Module unistd

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

Modules

• alarmsignal
  Alarm signal scheduling.

Structs

• AccessFlagsfs
  Options for access()
• Pidprocess
  Process identifier

Enums

• ForkResultprocess
  Represents the successful result of calling fork
• UnlinkatFlagsfs
  Flags for unlinkat function.
• Whencefs
  Directive that tells lseek and lseek64 what the offset is relative to.

Functions

• accessfs
  Checks the file named by path for accessibility according to the flags given by amode See access(2)
• chdirfs
  Change the current working directory of the calling process (see chdir(2)).
• chrootfs
  Change a process’s root directory
• close
  Close a raw file descriptor
• daemonprocess
  Daemonize this process by detaching from the controlling terminal (see daemon(3)).
• dupfs
  Create a copy of the specified file descriptor (see dup(2)).
• dup2fs
  Create a copy of the specified file descriptor using the specified fd (see dup(2)).
• dup3fs
  Create a new copy of the specified file descriptor using the specified fd and flags (see dup(2)).
• eaccessfs
  Checks the file named by path for accessibility according to the flags given by mode using effective UID, effective GID and supplementary group lists.
• execvprocess
  Replace the current process image with a new one (see exec(3)).
• execveprocess
  Replace the current process image with a new one (see execve(2)).
• execveatprocess
  Execute program relative to a directory file descriptor (see execveat(2)).
• execvpprocess
  Replace the current process image with a new one and replicate shell PATH searching behavior (see exec(3)).
• execvpeprocess
  Replace the current process image with a new one and replicate shell PATH searching behavior (see execvpe(3)).
• faccessatfs
  Checks the file named by path for accessibility according to the flags given by mode
• fchdirfs
  Change the current working directory of the process to the one given as an open file descriptor (see fchdir(2)).
• fdatasyncfs
  Synchronize the data of a file
• fexecveprocess
  Replace the current process image with a new one (see fexecve(2)).
• fork^⚠process
  Create a new child process duplicating the parent process (see fork(2)).
• fsyncfs
  Synchronize changes to a file
• ftruncatefs
  Truncate a file to a specified length
• getcwdfs
  Returns the current directory as a PathBuf
• getpgidprocess
  Get process group
• getpgrpprocess
  Get the group id of the calling process (see getpgrp(3)).
• getpidprocess
  Get the pid of this process (see getpid(2)).
• getppidprocess
  Get the pid of this processes’ parent (see getpid(2)).
• getsidprocess
  Get the process group ID of a session leader getsid(2).
• gettidprocess
  Get the caller’s thread ID (see gettid(2).
• isattyfs
  Determines if the file descriptor refers to a valid terminal type device.
• linkatfs
  Link one file to another file
• lseekfs
  Move the read/write file offset.
• lseek64fs
  Move the read/write file offset.
• mkdirfs
  Creates new directory path with access rights mode. (see mkdir(2))
• mkfifofs
  Creates new fifo special file (named pipe) with path path and access rights mode.
• mkfifoatfs
  Creates new fifo special file (named pipe) with path path and access rights mode.
• mkstempfs
  Creates a regular file which persists even after process termination
• pausesignal
  Suspend the thread until a signal is received.
• pipe
  Create an interprocess channel.
• pipe2fs
  Like pipe, but allows setting certain file descriptor flags.
• pivot_rootfs
  Change the root file system.
• read
  Read from a raw file descriptor.
• setpgidprocess
  Set a process group ID (see setpgid(2)).
• setsidprocess
  Create new session and set process group id (see setsid(2)).
• sleep
  Suspend execution for an interval of time
• symlinkatfs
  Creates a symbolic link at path2 which points to path1.
• syncfs
  Commit filesystem caches to disk
• syncfsfs
  Commit filesystem caches containing file referred to by the open file descriptor fd to disk
• truncatefs
  Truncate a file to a specified length
• unlinkfs
  Remove a directory entry
• unlinkatfs
  Remove a directory entry
• write
  Write to a raw file descriptor.

Type Aliases

• LinkatFlagsfs