Module nix::unistd

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

Modules

• alarm
  Alarm signal scheduling.

Structs

• AccessFlags
  Options for access()
• Pid
  Process identifier

Enums

• ForkResult
  Represents the successful result of calling fork
• 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
• daemon
  Daemonize this process by detaching from the controlling terminal (see daemon(3)).
• 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)).
• execv
  Replace the current process image with a new one (see exec(3)).
• execve
  Replace the current process image with a new one (see execve(2)).
• execveat
  Execute program relative to a directory file descriptor (see execveat(2)).
• execvp
  Replace the current process image with a new one and replicate shell PATH searching behavior (see exec(3)).
• execvpe
  Replace the current process image with a new one and replicate shell PATH searching behavior (see execvpe(3)).
• 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
• fexecve
  Replace the current process image with a new one (see fexecve(2)).
• fork^⚠
  Create a new child process duplicating the parent process (see fork(2)).
• fsync
  Synchronize changes to a file
• ftruncate
  Truncate a file to a specified length
• getcwd
  Returns the current directory as a PathBuf
• getpgid
• getpgrp
  Get the group id of the calling process (see getpgrp(3)).
• getpid
  Get the pid of this process (see getpid(2)).
• getppid
  Get the pid of this processes’ parent (see getpid(2)).
• getsid
  Get the process group ID of a session leader getsid(2).
• gettid
  Get the caller’s thread ID (see gettid(2).
• 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
• pause
  Suspend the thread until a signal is received.
• pipe
  Create an interprocess channel.
• pipe2
  Like pipe, but allows setting certain file descriptor flags.
• pivot_root
• read
  Read from a raw file descriptor.
• setpgid
  Set a process group ID (see setpgid(2)).
• setsid
  Create new session and set process group id (see setsid(2)).
• 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
• 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.