Module nix::unistd

Safe wrappers around functions found in libc “unistd.h” header

Structs

• AccessFlags
  Options for access()

Enums

• LinkatFlags
  Flags for linkat function.
• UnlinkatFlags
  Flags for unlinkat function.
• Whence
  Directive that tells lseek and lseek64 what the offset is relative to.

Functions

• access
  Checks the file named by path for accessibility according to the flags given by amode See access(2)
• chdir
  Change the current working directory of the calling process (see chdir(2)).
• chroot
• close
  Close a raw file descriptor
• dup
  Create a copy of the specified file descriptor (see dup(2)).
• dup2
  Create a copy of the specified file descriptor using the specified fd (see dup(2)).
• dup3
  Create a new copy of the specified file descriptor using the specified fd and flags (see dup(2)).
• eaccess
  Checks the file named by path for accessibility according to the flags given by mode using effective UID, effective GID and supplementary group lists.
• faccessat
  Checks the file named by path for accessibility according to the flags given by mode
• fchdir
  Change the current working directory of the process to the one given as an open file descriptor (see fchdir(2)).
• fdatasync
  Synchronize the data of a file
• fsync
  Synchronize changes to a file
• ftruncate
  Truncate a file to a specified length
• getcwd
  Returns the current directory as a PathBuf
• isatty
• linkat
  Link one file to another file
• lseek
  Move the read/write file offset.
• lseek64
• mkdir
  Creates new directory path with access rights mode. (see mkdir(2))
• mkfifo
  Creates new fifo special file (named pipe) with path path and access rights mode.
• mkfifoat
  Creates new fifo special file (named pipe) with path path and access rights mode.
• mkstemp
  Creates a regular file which persists even after process termination
• pipe
  Create an interprocess channel.
• pipe2
  Like pipe, but allows setting certain file descriptor flags.
• pivot_root
• read
  Read from a raw file descriptor.
• sleep
  Suspend execution for an interval of time
• symlinkat
  Creates a symbolic link at path2 which points to path1.
• sync
  Commit filesystem caches to disk
• syncfs
  Commit filesystem caches containing file referred to by the open file descriptor fd to disk
• truncate
  Truncate a file to a specified length
• unlink
  Remove a directory entry
• unlinkat
  Remove a directory entry
• write
  Write to a raw file descriptor.