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57 Commits

Author SHA1 Message Date
Bananymous 8a0269d29e Kernel: Remove kernel processes 
Kernel can just use raw threads, pretty muchs the only thing that
process provides is syscalls which kernel threads of course don't
need.

Also this makes init process have pid 1 :D
 2025-07-02 01:54:03 +03:00
Bananymous 5b0e5512a8 Kernel: Don't block in send until full message is sent 
Only block until some data was sent. This allows select + send to be
actually non blocking if used correctly.

Also fixes a bug with non blocking sockets that could not send the full
message is one try.
 2025-06-28 16:55:13 +03:00
Bananymous 93e5d09a63 Kernel/LibC: Implement flock 2025-06-28 16:55:13 +03:00
Bananymous b668173cba Kernel: Fix pseudo terminal writability 2025-06-06 11:09:50 +03:00
Bananymous 943069b2a3 Kernel: Socket EPIPE and send SIGPIPE on write after hang up 2025-06-03 10:24:44 +03:00
Bananymous 30074c290d Kernel: Add more descriptive names to sockets types 2025-06-01 13:48:03 +03:00
Bananymous 4d4fb3b6ec Kernel: Cleanup and fix pipe 
pipe now sends SIGPIPE and returns EPIPE when writing and no readers are
open
 2025-05-29 01:02:22 +03:00
Bananymous 89c9bfd052 Kernel/LibC: Implement `socketpair` for UNIX sockets 2025-05-28 03:10:01 +03:00
Bananymous 6cc01349f7 Kernel: Fix unblocking recv through read 2025-05-13 10:16:21 +03:00
Bananymous c790bad667 Kernel: Make OpenFileDescriptorSet thread safe 
Also this allows concurrent calling of read/write/send/recv
 2025-04-22 04:31:18 +03:00
Bananymous d6667844de Kernel: Fix fcntl F_SETFL and masking 2025-04-18 02:37:44 +03:00
Bananymous 15045cc486 Kernel: Make nonblocking sockets unblocking :) 2025-04-05 18:42:02 +03:00
Bananymous 7c57d736c6 Kernel/LibC: Fix dirent functions 
dirent functions used to fail if a directory contained more than 128
files :D
 2025-01-28 17:15:11 +02:00
Bananymous ee078fc638 Kernel: Fix fd status/descriptor flag handling 
I was not sharing status and offset on fork and I was sharing descriptor
flags on dup/dup2
 2025-01-17 20:12:04 +02:00
Bananymous 9893c90e74 Kernel: Remove SYS_DUP and implement it using fcntl F_DUPFD 2025-01-17 19:29:47 +02:00
Bananymous 46d4e32510 Kenrel: Validate inode open mode on read/write syscalls 2024-12-15 20:49:12 +02:00
Bananymous 72d9e4c1e7 Kernel: Remove accidental debug prints from fcntl syscall 2024-12-05 17:34:32 +02:00
Bananymous 0fab7ad63b Kernel: Fix SYS_FCNTL command handling :) 
I had misunderstood how these work
 2024-12-03 16:12:26 +02:00
Bananymous 97ee370ffe Kernel: Allow listing files even if one of directories blocks are empty 2024-09-17 15:53:14 +03:00
Bananymous 8956835d95 Kernel: Make sys_.*at use VFS relative path finding 2024-09-14 21:15:58 +03:00
Bananymous ea4ec2eafc Kernel: Make OpenFileDescrptor store VFS::File instead of inode+path 2024-09-14 20:10:21 +03:00
Bananymous 467ac6c365 Kernel/LibC: Implement SOCK_CLOEXEC and SOCK_NONBLOCK 
This removes the need for fcntl after creating a socket :)
 2024-09-11 21:59:11 +03:00
Bananymous d20752c318 Kernel: Make OpenFileDescritorSet::open take rvalue 
This gets rid of some implicit allocations from copy constructors
 2024-08-28 16:36:10 +03:00
Bananymous 39be57424c Kernel: Fix SYS_SEEK with SEEK_END 
I was subtracting the offset from file end when I should have added it.
 2024-08-12 19:13:27 +03:00
Bananymous b6c964c444 Kernel: Rewrite pipes 
Pipes have now a fixed size buffer and pipe clone and close is working
again.
 2024-08-09 16:50:19 +03:00
Bananymous 838d31fa41 Kernel: Implement more POSIX compliant open() and openat() syscalls 2024-08-01 15:35:02 +03:00
Bananymous 31568fc5a1 Kernel: Rewrite Sockets to not be TmpInodes 
TmpInodes just caused issues because TmpFS kept them alive. There was
really no reason for sockets to even be stored inside a TmpFS...
 2024-06-27 00:35:19 +03:00
Bananymous bce16cdd6e Kernel: Fix how socket closing works 
Sockets are now closed only when they are not referenced any more. This
allows child process to close socket and still keep it open for the
parent.
 2024-06-19 10:39:44 +03:00
Bananymous 318ce5dec8 All: Fix a lot of compiler warnings from header files 
While reworking build system, header files started to report warnings.
 2024-06-18 23:02:10 +03:00
Bananymous 511fc870a1 BAN: Mark RefPtr and WeakPtr operator bool() as explicit 2024-06-17 20:19:36 +03:00
Bananymous 18e2559b1e Kernel/LibC: Add SYS_TRUNCATE 2024-05-28 01:08:04 +03:00
Bananymous 83e3409bd8 Kernel/LibC: Update SYS_SEEK to return new offset and implement lseek 2024-05-23 14:49:23 +03:00
Bananymous 0af74fccda Kernel/LibC: Rework dirent structure 
dirent now contains statically sized d_name. This allows using
sizeof on the name and dirent properly, which some programs seem
to be using.
 2024-05-22 20:19:59 +03:00
Bananymous 3fc1edede0 Kernel/LibC: Implement super basic select 
This does not really even block but it works... :D
 2024-02-12 17:26:33 +02:00
Bananymous e7dd03e551 Kernel: Implement basic connection-mode unix domain sockets 2024-02-08 02:28:19 +02:00
Bananymous 5da59c9151 Kernel: Make better abstractions for networking 2024-02-06 16:45:39 +02:00
Bananymous ab150b458a Kernel/LibC: Implement basic socket binding 2024-02-02 01:31:58 +02:00
Bananymous cf28ecd5a6 Kernel/LibC: Add SYS_SOCKET 2024-02-01 23:39:09 +02:00
Bananymous dfe5a2d665 All: Cleanup all files 
Add newline to end of files and remove whitespace from end of lines
 2024-01-24 15:53:38 +02:00
Bananymous 0833d7b43f Kernel: Allow opening files with O_NONBLOCK 2023-12-19 00:20:15 +02:00
Bananymous f3d9da9549 Kernel: Rewrite all read/write functions to use BAN::ByteSpan 
This allows us to not work with raw pointers and use sized containers
for reading and writing.
 2023-10-24 11:56:00 +03:00
Bananymous 7b1c573ad0 Kernel: Implement MAP_PRIVATE file mappings 
mmap() now supports mapping files with MAP_PRIVATE.
 2023-09-29 17:23:42 +03:00
Bananymous 8fb5f97a18 Kernel: Improve open() POSIX compatability 
Also rename Process::sys_creat -> create_file since it is not
actually a syscall and only used by open as a healper.
 2023-09-10 00:31:42 +03:00
Bananymous 921d95d18f All: Clear lines with only whitspace in them 2023-09-10 00:31:42 +03:00
Bananymous dd9af56e21 Kernel: Start work on making inodes more thread safe 
All inode operations are now locked and thread blocked
 2023-09-10 00:31:42 +03:00
Bananymous 39a5c52088 Kernel: Fix directory permissions 
We did not care about X bit in directories and instead used only the
R bit for search/read.
 2023-09-08 11:46:53 +03:00
Bananymous b2139c0b1e Kernel: Add basic support for O_NONBLOCK (only for tty) 2023-09-04 12:57:52 +03:00
Bananymous 6f002c926a Kernel: add basic fcntl() with couple of commands and no validation 2023-09-04 12:57:09 +03:00
Bananymous 0f6c19a1b7 Kernel: Barebones implementation sessions and process groups 2023-08-22 11:35:40 +03:00
Bananymous 79f3aa5419 Kernel/LibC: add dup() syscall and function 2023-08-17 12:03:29 +03:00