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Author SHA1 Message Date
Andreas Kling
c1e18befe8 Kernel: Reorder sys$pipe() to fail more nicely 
Try to do both FD allocations up front instead of interleaved between
assigning them to the descriptor table. This prevents us from failing
in the middle of setting up the pipes.
 2021-09-05 16:25:40 +02:00
Andreas Kling
4483110990 Kernel: Use TRY() in sys$open() 2021-09-05 16:25:40 +02:00
Andreas Kling
b01e4b171d Kernel: Use TRY() in sys$mknod() 2021-09-05 16:25:40 +02:00
Andreas Kling
2658ab4a80 Kernel: Use TRY() in sys$mkdir() 2021-09-05 16:25:40 +02:00
Andreas Kling
e899ea459c Kernel: Use TRY() in sys$lseek() 2021-09-05 16:25:40 +02:00
Andreas Kling
f605cd04b6 Kernel: Use TRY() in sys$fork() 
There's a lot of work to do on improving error propagation in the
fork system call. This just scratches the surface.
 2021-09-05 16:25:40 +02:00
Andreas Kling
29bafec43b Kernel: Use is_error() in sys$fcntl() 2021-09-05 16:25:40 +02:00
Andreas Kling
c767e20f91 Kernel: Use TRY() in sys$chown() 2021-09-05 16:25:40 +02:00
Andreas Kling
24e8ad5ade Kernel: Use TRY() in sys$chmod() 2021-09-05 16:25:40 +02:00
Andreas Kling
3631ebe963 Kernel: Use TRY() in AnonymousVMObject 2021-09-05 16:25:40 +02:00
Andreas Kling
abb43468dc Kernel: Use TRY() in FileDescription::attach() 2021-09-05 16:25:40 +02:00
Andreas Kling
aa4d5817af Kernel: Use TRY() in sys$ptrace() 2021-09-05 16:25:40 +02:00
Andreas Kling
b2950c67ea Kernel: Use TRY() in Inode 2021-09-05 16:25:40 +02:00
Andreas Kling
f20d1f0cc6 Kernel: Use TRY() in Region 2021-09-05 16:25:40 +02:00
Andreas Kling
c9a20bcd87 Kernel: Use TRY() in the SoundBlaster16 driver 2021-09-05 16:25:40 +02:00
Andreas Kling
4a2b0f6bec Kernel: Use TRY() in sys$access() 2021-09-05 16:25:40 +02:00
Andreas Kling
c1c774da91 Kernel: Use TRY() in FIFO 2021-09-05 16:25:40 +02:00
Andreas Kling
cad78f5904 Kernel: Use TRY() in InodeFile 2021-09-05 16:25:40 +02:00
Andreas Kling
29a9f80ecf Kernel/USB: Use TRY() in the various USB classes 2021-09-05 16:25:40 +02:00
Andreas Kling
f8fba5f017 Kernel: Use TRY() in sys$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