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Section 2 — BetterMan

2—System Calls

496 pages

A
accept(2)
accept a connection on a socket
↵
accept4(2)
accept a connection on a socket
↵
access(2)
check user's permissions for a file
↵
acct(2)
switch process accounting on or off
↵
add_key(2)
add a key to the kernel's key management facility
↵
adjtimex(2)
tune kernel clock
↵
afs_syscall(2)
unimplemented system calls
↵
alarm(2)
set an alarm clock for delivery of a signal
↵
alloc_hugepages(2)
allocate or free huge pages
↵
arch_prctl(2)
set architecture-specific thread state
↵
arm_fadvise(2)
predeclare an access pattern for file data
↵
arm_fadvise64_64(2)
predeclare an access pattern for file data
↵
arm_sync_file_range(2)
sync a file segment with disk
↵
B
bdflush(2)
start, flush, or tune buffer-dirty-flush daemon
↵
bind(2)
bind a name to a socket
↵
bpf(2)
perform a command on an extended BPF map or program
↵
break(2)
unimplemented system calls
↵
brk(2)
change data segment size
↵
C
cacheflush(2)
flush contents of instruction and/or data cache
↵
capget(2)
set/get capabilities of thread(s)
↵
capset(2)
set/get capabilities of thread(s)
↵
chdir(2)
change working directory
↵
chmod(2)
change permissions of a file
↵

D
delete_module(2)
unload a kernel module
↵
dup(2)
duplicate a file descriptor
↵
dup2(2)
duplicate a file descriptor
↵
dup3(2)
duplicate a file descriptor
↵
E
epoll_create(2)
open an epoll file descriptor
↵
epoll_create1(2)
open an epoll file descriptor
↵
epoll_ctl(2)
control interface for an epoll file descriptor
↵
epoll_pwait(2)
wait for an I/O event on an epoll file descriptor
↵
epoll_pwait2(2)
wait for an I/O event on an epoll file descriptor

F
faccessat(2)
check user's permissions for a file
↵
faccessat2(2)
check user's permissions for a file
↵
fadvise64(2)
predeclare an access pattern for file data
↵
fadvise64_64(2)
predeclare an access pattern for file data
↵
fallocate(2)
manipulate file space
↵

G
getcpu(2)
determine CPU and NUMA node on which the calling thread is running
↵
getcwd(2)
get current working directory
↵
getdents(2)
get directory entries
↵
getdents64(2)
get directory entries
↵
getdomainname(2)
get/set NIS domain name
↵

I
idle(2)
make process 0 idle
↵
inb(2)
port I/O
↵
inb_p(2)
port I/O
↵
init_module(2)
load a kernel module
↵
inl(2)
port I/O
↵

K
kcmp(2)
compare two processes to determine if they share a kernel resource
↵
kexec_file_load(2)
load a new kernel for later execution
↵
kexec_load(2)
load a new kernel for later execution
↵
keyctl(2)
manipulate the kernel's key management facility
↵
kill(2)
send signal to a process
↵
L
landlock_add_rule(2)
add a new Landlock rule to a ruleset
↵
landlock_create_ruleset(2)
create a new Landlock ruleset
↵
landlock_restrict_self(2)
enforce a Landlock ruleset
↵
lchown(2)
change ownership of a file
↵
lchown32(2)
change ownership of a file

Showing 1-200 of 496 results.

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change ownership of a file

change ownership of a file

change root directory

clock_adjtime(2)

tune kernel clock

clock_getres(2)

clock and time functions

clock_gettime(2)

clock and time functions

clock_nanosleep(2)

high-resolution sleep with specifiable clock

clock_settime(2)

clock and time functions

create a child process

create a child process

create a child process

close a file descriptor

close all file descriptors in a given range

initiate a connection on a socket

copy_file_range(2)

Copy a range of data from one file to another

open and possibly create a file

create_module(2)

create a loadable module entry

↵

wait for an I/O event on an epoll file descriptor

create a file descriptor for event notification

create a file descriptor for event notification

execute program

execute program relative to a directory file descriptor

terminate the calling process

exit all threads in a process

fanotify_init(2)

create and initialize fanotify group

fanotify_mark(2)

add, remove, or modify an fanotify mark on a filesystem object

unimplemented system calls

change working directory

change permissions of a file

change permissions of a file

change ownership of a file

change ownership of a file

change ownership of a file

manipulate file descriptor

manipulate file descriptor

synchronize a file's in-core state with storage device

unimplemented system calls

retrieve an extended attribute value

finit_module(2)

load a kernel module

list extended attribute names

apply or remove an advisory lock on an open file

create a child process

free_hugepages(2)

allocate or free huge pages

fremovexattr(2)

remove an extended attribute

set an extended attribute value

get file status

get file status

get file status

get file status

get filesystem statistics

get filesystem statistics

synchronize a file's in-core state with storage device

truncate a file to a specified length

truncate a file to a specified length

fast user-space locking

change timestamps of a file relative to a directory file descriptor

get group identity

get group identity

get user identity

get user identity

get group identity

get group identity

get/set list of supplementary group IDs

get/set list of supplementary group IDs

get/set hostname

get or set value of an interval timer

get_kernel_syms(2)

retrieve exported kernel and module symbols

get_mempolicy(2)

retrieve NUMA memory policy for a thread

unimplemented system calls

get memory page size

get name of connected peer socket

set/get process group

set/get process group

get process identification

unimplemented system calls

get process identification

get/set program scheduling priority

obtain a series of random bytes

get real, effective, and saved user/group IDs

get real, effective, and saved user/group IDs

get real, effective, and saved user/group IDs

get real, effective, and saved user/group IDs

get/set resource limits

get_robust_list(2)

get/set list of robust futexes

get resource usage

get socket name

get and set options on sockets

get_thread_area(2)

manipulate thread-local storage information

get thread identification

gettimeofday(2)

get user identity

get user identity

copy the unwind data to caller's buffer

retrieve an extended attribute value

unimplemented system calls

inl_p(2)

port I/O

↵

inotify_add_watch(2)

add a watch to an initialized inotify instance

inotify_init(2)

initialize an inotify instance

inotify_init1(2)

initialize an inotify instance

inotify_rm_watch(2)

remove an existing watch from an inotify instance

introduction to system calls

cancel an outstanding asynchronous I/O operation

ioctl_console(2)

ioctls for console terminal and virtual consoles

ioctl_eventpoll(2)

ioctl() operations for epoll file descriptors

manipulating the FAT filesystem

filesystem operations

retrieve the physical layout of the filesystem

ioctls for console terminal and virtual consoles

ioctl() operations for Linux namespaces

ioctl() operations for General notification mechanism

ioctls for terminals and serial lines

ioctl_userfaultfd(2)

create a file descriptor for handling page faults in user space

ioctls for console terminal and virtual consoles

destroy an asynchronous I/O context

io_getevents(2)

read asynchronous I/O events from the completion queue

set port input/output permissions

change I/O privilege level

get/set I/O scheduling class and priority

get/set I/O scheduling class and priority

create an asynchronous I/O context

submit asynchronous I/O blocks for processing

System V IPC system calls

unimplemented system calls

↵

retrieve an extended attribute value

make a new name for a file

make a new name for a file

listen for connections on a socket

list extended attribute names

list extended attribute names

reposition read/write file offset

unimplemented system calls

lookup_dcookie(2)

return a directory entry's path

lremovexattr(2)

remove an extended attribute

reposition read/write file offset

set an extended attribute value

get file status