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687 commits

Author SHA1 Message Date
Andreas Kling
e3b063581e Kernel: Use TRY() in sys$alarm() 2021-09-06 13:06:05 +02:00
Andreas Kling
d34f2b643e Kernel: Tidy up Plan9FS construction a bit 2021-09-06 13:06:05 +02:00
Andreas Kling
36725228fa Kernel: Tidy up Ext2FS construction a bit 2021-09-06 13:06:05 +02:00
Andreas Kling
47bfbe343b Kernel: Tidy up SysFS construction 
- Use KResultOr and TRY() to propagate errors
- Check for OOM errors
- Move allocation out of constructors

There's still a lot more to do here, as SysFS is still quite brittle
in the face of memory pressure.
 2021-09-06 13:06:05 +02:00
Andreas Kling
788b91a65c Kernel: Tidy up DevFS construction and handle OOM errorso 
- Use KResultOr and TRY() to propagate errors
- Check for OOM
- Move allocations out of the DevFS constructor
 2021-09-06 13:06:05 +02:00
Andreas Kling
efe4e230ee Kernel: Tidy up DevPtsFS construction and handle OOM errors 
- Use KResultOr and TRY() to propagate errors
- Check for OOM when creating new inodes
 2021-09-06 13:06:05 +02:00
Andreas Kling
f2512071f2 Kernel: Use TRY() in sys$getrandom() 2021-09-06 02:36:21 +02:00
Andreas Kling
a8516681b7 Kernel: Tidy up TmpFS and TmpFSInode construction 
- Use KResultOr<NonnullRefPtr<T>>
- Propagate errors
- Use TRY() at call sites
 2021-09-06 02:36:21 +02:00
Andreas Kling
a994f11f10 Kernel: Make AddressSpace::add_region() return KResultOr<Region*> 
This allows us to use TRY() in a few places.
 2021-09-06 02:02:06 +02:00
Andreas Kling
75564b4a5f Kernel: Make kernel region allocators return KResultOr<NOP<Region>> 
This expands the reach of error propagation greatly throughout the
kernel. Sadly, it also exposes the fact that we're allocating (and
doing other fallible things) in constructors all over the place.

This patch doesn't attempt to address that of course. That's work for
our future selves.
 2021-09-06 01:55:27 +02:00
Andreas Kling
f4a9a0d561 Kernel: Make VirtualRangeAllocator return KResultOr<VirtualRange> 
This achieves two things:
- The allocator can report more specific errors
- Callers can (and now do) use TRY() :^)
 2021-09-06 01:55:27 +02:00
Andreas Kling
98dc08fe56 Kernel: Use KResultOr better in ProcessGroup construction 
This allows us to use TRY() more.
 2021-09-06 01:55:27 +02:00
Andreas Kling
12d9a6c1fa Kernel: Use TRY() in sys$waitid() 2021-09-05 18:42:32 +02:00
Andreas Kling
c076d765c4 Kernel: Simplify sys$inode_watcher_remove_watch() a little bit 2021-09-05 18:41:28 +02:00
Andreas Kling
d912bfdf38 Kernel: Use TRY() in sys$create_inode_watcher() and friends 2021-09-05 18:41:01 +02:00
Andreas Kling
a9204510a4 Kernel: Make file description lookup return KResultOr 
Instead of checking it at every call site (to generate EBADF), we make
file_description(fd) return a KResultOr<NonnullRefPtr<FileDescription>>.

This allows us to wrap all the calls in TRY(). :^)

The only place that got a little bit messier from this is sys$mount(),
and there's a whole bunch of things there in need of cleanup.
 2021-09-05 18:36:13 +02:00
Andreas Kling
2d2ea05c97 Kernel: Use TRY() in sys$sethostname() 2021-09-05 18:22:18 +02:00
Andreas Kling
963f847579 Kernel: Use TRY() in sys$mount() 2021-09-05 18:20:57 +02:00
Andreas Kling
3580c5a72e Kernel: Use TRY() in sys$umount() 2021-09-05 18:18:23 +02:00
Andreas Kling
76f2596ce8 Kernel: Use TRY() in sys$set_process_name() 2021-09-05 18:17:06 +02:00
Andreas Kling
53aa01384d Kernel: Use TRY() in sys$set_coredump_metadata() 2021-09-05 18:15:42 +02:00
Andreas Kling
bfe4c84541 Kernel: Use TRY() in sys$create_thread() 2021-09-05 18:15:05 +02:00
Andreas Kling
257fa80312 Kernel: Use TRY() in sys$set_thread_name() 2021-09-05 18:15:05 +02:00
Andreas Kling
afc5bbd56b Kernel: Use TRY() in sys$write() 2021-09-05 18:15:05 +02:00
Andreas Kling
17933b193a Kernel: Use TRY() in sys$perf_register_string() 2021-09-05 18:15:05 +02:00
Andreas Kling
77b7a44691 Kernel: Use TRY() in sys$recvfd() 2021-09-05 18:15:05 +02:00
Andreas Kling
ea911bc125 Kernel: Use TRY() in sys$pledge() 2021-09-05 18:15:05 +02:00
Andreas Kling
95e74d1776 Kernel: Use TRY() even more in sys$mmap() and friends :^) 2021-09-05 18:15:05 +02:00
Andreas Kling
cf2c04eb13 Kernel: Use TRY() in sys$dbgputstr() 2021-09-05 18:15:05 +02:00
Andreas Kling
6dddd500bf Kernel: Use TRY() in sys$map_time_page() 2021-09-05 18:15:05 +02:00
Andreas Kling
d53c60fd9f Kernel: Use TRY() in sys$setkeymap() 2021-09-05 18:15:05 +02:00
Andreas Kling
1f475f7bbc Kernel: Use TRY() in sys$realpath() 2021-09-05 18:15:05 +02:00
Andreas Kling
4ea3dc77f0 Kernel: Use TRY() in sys$statvfs() 2021-09-05 18:15:05 +02:00
Andreas Kling
7efa742a39 Kernel: Use TRY() in sys$stat() 2021-09-05 17:58:08 +02:00
Andreas Kling
de2c1bc5c3 Kernel: Use TRY() in sys$unlink() 2021-09-05 17:56:40 +02:00
Andreas Kling
4e4b7c272c Kernel: Use TRY() in sys$readlink() 2021-09-05 17:55:43 +02:00
Andreas Kling
e0cf9152ca Kernel: Use TRY() in sys$rmdir() 2021-09-05 17:54:33 +02:00
Andreas Kling
780737de7a Kernel: Use TRY() in sys$rename() 2021-09-05 17:53:59 +02:00
Andreas Kling
c5d046c23a Kernel: Use TRY() in sys$utime() 2021-09-05 17:53:28 +02:00
Andreas Kling
789db813d3 Kernel: Use copy_typed_from_user<T> for fetching syscall parameters 2021-09-05 17:51:37 +02:00
Andreas Kling
48a0b31c47 Kernel: Make copy_{from,to}_user() return KResult and use TRY() 
This makes EFAULT propagation flow much more naturally. :^)
 2021-09-05 17:38:37 +02:00
Andreas Kling
9903f5c6ef Kernel: Use TRY() in sys$read() and sys$readv() 2021-09-05 16:25:40 +02:00
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