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4b44962e03
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30 Commits

Author SHA1 Message Date
Conrad Pankoff
4b44962e03 Kernel: Use a CircularQueue for input rather than a DoubleBuffer 
TTY::emit is called from an IRQ handler, and is used to push input data
into a buffer for later retrieval. Previously this was using DoubleBuffer,
but that class wants to take a lock. Our lock code wants to make sure
interrupts are enabled, but they're disabled while an IRQ handler is
running. This made the kernel sad, but this CircularQueue cheers it up by
avoiding the lock requirement completely.
 2019-08-12 14:15:24 +02:00
Conrad Pankoff
ce8387d1ed VirtualConsole: Only consume data from key-down events 2019-08-12 14:15:24 +02:00
Conrad Pankoff
dffdd5545a Kernel: Restore alt+n hijacking for virtual console switching 2019-08-12 14:15:24 +02:00
Sergey Bugaev
dadf6337ef Kernel: Customize absolute_path() for more file types 2019-08-11 16:30:43 +02:00
Andreas Kling
752de9cd27 FileDescription: Disallow construction with a null File 
It's not valid for a FileDescription to not have a file, so let's
disallow it by taking a File& (or FIFO&) in the constructor.
 2019-08-11 09:33:31 +02:00
Andreas Kling
27f699ef0c AK: Rename the common integer typedefs to make it obvious what they are. 
These types can be picked up by including <AK/Types.h>:

* u8, u16, u32, u64 (unsigned)
* i8, i16, i32, i64 (signed)
 2019-07-03 21:20:13 +02:00
Andreas Kling
c26e3ce86b Change "retain" to "ref" in various comments. 2019-06-21 18:40:24 +02:00
Andreas Kling
90b1354688 AK: Rename RetainPtr => RefPtr and Retained => NonnullRefPtr. 2019-06-21 18:37:47 +02:00
Andreas Kling
77b9fa89dd AK: Rename Retainable => RefCounted. 
(And various related renames that go along with it.)
 2019-06-21 15:30:03 +02:00
Andreas Kling
c1bbd40b9e Kernel: Rename "descriptor" to "description" where appropriate. 
Now that FileDescription is called that, variables of that type should not
be called "descriptor". This is kinda wordy but we'll get used to it.
 2019-06-13 22:03:04 +02:00
Andreas Kling
736092a087 Kernel: Move i386.{cpp,h} => Arch/i386/CPU.{cpp,h} 
There's a ton of work that would need to be done before we could spin up on
another architecture, but let's at least try to separate things out a bit.
 2019-06-07 20:02:01 +02:00
Andreas Kling
39d1a9ae66 Meta: Tweak .clang-format to not wrap braces after enums. 2019-06-07 17:13:23 +02:00
Andreas Kling
bc951ca565 Kernel: Run clang-format on everything. 2019-06-07 11:43:58 +02:00
Andreas Kling
08cd75ac4b Kernel: Rename FileDescriptor to FileDescription. 
After reading a bunch of POSIX specs, I've learned that a file descriptor
is the number that refers to a file description, not the description itself.
So this patch renames FileDescriptor to FileDescription, and Process now has
FileDescription* file_description(int fd).
 2019-06-07 09:36:51 +02:00
Andreas Kling
59c37363b6 TTY: Generate SIGTSTP if cc[VSUSP] is pressed. 
Fixes #207.
 2019-06-06 20:31:49 +02:00
Andreas Kling
2dd9ef6863 Kernel: Make File::absolute_path() const. 2019-06-01 18:56:56 +02:00
Andreas Kling
fdf3608c8a Update Badge<T> instantiations to simply be {}. 2019-05-31 15:44:04 +02:00
Robin Burchell
0dc9af5f7e Add clang-format file 
Also run it across the whole tree to get everything using the One True Style.
We don't yet run this in an automated fashion as it's a little slow, but
there is a snippet to do so in makeall.sh.
 2019-05-28 17:31:20 +02:00
Andreas Kling
b5b44a29bb Replace various copies of parse_uint(String) with String::to_uint(). 2019-05-08 19:21:51 +02:00
Andreas Kling
2470fdcd9b Kernel: Make Socket inherit from File. 2019-05-03 20:42:43 +02:00
Andreas Kling
c3b7ace3e0 Kernel: Assign Lock names in class member initializers. 2019-05-02 03:28:20 +02:00
Andreas Kling
8cbb7f101f Kernel: Have File virtuals take a FileDescriptor& rather than a Process&. 
This will allow us to implement different behaviors depending on the role
of the descriptor a File is being accessed through.
 2019-04-29 13:58:40 +02:00
Andreas Kling
0a0d739e98 Kernel: Make FIFO inherit from File. 2019-04-29 04:55:54 +02:00
Andreas Kling
c91b0d6b5f FileDescriptor: Let TTY handle its own absolute_path(). 2019-04-28 15:09:23 +02:00
Andreas Kling
ca9ed13643 Kernel: Simplify Device::open(). 2019-04-24 02:20:14 +02:00
Andreas Kling
58240fdb33 Do a pass of compiler warning fixes. 
This is really making me question not using 64-bit integers more.
 2019-04-23 13:00:53 +02:00
Andreas Kling
ab94a6be00 AK: Add String::copy(BufferType) helper. 
This will create a String from any BufferType that has data() and size().
 2019-04-20 14:13:40 +02:00
Andreas Kling
88f03f86ff Kernel: Have TTY subclasses cache their tty_name/pts_name. 2019-04-16 00:35:02 +02:00
Andreas Kling
ab43658c55 Kernel: Move devices into Kernel/Devices/. 2019-04-03 12:36:40 +02:00
Andreas Kling
9fca94269e Kernel: Move TTY-related files into Kernel/TTY/. 2019-04-03 12:28:45 +02:00