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Author SHA1 Message Date
Andreas Kling
cad78f5904 Kernel: Use TRY() in InodeFile 2021-09-05 16:25:40 +02:00
Andreas Kling
29a9f80ecf Kernel/USB: Use TRY() in the various USB classes 2021-09-05 16:25:40 +02:00
Andreas Kling
f8fba5f017 Kernel: Use TRY() in sys$socket() and friends 2021-09-05 16:25:40 +02:00
Andreas Kling
8714c550b4 Kernel: Use TRY() in TCPSocket 2021-09-05 16:25:40 +02:00
FrHun
2a57cb19af Emoji: Add various Emoji/Arrows 2021-09-05 14:49:47 +01:00
Andreas Kling
4b7575fabd Kernel: Unbreak x86_64 build (PageDirectory) 2021-09-05 15:38:57 +02:00
Andreas Kling
865eb54f75 Kernel/Ext2FS: Use TRY() in the Ext2FS 
This class was just *full* of great opportunities for TRY(). :^)
 2021-09-05 15:30:15 +02:00
Andreas Kling
83fed5b2de Kernel: Tidy up Memory::AddressSpace construction 
- Return KResultOr<T> in places
- Propagate errors
- Use TRY()
 2021-09-05 15:13:20 +02:00
Andreas Kling
0cf65cf7ec Kernel: Use TRY() even more in VirtualFileSystem 
Allowing TRY() with KResult unlocked a whole lot more opportunities.
 2021-09-05 14:55:51 +02:00
Andreas Kling
e1af24eac8 Kernel: Make KResult usable with TRY() as well 
This patch adds release_error() and release_value() to KResult, making
it usable with TRY().

Note that release_value() returns void, since there is no value inside
a KResult.
 2021-09-05 14:50:52 +02:00
Andreas Kling
71187d865e Kernel: Tidy up VirtualFileSystem::mount_root() a little bit 
- Return KResult instead of bool
- Use TRY()
 2021-09-05 14:46:44 +02:00
Andreas Kling
b0f2acbd91 Kernel: Use TRY() in FileDescription 2021-09-05 14:43:51 +02:00
Andreas Kling
f2f5df793a Kernel: Use TRY() in sys$chdir() 2021-09-05 14:41:13 +02:00
Andreas Kling
5ba10c6017 Kernel: Use TRY() in Memory::AddressSpace 2021-09-05 14:40:18 +02:00
Andreas Kling
8cd4879946 Kernel: Use TRY() in sys$link() and sys$symlink() 2021-09-05 14:38:28 +02:00
Andreas Kling
c902b3cb0d Kernel: Use TRY() in sys$anon_create() 2021-09-05 14:36:40 +02:00
Andreas Kling
4012099338 Kernel: Tidy up AnonymousFile construction a bit 
- Rename create() => try_create()
- Use adopt_nonnull_ref_or_enomem()
 2021-09-05 14:33:25 +02:00
Andreas Kling
9a1fdb523f Kernel: Use TRY() in sys$unveil() 2021-09-05 14:30:08 +02:00
Andreas Kling
36efecf3c3 Kernel: Use try in sys$mmap() and friends :^) 2021-09-05 14:27:41 +02:00
Andreas Kling
6bf901b414 Kernel: Use TRY() in sys$execve() 
There are more opportunities to use TRY() here, but it will require
improvements to error propagation first.
 2021-09-05 14:20:03 +02:00
Andreas Kling
982991d92d Kernel: Use TRY() in IPv4Socket 2021-09-05 14:16:08 +02:00
Andreas Kling
d65fbdc44d Kernel: Use TRY() in Thread 2021-09-05 14:08:12 +02:00
Andreas Kling
ae885b188f Kernel: Use TRY() when creating first thread in a new process 2021-09-05 14:08:12 +02:00
Andreas Kling
2ab8fd89fc Kernel: Simplify Process::get_syscall_path_argument() 2021-09-05 14:08:12 +02:00
Andreas Kling
f30eae7e7a Kernel: Use TRY() in some Process functions 2021-09-05 14:08:12 +02:00
Andreas Kling
81d3f823f7 Kernel: Use TRY() in LocalSocket 2021-09-05 14:08:12 +02:00
Andreas Kling
a5e71debef Kernel: Use TRY() in VirtualFileSystem 2021-09-05 14:08:12 +02:00
Andreas Kling
e1da3b1841 Kernel: Make KResult pull in the TRY macro 2021-09-05 14:08:12 +02:00
Andreas Kling
b4d8e166d8 AK: Add a TRY(expression) macro to simplify the unwrap-or-return pattern 
The way we use classes like Kernel::KResultOr<T> and AK::Result<T, E>
makes checking for errors (and short-circuiting returns) quite verbose.

This patch adds a new TRY(expression) macro that either evaluates to
the released result of the expression if successful, or returns the
error if not.

Before:

    auto foo_or_error = get_foo();
    if (foo_or_error.is_error())
        return foo_or_error.release_error();
    auto foo = foo_or_error.release_value();

After:

    auto foo = TRY(get_foo());

The macro uses a GNU C++ extension which is supported by GCC, Clang,
Intel C++, and possibly others. It's not *ideal*, but since it makes our
codebase considerably nicer, let's try(!) it out. :^)

Co-authored-by: Ali Mohammad Pur <mpfard@serenityos.org>
 2021-09-05 14:08:12 +02:00
Andreas Kling
fd44336ef8 Kernel: Add KResultOr::release_error() 
This is just for symmetry with AK::Result, so that we can use them
interchangeably in generic code.
 2021-09-05 13:29:06 +02:00
Ali Mohammad Pur
09dd397160 LibWeb+LibWasm: Implement the WebAssembly.Table object 2021-09-05 15:42:50 +04:30
Ali Mohammad Pur
d52a26de3f LibWasm: Move the vector size limit to Constants.h and increase it a bit 2021-09-05 15:42:50 +04:30
sin-ack
566c5d1e99 AK+Kernel: Move KResult.h to Kernel/API for userspace access 
This commit moves the KResult and KResultOr objects to Kernel/API to
signify that they may now be freely used by userspace code at points
where a syscall-related error result is to be expected. It also exposes
KResult and KResultOr to the global namespace to make it nicer to use
for userspace code.
 2021-09-05 12:54:48 +02:00
Brian Gianforcaro
d8de352ead LibJS: Declare type aliases with "using" instead of "typedef" 2021-09-05 09:48:43 +01:00
Brian Gianforcaro
3d12d0f408 Kernel: Declare syscall handlers with "using" instead of "typedef" 
Also use bit_cast to avoid -Wcast-function-type warning.
 2021-09-05 09:48:43 +01:00
Brian Gianforcaro
9d1b27263f Kernel: Declare type aliases with "using" instead of "typedef" 
This is the idiomatic way to declare type aliases in modern C++.
Flagged by Sonar Cloud as a "Code Smell", but I happen to agree
with this particular one. :^)
 2021-09-05 09:48:43 +01:00
Andreas Kling
7463eb52e8 Kernel: Improve names in the ARP table thread blocker 
More instances of functions named "unblock()" that don't actually
unblock in all cases being renamed to something more precise.
 2021-09-05 01:10:56 +02:00
Andreas Kling
e851a77346 Kernel: Rename FileBlocker::unblock() => unblock_if_conditions_are_met() 
Since this may not actually unblock, the old name was very confusing.
 2021-09-05 01:10:56 +02:00
Andreas Kling
68a6d4c30a Kernel: Tidy up InodeWatcher construction 
- Rename create() => try_create()
- Use adopt_nonnull_ref_or_enomem()
 2021-09-05 01:10:56 +02:00
Andreas Kling
393229e2aa Kernel: Remove UserOrKernelBuffer::copy_into_string() 
All former users of this API have been converted to use KString. :^)
 2021-09-05 01:10:56 +02:00
Andreas Kling
211c1c087d Kernel/Plan9FS: Use KString instead of String in one place 2021-09-05 01:10:56 +02:00
Andreas Kling
9d736772bd Kernel/Ext2FS: Remove a String allocation in debug logging 
We were creating a temporary String just to log the target when writing
a symlink directly into inline storage.
 2021-09-05 01:10:55 +02:00
Ralf Donau
4f0e2f2584 Utilities: Modernize output and comparison in the sort utility 
Use the comparison operator of AK/String instead of strcmp(3) and
replace fput* by outln.
 2021-09-05 00:15:26 +02:00
Andreas Kling
7d8e036e26 Kernel: Tidy up UDPSocket creation a bit 
- Rename create() => try_create()
- Use adopt_nonnull_ref_or_enomem()
 2021-09-04 23:11:04 +02:00
Andreas Kling
648c768d81 Kernel: Tidy up TCPSocket creation a bit 
- Rename create() => try_create()
- Use adopt_nonnull_ref_or_enomem()
 2021-09-04 23:11:04 +02:00
Andreas Kling
ac85fdeb1c Kernel: Handle ProcessGroup allocation failures better 
- Rename create* => try_create*
- Don't null out existing process group on allocation failure
 2021-09-04 23:11:04 +02:00
Andreas Kling
28d6c3a136 Meta: Add Karol Kosek to the contributors list :^) 2021-09-04 23:11:04 +02:00
Andreas Kling
12f820eb08 Kernel: Make Process::try_create() propagate errors better 2021-09-04 23:11:04 +02:00
Andreas Kling
3b995c6d01 Kernel: Tidy up Process::try_create_user_process() 
This function is currently only ever used to create the init process
(SystemServer). It had a few idiosyncratic things about it that this
patch cleans up:

- Errors were returned in an int& out-param.
- It had a path for non-0 process PIDs which was never taken.
 2021-09-04 23:11:04 +02:00
Andreas Kling
ba1a6ca971 Kernel: Move pledge verification into Process member functions 
REQUIRE_PROMISE and REQUIRE_NO_PROMISES were macros for some reason,
and used all over the place.

This patch adds require_promise(Pledge) and require_no_promises()
to Process and makes the macros call these on the current process
instead of inlining code everywhere.
 2021-09-04 23:11:04 +02:00