Module nix::fcntl

file control options

Re-exports

• pub use self::FcntlArg::*;

Structs

• AtFlags
  Flags that control how the various *at syscalls behave.
• FallocateFlags
  Mode argument flags for fallocate determining operation performed on a given range.
• FdFlag
  Additional configuration flags for fcntl’s F_SETFD.
• Flock
  Represents an owned flock, which unlocks on drop.
• OFlag
  Configuration options for opened files.
• OpenHow
  Specifies how openat2() should open a pathname.
• RenameFlags
  Flags for use with renameat2.
• ResolveFlag
  Path resolution flags.
• SealFlag
  Additional flags for file sealing, which allows for limiting operations on a file.
• SpliceFFlags
  Additional flags to splice and friends.

Enums

• FcntlArg
  Commands for use with fcntl.
• FlockArg
  Operations for use with Flock::lock.
• PosixFadviseAdvice
  The specific advice provided to posix_fadvise.

Constants

• AT_FDCWD
  A file descriptor referring to the working directory of the current process that should be ONLY passed to the dirfd argument of those xxat() functions.

Traits

• Flockable
  Represents valid types for flock.

Functions

• copy_file_range
  Copy a range of data from one file to another
• fallocate
  Manipulates file space.
• fcntl
  Perform various operations on open file descriptors.
• flockDeprecated
• open
  open or create a file for reading, writing or executing
• openat
  open or create a file for reading, writing or executing
• openat2
  Open or create a file for reading, writing or executing.
• posix_fadvise
  Allows a process to describe to the system its data access behavior for an open file descriptor.
• posix_fallocate
  Pre-allocate storage for a range in a file
• readlink
  Read value of a symbolic link
• readlinkat
  Read value of a symbolic link.
• renameat
  Change the name of a file.
• renameat2
  Like renameat, but with an additional flags argument.
• splice
  Splice data to/from a pipe
• tee
  Duplicate pipe content
• vmsplice
  Splice user pages to/from a pipe