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Released on 2021-05-03.
https://www.python.org/downloads/release/python-395/
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After looking closely at this, I realized that we've been running
all the service processes under separate user accounts even though
there's actually no need to.
Since we already use pledge() and unveil() to limit the scope and
access of these programs, separating them to another UID doesn't
achieve anything meaningful. So let's bring them back to the "anon"
user account and simplify things.
Programs affected:
- ImageDecoder
- RequestServer
- WebContent
- WebSocket
Longer term, I'd like for all of these to get spawned for the current
desktop user somehow, possibly by some kind of session manager, or
perhaps by the Browser program itself. But for now they remain under
SystemServer's control.
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* Remove unnecessary #include statements
* Move it into the TextEditor namespace
* Mark the single-argument constructor explicit
* Use move() to avoid some unnecessary copies
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This came up in #6886. If resizing has been disabled for a window,
we shouldn't let clients bypass this via start_window_resize().
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Fixes #6886.
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By default malloc manages memory internally in larger blocks. When
one of those blocks is added we initialize a free list by touching
each of the new block's pages, thereby committing all that memory
upfront.
This changes malloc to build the free list on demand which as a
bonus also distributes the latency hit for new blocks more evenly
because the page faults for the zero pages now don't happen all at
once.
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This also moves Widget::load_from_json into Core::Object as a virtual
function in order to allow loading non-widget objects in GML (e.g.
BoxLayout).
Co-authored-by: Gunnar Beutner <gbeutner@serenityos.org>
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When reading UDP packets from userspace with recvmsg()/recv() we
would hit a VERIFY() if the supplied buffer is smaller than the
received UDP packet. Instead we should just return truncated data
to the caller.
This can be reproduced with:
$ dd if=/dev/zero bs=1k count=1 | nc -u 192.168.3.190 68
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We use a global setting to determine if Caps Lock should be remapped to
Control because we don't care how keyboard events come in, just that they
should be massaged into different scan codes.
The `proc` filesystem is able to manipulate this global variable using
the `sysctl` utility like so:
```
# sysctl caps_lock_to_ctrl=1
```
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This widget provides a scrollable view onto another (child) widget.
If the child is larger than the parent, scrollbars are provided for
panning around the child.
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Right now RefPtr<T> is way more lenient than it should be. That might
change in the future though.
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The current setting is an awful long time to wait for a game to start.
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The timer begins after the new-game animation ends, and stops when
either the game-over animation begins or the new-game animation is
started again.
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This will display the score (instead of updating the window title) and
any hovered action text.
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The timer is no longer used to trigger a paint event for all updates; it
is only used to paint the new-game and game-over animations. So only run
the timer during those events.
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A series of events led to this change: The goal is to add more widgets
to the Solitaire GML, such as a GUI::Statusbar. To do so without this
change, the window ends up with some black artifacts between the main
Solitaire frame and the added elements, because the GML specifies the
main widget to have fill_with_background_color=false. However, setting
that property to true results in the background color of the widget
interferring with the Solitaire frame trying to manually paint its
background green. This results in flickering and some elements in the
Solitaire frame being painted over by the main background color.
To avoid all of that behavior, this sets fill_with_background_color=true
and the Solitaire frame's background color to green in the GML. Further,
the frame now only queues a paint update on the specific Gfx::Rect areas
that need to be updated. This also means we no longer need to track if a
stack of cards is dirty, because we only trigger a paint event for dirty
stacks.
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This doesn't need to be invoked each time the game wants something
random.
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Looks a bit nicer as a frame with inset edges.
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No functionial change here, but this more easily allows for adding GUI
elements to the Solitaire window. This nests the SolitaireWidget as a
child of the main window's widget so that the SolitaireWidget does not
color the entire window green when it paints its background.
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The purpose is to allow the Solitaire widget to be used in GML. The
macro to register a widget requires a namespace, so this moves all files
in the application to the Solitaire namespace. This also renames the
SolitaireWidget class to Game - this is to avoid the redundancy /
verbosity of typing "Solitaire::SolitaireWidget", and matches many other
games in Serenity (Breakout, 2048, etc.).
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This is just a bit nicer than owning a separate timer in the Solitaire
application because LibCore will prevent timer events from firing when
e.g. the window is not visible. Therefore SolitaireWidget doesn't need
need to check for such conditions.
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Stacks of cards currently cover the suit completely and players must
click-and-drag cards out of the way to see the suit beneath other cards.
This bumps the stacks down a bit to let players peek the suit without
having to take any action.
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Now that everything under Toolchain is shellcheck clean,
remove it from the exception list.
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BuildIt.sh had a bunch of SC2086 errors, where we were not quoting
variables in variable expansions. The logic being:
Quoting variables prevents word splitting and glob expansion,
and prevents the script from breaking when input contains spaces,
line feeds, glob characters and such.
Reference: https://github.com/koalaman/shellcheck/wiki/SC2086
As bcoles noticed in #6772, shellcheck actually found a real bug here,
where the user's build directory included spaces.
Close: #6772
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BuildFuseExt2.sh was saying it should be run under /bin/sh but it is
using bash extensions like pushd/popd, ${BASH_SOURCE[0]}, etc. So just
run it under bash to avoid any potential issues.
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Shellcheck is unable to source non-literal includes,
so inform shellcheck to just ignore this include.
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I can't say I like starting yet another thing on boot... but now that
LookupServer provides mDNS (and optionaly DNS) services to other hosts,
we have to start it on boot, not when the first local client connects.
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The implementation is extremely basic, and is far from fully conforming
to the spec. Among other things, it does not really work in case there
are multiple network adapters.
Nevertheless, it works quite well for the simple case! You can now do
this on your host machine:
$ ping courage.local
and same on your Serenity box:
$ ping host-machine-name.local
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An IP socket can now join a multicast group by using the
IP_ADD_MEMBERSHIP sockopt, which will cause it to start receiving
packets sent to the multicast address, even though this address does
not belong to this host.
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When using `sysctl` you can enable/disable values by writing to the
ProcFS. Some drift must have occured where writing was failing due to
a missing `set_mtime` call. Whenever one `write`'s a file the modified
time (mtime) will be updated so we need to implement this interface in
ProcFS.
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This was hiding on the serenityos.org website previously, where not
many people found it. Let's put it in a more natural location, and
also make sure to link to it from the README.
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Also adds an AK::Empty struct, because 'empty' variants are useful, but
this implementation leaves that to the user (i.e. a variant cannot
actually be empty, but it can contain an instance of Empty - i.e. a
byte).
Note that this is more of a constrained Any type, but they basically do
the same things anyway :^)
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...That are only defined when min() and max() are defined on the
elements.
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The fact that current_time can "fail" makes its use a bit awkward.
All callers in the Kernel are trusted besides syscalls, so assert
that they never get there, and make sure all current callers perform
validation of the clock_id with TimeManagement::is_valid_clock_id().
I have fuzzed this change locally for a bit to make sure I didn't
miss any obvious regression.
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The variety of checks for Processor::id() == 0 could use some assistance
in the readability department. This change adds a new function to
represent this check, and replaces the comparison everywhere it's used.
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FileDescriptionBlocker::m_should_block was shadowing the parent's
FileBlocker::m_should_block variable, which would cause should_block()
to return the wrong value.
Found by @gunnarbeutner
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The current way of doing this would also traverse the prototype chain,
and therefore yield false positive results for keys like "toString".
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