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Author SHA1 Message Date
Andreas Kling 241bbce264 Kernel: LoopbackAdapter::create() => try_create() 
Allow this to fail (although we VERIFY that it succeeds during boot
for now, since we don't want to boot without a loopback adapter.)
 2021-07-11 18:00:31 +02:00
Andreas Kling e4dfb0fdf3 Kernel: Make NetworkAdapter::class_name() return a StringView 2021-07-11 17:59:38 +02:00
Andreas Kling 68f2250768 Kernel: Make VMObject::class_name() return a StringView 2021-07-11 17:57:52 +02:00
Andreas Kling 88d490566f Kernel: Rename various *VMObject::create*() => try_create() 
try_*() implies that it can fail (and they all return RefPtr with
nullptr signalling failure.)
 2021-07-11 17:55:29 +02:00
Andreas Kling af8c74a328 Kernel: Make SharedInodeVMObject allocation OOM-safe 2021-07-11 17:52:07 +02:00
Andreas Kling 59049ae4b7 Kernel: Store VMObject physical pages in a FixedArray 
Let's enforce the invariant that VMObjects don't shrink or grow by
storing the pages in a FixedArray.
 2021-07-11 17:42:31 +02:00
Andreas Kling 373b8d7cfa AK: Add FixedArray::span() 2021-07-11 17:42:31 +02:00
Andreas Kling 7d096a1287 Kernel: Make VMObject vend physical page range as a span 
Stop exposing the internal data structure used for storing the physical
pages and return a Span<RefPtr<PhysicalPage>> instead.
 2021-07-11 17:42:31 +02:00
Andreas Kling 88c8451973 AK: Bring back FixedArray<T> 
Let's bring this class back, but without the confusing resize() API.
A FixedArray<T> is simply a fixed-size array of T.

The size is provided at run-time, unlike Array<T> where the size is
provided at compile-time.
 2021-07-11 17:42:31 +02:00
Andreas Kling 846685fca2 Kernel: Remove bogus VMObject resizing in VirtIOGPU 
It is not legal to resize a VMObject after it has been created.
As far as I can tell, this code would never actually run since the
object was already populated with physical pages due to using
AllocationStrategy::AllocateNow.
 2021-07-11 17:42:31 +02:00
Andreas Kling 055726ecf5 Kernel: Remove unused MemoryManager::find_region_from_vaddr() 2021-07-11 17:42:31 +02:00
Hendiadyoin1 a8d86cc533 DynamicLoader+LibC: Make _start a naked function 2021-07-11 17:07:20 +02:00
Andreas Kling 112c7f9a5b Kernel: Remove unused MemoryManager::m_physical_page_entries_free 2021-07-11 15:15:57 +02:00
Andreas Kling 5087b2b32f AK: Don't forget to kfree_sized() in ByteBuffer 2021-07-11 15:15:57 +02:00
Andreas Kling 0afccb560b Kernel: Remove some duplicate forward declarations 2021-07-11 15:15:57 +02:00
Andreas Kling b2cd9b2c88 Kernel: Remove pointless ref-counting from PhysicalRegion 
These are not multiple-owner objects and have no use for ref-counting.
Make them simple value types instead (not eternal heap-allocated.)
 2021-07-11 15:15:57 +02:00
Max Wipfli 29d53cbee2 Kernel: Return correct error numbers for the mkdir syscall 
Previously, VirtualFileSystem::mkdir() would always return ENOENT if
no parent custody was returned by resolve_path(). This is incorrect when
e.g. the user has no search permission in a component of the path
prefix (=> EACCES), or if on component of the path prefix is a file (=>
ENOTDIR). This patch fixes that behavior.
 2021-07-11 14:59:57 +02:00
Andreas Kling 25e850ebb1 Kernel: Remove krealloc() 
This was only used by a single class (AK::ByteBuffer) in the kernel
and not in an OOM-safe way.

Now that ByteBuffer no longer uses it, there's no need for the kernel
heap to burden itself with supporting this.
 2021-07-11 14:14:51 +02:00
Andreas Kling 966880eb45 AK: Don't use realloc() in AK::ByteBuffer 
This class is the only reason we have to support krealloc() in the
kernel heap, something which adds a lot of complexity.

Let's move towards a simpler path and do malloc+memset in the
ByteBuffer code (where we know the sizes anyway.)
 2021-07-11 14:14:51 +02:00
Andreas Kling 0718bd264c Kernel: Remove some no-longer-needed C library functions 
Now that we no longer demangle symbols in the kernel, we don't need to
provide stuff like malloc(), memchr(), free(), etc to the demangler.
 2021-07-11 14:14:51 +02:00
Andreas Kling f684742f15 Kernel: VERIFY_NOT_REACHED in un-sized operator delete 
All deletes in kernel code should now be of known size. :^)
 2021-07-11 14:14:51 +02:00
Andreas Kling 43d7a7f274 Kernel: Use kfree_sized() in KString 2021-07-11 14:14:51 +02:00
Andreas Kling c1e902acd9 AK: Use kfree_sized() in AK::Vector 2021-07-11 14:14:51 +02:00
Andreas Kling c68c3fa69c AK: Use kfree_sized() in AK::StringImpl 2021-07-11 14:14:51 +02:00
Andreas Kling 3aabace9f5 AK: Use kfree_sized() in AK::HashTable 2021-07-11 14:14:51 +02:00
Andreas Kling 05a00c3978 AK: Use kfree_sized() in AK::ByteBuffer 2021-07-11 14:14:51 +02:00
Andreas Kling 6950dd220b AK: Use kfree_sized() in AK::Bitmap 2021-07-11 14:14:51 +02:00
Andreas Kling 875afb35c3 AK: Make kfree_sized() forward to kfree() in non-kernel code for now 2021-07-11 14:14:51 +02:00
Andreas Kling d38b4e4665 Kernel: Add kfree_sized(), kfree() with a known allocation size 
C++14 gave us sized operator delete, but we haven't been taking
advantage of it. Let's get to a point where it can help us by
adding kfree_sized(void*, size_t).
 2021-07-11 14:14:51 +02:00
Andreas Kling 98080497d2 Kernel: Use Forward.h headers more 2021-07-11 14:14:51 +02:00
Adam Hodgen 47bfd366a8 LibWeb: Fix syntax for Table test 
The parser fixes this by inserting the <tr> tags, but for this test it's
better to have perfect syntax - we're not testing the parser here.
 2021-07-11 14:14:01 +02:00
Adam Hodgen 3e46e8fea8 LibWeb: Fix HTMLTable Element attributes 
`Element::tag_name` return an uppercase version of the tag name. However
the `Web::HTML::TagNames` values are all lowercase.

This change fixes that using `Element::local_name`, which returns a
lowercase value.
 2021-07-11 14:14:01 +02:00
LuK1337 99013ac3d5 LibTTF: Port width calculation changes from BitmapFont 2021-07-11 14:12:59 +02:00
LuK1337 c0f9adabd6 LibGfx: Try to get TTF font when query is not in name->font map 
This change allows us to select TTF fonts in display settings again :^)
 2021-07-11 14:12:47 +02:00
Timothy c03353e7ca TextEditor: Show an error message when opening a file failed 2021-07-11 14:11:53 +02:00
Gunnar Beutner 71840c1bf4 TextEditor: Open files with ReadOnly when we're just reading them 2021-07-11 14:11:53 +02:00
Gunnar Beutner c343e9a4fd TextEditor: Avoid calling realpath() 
We can't use realpath() at that point because we've already called
unveil(nullptr, nullptr).
 2021-07-11 14:11:53 +02:00
Karol Kosek a90c484d4b Pong: Only paint areas that needs to be updated 2021-07-11 14:11:26 +02:00
Max Wipfli 9ab528ff5c Kernel: Make KLexicalPath::basename() more compliant 
This removes some assertions from KLexicalPath::basename() by supporting
paths with trailing slashes, empty paths, paths consisting of only
slashes and paths with ending "." and ".." segments.
 2021-07-11 14:10:58 +02:00
Adam Hodgen a3638639a1 TextEditor: Show an error dialog when failing to open/save a file 2021-07-11 09:46:50 +02:00
Adam Hodgen 643ecfee73 FileSystemAccessServer: Return user_picked_value even on error 
If a user picks a file which can't be opened for some reason, we should
still return the value, so client applications can report the error
along with the chosen filepath.
 2021-07-11 09:46:50 +02:00
Andreas Kling c9f6786e8b Kernel: Make various T::class_name() and similar return StringView 
Instead of returning char const*, we can also give you a StringView.
 2021-07-11 01:46:59 +02:00
Andreas Kling fa9111ac46 Kernel: Rename ProcFSComponentsRegistrar => ProcFSComponentRegistry 
This matches the formatting used in SysFS.
 2021-07-11 01:40:26 +02:00
Andreas Kling c1143e1bae Kernel: Remove friend classes from ProcFSComponentsRegistrar 2021-07-11 01:39:51 +02:00
Andreas Kling 358a7cc448 Kernel: Rename SysFS related classes in BIOS code 
Give them names that sound related to SysFS.
 2021-07-11 01:38:01 +02:00
Andreas Kling 84ae2b6f00 Kernel: Use nested namespace declarations in ACPI code 2021-07-11 01:36:30 +02:00
Andreas Kling b1c68dd235 Kernel: Rename SysFS related classes in ACPI code 
Give them names that sound related to SysFS.
 2021-07-11 01:35:17 +02:00
Andreas Kling 805319ed30 Kernel: Replace "Folder" => "Directory" everywhere 
Folders are a GUI concept, file systems have directories. :^)
 2021-07-11 01:33:40 +02:00
Andreas Kling 5ec3f5433e Kernel: Rename SysFS related classes in PCI code 
Give them names that sound related to SysFS.
 2021-07-11 01:31:48 +02:00
Andreas Kling c74b3a310f Kernel: Remove pointless lock/unlock in SysFS constructor 2021-07-11 01:18:20 +02:00