Module fd

Functions which operate on file descriptors.

Structs

Timestamps

Timestamps used by utimensat and futimens.

Constants

NFS_SUPER_MAGIC

The filesystem magic number for NFS.

PROC_SUPER_MAGIC

The filesystem magic number for procfs.

Functions

fallocate

fallocate(fd, mode, offset, len)—Adjusts file allocation.

fchmod

fchmod(fd, mode)—Sets open file or directory permissions.

fchown

fchown(fd, owner, group)—Sets open file or directory ownership.

fdatasync

fdatasync(fd)—Ensures that file data is written to the underlying storage device.

flock

flock(fd, operation)—Acquire or release an advisory lock on an open file.

fstat

fstat(fd)—Queries metadata for an open file or directory.

fstatfs

fstatfs(fd)—Queries filesystem statistics for an open file or directory.

fstatvfs

fstatvfs(fd)—Queries filesystem statistics for an open file or directory, POSIX version.

fsync

fsync(fd)—Ensures that file data and metadata is written to the underlying storage device.

ftruncate

ftruncate(fd, length)—Sets the length of a file.

futimens

futimens(fd, times)—Sets timestamps for an open file or directory.

seek

lseek(fd, offset, whence)—Repositions a file descriptor within a file.

syncfs

syncfs(fd)—Flush cached filesystem data.

tell

lseek(fd, 0, SEEK_CUR)—Returns the current position within a file.