.h +++ b/sysdeps/unix/sysv/linux/bits/fcntl-linux.h @@ -1,5 +1,5 @@ /* O_*, F_*, FD_* bit values for Linux. - Copyright (C) 2001-2016 Free Software Foundation, Inc. + Copyright (C) 2001-2018 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 @@ -35,7 +35,7 @@ */ #ifdef __USE_GNU -# include <bits/uio.h> +# include <bits/types/struct_iovec.h> #endif /* open/fcntl. */ @@ -76,7 +76,7 @@ #endif #ifndef __O_DIRECTORY -# define __O_DIRECTORY 0200000 +# define __O_DIRECTORY 0200000 #endif #ifndef __O_NOFOLLOW # define __O_NOFOLLOW 0400000 @@ -104,9 +104,9 @@ # ifndef __USE_FILE_OFFSET64 # define F_GETLK 5 /* Get record locking info. */ # define F_SETLK 6 /* Set record locking info (non-blocking). */ -# define F_SETLKW 7 /* Set record locking info (blocking). */ +# define F_SETLKW 7 /* Set record locking info (blocking). */ # else -# define F_GETLK F_GETLK64 /* Get record locking info. */ +# define F_GETLK F_GETLK64 /* Get record locking info. */ # define F_SETLK F_SETLK64 /* Set record locking info (non-blocking).*/ # define F_SETLKW F_SETLKW64 /* Set record locking info (blocking). */ # endif @@ -114,7 +114,7 @@ #ifndef F_GETLK64 # define F_GETLK64 12 /* Get record locking info. */ # define F_SETLK64 13 /* Set record locking info (non-blocking). */ -# define F_SETLKW64 14 /* Set record locking info (blocking). */ +# define F_SETLKW64 14 /* Set record locking info (blocking). */ #endif /* open file description locks. @@ -139,27 +139,27 @@ #endif #ifdef __USE_XOPEN2K8 -# define O_DIRECTORY __O_DIRECTORY /* Must be a directory. */ -# define O_NOFOLLOW __O_NOFOLLOW /* Do not follow links. */ +# define O_DIRECTORY __O_DIRECTORY /* Must be a directory. */ +# define O_NOFOLLOW __O_NOFOLLOW /* Do not follow links. */ # define O_CLOEXEC __O_CLOEXEC /* Set close_on_exec. */ #endif #ifdef __USE_GNU -# define O_DIRECT __O_DIRECT /* Direct disk access. */ +# define O_DIRECT __O_DIRECT /* Direct disk access. */ # define O_NOATIME __O_NOATIME /* Do not set atime. */ # define O_PATH __O_PATH /* Resolve pathname but do not open file. */ # define O_TMPFILE __O_TMPFILE /* Atomically create nameless file. */ #endif -/* For now, Linux has no separate synchronicitiy options for read +/* For now, Linux has no separate synchronicity options for read operations. We define O_RSYNC therefore as the same as O_SYNC since this is a superset. */ #if defined __USE_POSIX199309 || defined __USE_UNIX98 # define O_DSYNC __O_DSYNC /* Synchronize data. */ # if defined __O_RSYNC -# define O_RSYNC __O_RSYNC /* Synchronize read operations. */ +# define O_RSYNC __O_RSYNC /* Synchronize read operations. */ # else -# define O_RSYNC O_SYNC /* Synchronize read operations. */ +# define O_RSYNC O_SYNC /* Synchronize read operations. */ # endif #endif @@ -197,11 +197,18 @@ #endif #ifdef __USE_GNU -# define F_SETLEASE 1024 /* Set a lease. */ +# define F_SETLEASE 1024 /* Set a lease. */ # define F_GETLEASE 1025 /* Enquire what lease is active. */ # define F_NOTIFY 1026 /* Request notifications on a directory. */ # define F_SETPIPE_SZ 1031 /* Set pipe page size array. */ # define F_GETPIPE_SZ 1032 /* Set pipe page size array. */ +# define F_ADD_SEALS 1033 /* Add seals to file. */ +# define F_GET_SEALS 1034 /* Get seals for file. */ +/* Set / get write life time hints. */ +# define F_GET_RW_HINT 1035 +# define F_SET_RW_HINT 1036 +# define F_GET_FILE_RW_HINT 1037 +# define F_SET_FILE_RW_HINT 1038 #endif #ifdef __USE_XOPEN2K8 # define F_DUPFD_CLOEXEC 1030 /* Duplicate file descriptor with @@ -214,8 +221,8 @@ #ifndef F_RDLCK /* For posix fcntl() and `l_type' field of a `struct flock' for lockf(). */ # define F_RDLCK 0 /* Read lock. */ -# define F_WRLCK 1 /* Write lock. */ -# define F_UNLCK 2 /* Remove lock. */ +# define F_WRLCK 1 /* Write lock. */ +# define F_UNLCK 2 /* Remove lock. */ #endif @@ -235,10 +242,10 @@ #endif #ifdef __USE_GNU -# define LOCK_MAND 32 /* This is a mandatory flock: */ -# define LOCK_READ 64 /* ... which allows concurrent read operations. */ +# define LOCK_MAND 32 /* This is a mandatory flock: */ +# define LOCK_READ 64 /* ... which allows concurrent read operations. */ # define LOCK_WRITE 128 /* ... which allows concurrent write operations. */ -# define LOCK_RW 192 /* ... Which allows concurrent read & write operations. */ +# define LOCK_RW 192 /* ... Which allows concurrent read & write operations. */ #endif #ifdef __USE_GNU @@ -271,6 +278,24 @@ struct f_owner_ex }; #endif +#ifdef __USE_GNU +/* Types of seals. */ +# define F_SEAL_SEAL 0x0001 /* Prevent further seals from being set. */ +# define F_SEAL_SHRINK 0x0002 /* Prevent file from shrinking. */ +# define F_SEAL_GROW 0x0004 /* Prevent file from growing. */ +# define F_SEAL_WRITE 0x0008 /* Prevent writes. */ +#endif + +#ifdef __USE_GNU +/* Hint values for F_{GET,SET}_RW_HINT. */ +# define RWF_WRITE_LIFE_NOT_SET 0 +# define RWH_WRITE_LIFE_NONE 1 +# define RWH_WRITE_LIFE_SHORT 2 +# define RWH_WRITE_LIFE_MEDIUM 3 +# define RWH_WRITE_LIFE_LONG 4 +# define RWH_WRITE_LIFE_EXTREME 5 +#endif + /* Define some more compatibility macros to be backward compatible with BSD systems which did not managed to hide these kernel macros. */ #ifdef __USE_MISC @@ -289,7 +314,7 @@ struct f_owner_ex #ifdef __USE_XOPEN2K # define POSIX_FADV_NORMAL 0 /* No further special treatment. */ # define POSIX_FADV_RANDOM 1 /* Expect random page references. */ -# define POSIX_FADV_SEQUENTIAL 2 /* Expect sequential page references. */ +# define POSIX_FADV_SEQUENTIAL 2 /* Expect sequential page references. */ # define POSIX_FADV_WILLNEED 3 /* Will need these pages. */ # define POSIX_FADV_DONTNEED __POSIX_FADV_DONTNEED /* Don't need these pages. */ # define POSIX_FADV_NOREUSE __POSIX_FADV_NOREUSE /* Data will be accessed once. */ @@ -318,15 +343,7 @@ struct f_owner_ex /* Flags for fallocate. */ -# define FALLOC_FL_KEEP_SIZE 1 /* Don't extend size of file - even if offset + len is - greater than file size. */ -# define FALLOC_FL_PUNCH_HOLE 2 /* Create a hole in the file. */ -# define FALLOC_FL_COLLAPSE_RANGE 8 /* Remove a range of a file - without leaving a - hole. */ -# define FALLOC_FL_ZERO_RANGE 16 /* Convert a range of a - file to zeros. */ +# include <linux/falloc.h> /* File handle structure. */ @@ -347,7 +364,7 @@ __BEGIN_DECLS #ifdef __USE_GNU /* Provide kernel hint to read ahead. */ -extern ssize_t readahead (int __fd, __off64_t __offset, size_t __count) +extern __ssize_t readahead (int __fd, __off64_t __offset, size_t __count) __THROW; @@ -363,23 +380,23 @@ extern int sync_file_range (int __fd, __off64_t __offset, __off64_t __count, This function is a possible cancellation point and therefore not marked with __THROW. */ -extern ssize_t vmsplice (int __fdout, const struct iovec *__iov, - size_t __count, unsigned int __flags); +extern __ssize_t vmsplice (int __fdout, const struct iovec *__iov, + size_t __count, unsigned int __flags); /* Splice two files together. This function is a possible cancellation point and therefore not marked with __THROW. */ -extern ssize_t splice (int __fdin, __off64_t *__offin, int __fdout, - __off64_t *__offout, size_t __len, - unsigned int __flags); +extern __ssize_t splice (int __fdin, __off64_t *__offin, int __fdout, + __off64_t *__offout, size_t __len, + unsigned int __flags); /* In-kernel implementation of tee for pipe buffers. This function is a possible cancellation point and therefore not marked with __THROW. */ -extern ssize_t tee (int __fdin, int __fdout, size_t __len, - unsigned int __flags); +extern __ssize_t tee (int __fdin, int __fdout, size_t __len, + unsigned int __flags); /* Reserve storage for the data of the file associated with FD. |