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ladybird/Userland
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Nico Weber 8212ba467c ntpquery: Use SO_TIMESTAMP to get a more accurate destination_timestamp 
We can now see at which time a packet was received by the network
adapter, instead of having to measure user time after receiving
the packet in user space.

This means the destination timestamp is no longer affected by in-kernel
queuing delays, which can be tens of milliseconds when the system
is under load.

It also means that if ntpquery grows a message queue that waits on
replies from several requests, the time used processing one response
won't be incorrectly included in the destination timestamp of the
next response (in case two responses arrive at the network adapter
at roughly the same time).

NTP's calculations work better if send and receive latency are
about equal, and this only removes in-kernel queue delays and
context switch delays for the receiving packet. But the two
latencies aren't very equal anyways because $network. Also, maybe
we can add another API for setting the send time in the outgoing
packet in kernel space right before (or when) hitting the network
adapter and use that here too. So this still seems like progress.
2020-09-17 17:23:01 +02:00
..
Tests
Meta: Fix wonky copyright headers in Tests
2020-09-05 14:19:38 +02:00
allocate.cpp
Userland/allocate: Switch to KiB/MiB
2020-08-16 16:33:28 +02:00
aplay.cpp
Userland: Use Core::ArgsParser for 'aplay'
2020-08-06 20:41:13 +02:00
arp.cpp
AK: JsonParser improvements
2020-06-13 12:43:22 +02:00
avol.cpp
Userland: Use Core::ArgsParser for 'avol'
2020-08-06 20:41:13 +02:00
base64.cpp
AK: Rename span() to bytes() when appropriate.
2020-08-15 21:21:18 +02:00
basename.cpp
Userland: Use Core::ArgsParser for 'basename'
2020-08-06 20:41:13 +02:00
cal.cpp
Userland: Mark compilation-unit-only functions as static
2020-08-12 20:40:59 +02:00
cat.cpp
Meta: Scale back overly informal user-facing strings
2020-06-17 18:35:49 +02:00
checksum.cpp
Userland: Add {md5,sha1,sha256,sha512}sum
2020-09-13 11:37:56 +02:00
chgrp.cpp
Userland: Use Core::ArgsParser for 'chgrp'
2020-08-06 20:41:13 +02:00
chmod.cpp
chmod: Tweak usage string
2020-02-16 09:51:49 +01:00
chown.cpp
chown: Don't allow "invalid" uid/gid specs (#2596)
2020-06-21 09:54:07 +02:00
chroot.cpp
Kernel+Userland: Support remounting filesystems :^)
2020-05-29 07:53:30 +02:00
clear.cpp
clear: Use pledge()
2020-02-18 11:35:47 +01:00
CMakeLists.txt
Userland: Add {md5,sha1,sha256,sha512}sum
2020-09-13 11:37:56 +02:00
copy.cpp
LibGUI: Make the Clipboard API deal in raw byte buffers a bit more
2020-09-05 16:16:01 +02:00
cp.cpp
AK: Rename FileSystemPath -> LexicalPath
2020-05-26 14:35:10 +02:00
crash.cpp
Kernel: Move headers intended for userspace use into Kernel/API/
2020-07-04 17:22:23 +02:00
cut.cpp
cut: Accept input from stdin if no files are given
2020-07-03 19:30:13 +02:00
date.cpp
AK: Make string-to-number conversion helpers return Optional
2020-06-12 21:28:55 +02:00
df.cpp
Everywhere: Consolidate human_readable_size() implementations
2020-08-16 16:33:28 +02:00
dirname.cpp
Userland: Add a simple dirname(1) utility
2020-08-10 21:20:28 +02:00
disasm.cpp
disasm: Use make<X86::ELFSymbolProvider> instead of naked new
2020-08-17 13:12:46 +02:00
disk_benchmark.cpp
Userland: Mark compilation-unit-only functions as static
2020-08-12 20:40:59 +02:00
dmesg.cpp
AK: Use size_t for ByteBuffer sizes
2020-02-20 13:20:34 +01:00
du.cpp
Meta: Replace remaining LibM/math.h includes with math.h
2020-08-12 16:18:33 +02:00
echo.cpp
Userland: Add support for the '-n' flag to 'echo'
2020-07-30 18:47:41 +02:00
env.cpp
Userland: Allow executing binaries from PATH with env.
2020-09-16 19:39:17 +02:00
false.cpp
…
fgrep.cpp
…
find.cpp
Userland: Mark compilation-unit-only functions as static
2020-08-12 20:40:59 +02:00
flock.cpp
Everywhere: Replace some uses of fork/exec with posix_spawn
2020-06-29 12:04:27 +02:00
functrace.cpp
LibDebug: Move everything into the "Debug" namespace
2020-08-25 09:46:06 +02:00
gron.cpp
AK: JsonParser improvements
2020-06-13 12:43:22 +02:00
gunzip.cpp
AK: Lower the requirements for InputStream::eof and rename it.
2020-09-14 20:58:12 +02:00
head.cpp
Userspace: Add missing #includes now that AK/StdLibExtras.h is smaller
2020-03-08 13:06:51 +01:00
host.cpp
host: Use ArgsParser to parse arguments, and add man page (#1252)
2020-02-20 15:12:55 +01:00
hostname.cpp
Userland: Use Core::ArgsParser for 'hostname'
2020-08-06 20:41:13 +02:00
html.cpp
LibWeb: Rename PageView => InProcessWebView
2020-08-17 18:05:35 +02:00
id.cpp
Userland: Mark compilation-unit-only functions as static
2020-08-12 20:40:59 +02:00
ifconfig.cpp
Everywhere: Port to String::copy_characters_to_buffer()
2020-08-30 17:35:27 +02:00
ini.cpp
Userland: Add "ini" command to read and write .ini config files
2020-07-11 23:56:33 +02:00
jp.cpp
Userland: Handle invalid JSON in 'jp'
2020-08-06 20:41:13 +02:00
js.cpp
LibLine: Handle interrupts/window size changes internally
2020-08-21 16:10:51 +02:00
keymap.cpp
keymap: Add copyright header
2020-06-18 23:00:19 +02:00
kill.cpp
AK: Make string-to-number conversion helpers return Optional
2020-06-12 21:28:55 +02:00
killall.cpp
AK: Make string-to-number conversion helpers return Optional
2020-06-12 21:28:55 +02:00
ln.cpp
ln: Use pledge()
2020-02-18 13:29:54 +01:00
ls.cpp
ls: Fix issue with too-narrow columns in "ls" output
2020-08-28 12:58:05 +02:00
lsirq.cpp
AK: JsonParser improvements
2020-06-13 12:43:22 +02:00
lsof.cpp
Userland: Mark compilation-unit-only functions as static
2020-08-12 20:40:59 +02:00
lspci.cpp
AK: JsonParser improvements
2020-06-13 12:43:22 +02:00
man.cpp
LibMarkdown: Change MD Document parse API to return a RefPtr
2020-05-30 00:32:12 +02:00
md.cpp
Userland: Use Core::ArgsParser for 'md'
2020-08-06 20:41:13 +02:00
misbehaving-application.cpp
Userland: Provide a misbehaving application
2020-08-17 00:01:13 +02:00
mkdir.cpp
AK: Rename FileSystemPath -> LexicalPath
2020-05-26 14:35:10 +02:00
mkfifo.cpp
Userland: add mkfifo(1)
2020-07-19 11:46:37 +02:00
mknod.cpp
Userland: mknod: Don't use major/minor when creating a pipe
2020-07-19 11:46:37 +02:00
modload.cpp
Userland: Use Core::ArgsParser for 'modload'
2020-08-06 20:41:13 +02:00
modunload.cpp
Userland: Use Core::ArgsParser for 'modunload'
2020-08-06 20:41:13 +02:00
more.cpp
Userland: Explicitly ignore number of types read, found by Coverity
2020-08-17 09:17:57 +02:00
mount.cpp
Userland: Mark compilation-unit-only functions as static
2020-08-12 20:40:59 +02:00
mv.cpp
mv: Accept (but ignore) -f
2020-08-11 20:29:14 +02:00
nc.cpp
Userland: Fix nc by not memset()'ing the input address char*
2020-07-28 13:19:22 +02:00
nl.cpp
LibCore: Remove leading C from filenames
2020-02-06 15:04:03 +01:00
notify.cpp
LibGUI: Make GUI::Application a Core::Object
2020-07-04 14:05:57 +02:00
ntpquery.cpp
ntpquery: Use SO_TIMESTAMP to get a more accurate destination_timestamp
2020-09-17 17:23:01 +02:00
open.cpp
open: Resolve the realpath before passing it to URL()
2020-08-08 11:58:57 +02:00
pape.cpp
LibGUI: Make GUI::Application a Core::Object
2020-07-04 14:05:57 +02:00
passwd.cpp
Userland: Fix passing a non-format string to fprintf()
2020-08-30 17:35:27 +02:00
paste.cpp
LibGUI: Make the Clipboard API deal in raw byte buffers a bit more
2020-09-05 16:16:01 +02:00
pidof.cpp
AK: Make string-to-number conversion helpers return Optional
2020-06-12 21:28:55 +02:00
ping.cpp
Everywhere: Port to String::copy_characters_to_buffer()
2020-08-30 17:35:27 +02:00
printf.cpp
Userland: Add an implementation of printf
2020-09-11 21:41:23 +02:00
pro.cpp
Userland: Allow unquoted 'filename' values in 'pro'
2020-08-31 23:05:58 +02:00
profile.cpp
profile: Allow launching a command with profiling enabled
2020-02-22 11:01:37 +01:00
ps.cpp
ps: Widen the username column slightly
2020-05-15 00:01:01 +02:00
purge.cpp
Userland: Use Core::ArgsParser for 'purge'
2020-08-06 20:41:13 +02:00
readlink.cpp
Userland: Add readlink(1)
2020-06-17 15:02:03 +02:00
realpath.cpp
Userland: Use Core::ArgsParser for 'realpath'
2020-08-06 20:41:13 +02:00
reboot.cpp
…
rm.cpp
Userland: Mark compilation-unit-only functions as static
2020-08-12 20:40:59 +02:00
rmdir.cpp
Userland: Use Core::ArgsParser for 'rmdir'
2020-08-06 20:41:13 +02:00
seq.cpp
LibC+Userland: Prefer snprintf over sprintf
2020-08-22 20:55:10 +02:00
shutdown.cpp
LibCore: Remove leading C from filenames
2020-02-06 15:04:03 +01:00
sleep.cpp
Userland: Fix a signal race condition
2020-09-10 16:00:11 +02:00
sort.cpp
Userspace: Add missing #includes now that AK/StdLibExtras.h is smaller
2020-03-08 13:06:51 +01:00
stat.cpp
Kernel+LibC: Fix various build issues introduced by ssize_t
2020-05-23 15:27:33 +02:00
strace.cpp
Kernel: Move headers intended for userspace use into Kernel/API/
2020-07-04 17:22:23 +02:00
su.cpp
Userland: Use Core::ArgsParser for 'su'
2020-08-06 20:41:13 +02:00
sync.cpp
…
syscall.cpp
Kernel: Tidy up the syscalls list by reorganizing the enumerator macro
2020-08-04 18:17:16 +02:00
sysctl.cpp
sysctl: Permit 'sysctl -a' invocation
2020-05-04 09:41:43 +02:00
tail.cpp
Userland: Mark compilation-unit-only functions as static
2020-08-12 20:40:59 +02:00
tee.cpp
AK: Make Vector use size_t for its size and capacity
2020-02-25 14:52:35 +01:00
test_efault.cpp
…
test_env.cpp
LibC: Add tests for getenv, setenv, putenv
2020-08-01 16:46:04 +02:00
test_io.cpp
Test: Mark compilation-unit-only functions as static
2020-08-12 20:40:59 +02:00
test-bindtodevice.cpp
Test: Mark compilation-unit-only functions as static
2020-08-12 20:40:59 +02:00
test-compress.cpp
LibCompress: Add unit tests for CanonicalCode.
2020-09-11 16:07:45 +02:00
test-crypto.cpp
Userland: Stop passing ignored timezones to gettimeofday
2020-08-28 09:17:01 +02:00
test-js.cpp
test-js: Catch SIGINFO and dump the current test name + pass/fail/skip
2020-09-09 21:10:23 +02:00
test-web.cpp
Userland: Stop passing ignored timezones to gettimeofday
2020-08-28 09:17:01 +02:00
test.cpp
Test: Mark compilation-unit-only functions as static
2020-08-12 20:40:59 +02:00
top.cpp
LibCore+top: Use pid_t for pgid/pgrp/sid numbers
2020-09-06 19:04:47 +02:00
touch.cpp
Userland: "touch" can now handle multiple paths as arguments
2020-05-01 17:08:46 +02:00
tr.cpp
Userland: Use Core::ArgsParser for 'tr'
2020-08-06 20:41:13 +02:00
tree.cpp
Userland: Mark compilation-unit-only functions as static
2020-08-12 20:40:59 +02:00
true.cpp
…
truncate.cpp
AK: Make string-to-number conversion helpers return Optional
2020-06-12 21:28:55 +02:00
tt.cpp
Userland/tt: Use a default value for the test to run
2020-09-03 10:08:15 +02:00
tty.cpp
…
umount.cpp
LibCore: Remove leading C from filenames
2020-02-06 15:04:03 +01:00
uname.cpp
Userland: Use Core::ArgsParser for 'uname'
2020-08-06 20:41:13 +02:00
unzip.cpp
AK: Rename KB, MB, GB to KiB, MiB, GiB
2020-08-16 16:33:28 +02:00
uptime.cpp
uptime: Use pledge()
2020-02-18 13:29:54 +01:00
useradd.cpp
LibCore: Remove leading C from filenames
2020-02-06 15:04:03 +01:00
userdel.cpp
Everywhere: Replace some uses of fork/exec with posix_spawn
2020-06-29 12:04:27 +02:00
utmpupdate.cpp
Userland: Add missing license headers to "w" and "utmpupdate"
2020-09-06 20:44:16 +02:00
w.cpp
Userland: Add missing license headers to "w" and "utmpupdate"
2020-09-06 20:44:16 +02:00
watch.cpp
Userland: Mark compilation-unit-only functions as static
2020-08-12 20:40:59 +02:00
wc.cpp
Userland: Mark compilation-unit-only functions as static
2020-08-12 20:40:59 +02:00
which.cpp
Userland: Use find_executable_in_path in which.
2020-09-16 19:39:17 +02:00
whoami.cpp
whoami: Use pledge() and unveil()
2020-02-18 11:35:47 +01:00
xargs.cpp
Userland: Add a basic xargs
2020-05-28 11:01:08 +02:00
yes.cpp
Userland: Use Core::ArgsParser for 'yes'
2020-08-06 20:41:13 +02:00