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 file descriptor.

daemonprocess

Daemonize this process by detaching from the controlling terminal (see daemon(3)).

dupfs

Create a copy of the specified file descriptor.

dup2fs

Create a copy of oldfd using newfd.

dup3fs

Create a new copy of the specified file descriptor using the specified fd and flags.

dup2_raw^⚠fs

Create a copy of oldfd with any fd value you want.

dup2_stderrfs

Duplicate fd with Stderr, i.e., Stderr redirection.

dup2_stdinfs

Duplicate fd with Stdin, i.e., Stdin redirection.

dup2_stdoutfs

Duplicate fd with Stdout, i.e., Stdout redirection.

dup3_raw^⚠fs

Create a new copy of the specified file descriptor using the specified fd and flags.

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 dirfd and 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 access rights set to mode in the path specified by dirfd and path.

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 to path1 in the path specified by dirfd and path2.

syncfs

Commit filesystem caches to disk

syncfsfs

Commit filesystem caches containing file referred to by the open file descriptor fd to disk

tcgetpgrpprocess and term

Get the terminal foreground process group (see tcgetpgrp(3)).

tcsetpgrpprocess and term

Set the terminal foreground process group (see tcgetpgrp(3)).

truncatefs

Truncate a file to a specified length

ttynameterm

Get the name of the terminal device that is open on file descriptor fd (see ttyname(3)).

unlinkfs

Remove a directory entry

unlinkatfs

Remove a directory entry

write

Write to a raw file descriptor.

Type Aliases

LinkatFlagsfs