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ladybird/Kernel/Syscalls
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Andreas Kling d3e8eb5918 Kernel: Make file-backed memory regions remember description permissions 
This allows sys$mprotect() to honor the original readable & writable
flags of the open file description as they were at the point we did the
original sys$mmap().

IIUC, this is what Dr. POSIX wants us to do:
https://pubs.opengroup.org/onlinepubs/9699919799/functions/mprotect.html

Also, remove the bogus and racy "W^X" checking we did against mappings
based on their current inode metadata. If we want to do this, we can do
it properly. For now, it was not only racy, but also did blocking I/O
while holding a spinlock.
2022-08-24 14:57:51 +02:00
..
access.cpp Kernel: Make VirtualFileSystem functions take credentials as input 2022-08-21 16:02:24 +02:00
alarm.cpp Kernel: Make self-contained locking smart pointers their own classes 2022-08-20 17:20:43 +02:00
anon_create.cpp Kernel/Syscall: Make anon_create to not use Process::allocate_fd method 2022-08-21 10:56:48 +01:00
beep.cpp Kernel: Add CommandLine option to disable or enable the PC speaker 2022-01-23 00:40:54 +00:00
chdir.cpp Kernel: Make VirtualFileSystem functions take credentials as input 2022-08-21 16:02:24 +02:00
chmod.cpp Kernel: Make File::{chown,chmod} take credentials as input 2022-08-21 16:15:29 +02:00
chown.cpp Kernel: Make File::{chown,chmod} take credentials as input 2022-08-21 16:15:29 +02:00
clock.cpp Kernel: Wrap process address spaces in SpinlockProtected 2022-08-24 14:57:51 +02:00
debug.cpp Everywhere: Run clang-format 2022-04-01 21:24:45 +01:00
disown.cpp Kernel: Guard Process "protected data" with a spinlock 2022-08-21 12:25:14 +02:00
dup2.cpp Kernel: Mark sys$dup2() as not needing the big lock 2022-03-09 16:43:00 +01:00
emuctl.cpp Kernel: Mark sys$emuctl() as not needing the big lock 2022-03-09 16:43:00 +01:00
execve.cpp Kernel: Wrap process address spaces in SpinlockProtected 2022-08-24 14:57:51 +02:00
exit.cpp Kernel: Guard Process "protected data" with a spinlock 2022-08-21 12:25:14 +02:00
fallocate.cpp Kernel+LibC: Add posix_fallocate syscall 2022-07-15 12:42:43 +02:00
fcntl.cpp Kernel: Support F_SETLKW in fcntl 2022-07-21 16:39:22 +02:00
fork.cpp Kernel: Wrap process address spaces in SpinlockProtected 2022-08-24 14:57:51 +02:00
fsync.cpp Kernel: Mark sys$fsync() as not needing the big lock 2022-03-08 00:19:49 +01:00
ftruncate.cpp Kernel: Mark sys$ftruncate() as not needing the big lock 2022-03-09 16:43:00 +01:00
futex.cpp Kernel: Wrap process address spaces in SpinlockProtected 2022-08-24 14:57:51 +02:00
get_dir_entries.cpp Kernel: Convert process file descriptor table to a SpinlockProtected 2022-01-29 02:17:06 +01:00
get_stack_bounds.cpp Kernel: Wrap process address spaces in SpinlockProtected 2022-08-24 14:57:51 +02:00
getrandom.cpp Kernel: Handle promise violations in the syscall handler 2021-12-29 18:08:15 +01:00
getuid.cpp Kernel: Use Process::credentials() and remove user ID/group ID helpers 2022-08-22 12:46:32 +02:00
hostname.cpp Kernel: Use Process::credentials() and remove user ID/group ID helpers 2022-08-22 12:46:32 +02:00
inode_watcher.cpp Kernel: Make VirtualFileSystem functions take credentials as input 2022-08-21 16:02:24 +02:00
ioctl.cpp Kernel: Require semicolon after VERIFY_{NO_,}PROCESS_BIG_LOCK_ACQUIRED 2022-08-17 22:56:51 +02:00
keymap.cpp Kernel: Use Process::credentials() and remove user ID/group ID helpers 2022-08-22 12:46:32 +02:00
kill.cpp Kernel: Use Process::credentials() and remove user ID/group ID helpers 2022-08-22 12:46:32 +02:00
link.cpp Kernel: Make VirtualFileSystem functions take credentials as input 2022-08-21 16:02:24 +02:00
lseek.cpp Kernel: Mark sys$lseek() as not needing the big lock 2022-03-09 16:43:00 +01:00
mkdir.cpp Kernel: Make VirtualFileSystem functions take credentials as input 2022-08-21 16:02:24 +02:00
mknod.cpp Kernel: Make sys$mknod() not take the big lock 2022-08-22 17:56:03 +02:00
mmap.cpp Kernel: Make file-backed memory regions remember description permissions 2022-08-24 14:57:51 +02:00
mount.cpp Kernel: Use Process::credentials() and remove user ID/group ID helpers 2022-08-22 12:46:32 +02:00
open.cpp Kernel: Make VirtualFileSystem functions take credentials as input 2022-08-21 16:02:24 +02:00
perf_event.cpp Kernel: Require semicolon after VERIFY_{NO_,}PROCESS_BIG_LOCK_ACQUIRED 2022-08-17 22:56:51 +02:00
pipe.cpp Kernel: Use Process::credentials() and remove user ID/group ID helpers 2022-08-22 12:46:32 +02:00
pledge.cpp Kernel: Guard Process "protected data" with a spinlock 2022-08-21 12:25:14 +02:00
poll.cpp Kernel: Make self-contained locking smart pointers their own classes 2022-08-20 17:20:43 +02:00
prctl.cpp Kernel: Require semicolon after VERIFY_{NO_,}PROCESS_BIG_LOCK_ACQUIRED 2022-08-17 22:56:51 +02:00
process.cpp Kernel: Make sys$getppid() not take the big lock 2022-08-21 13:29:36 +02:00
profiling.cpp Kernel: Fix boot profiling 2022-08-23 11:48:50 +02:00
ptrace.cpp Kernel: Wrap process address spaces in SpinlockProtected 2022-08-24 14:57:51 +02:00
purge.cpp Kernel: Use Process::credentials() and remove user ID/group ID helpers 2022-08-22 12:46:32 +02:00
read.cpp Kernel: Make self-contained locking smart pointers their own classes 2022-08-20 17:20:43 +02:00
readlink.cpp Kernel: Make VirtualFileSystem functions take credentials as input 2022-08-21 16:02:24 +02:00
realpath.cpp Kernel: Make VirtualFileSystem functions take credentials as input 2022-08-21 16:02:24 +02:00
rename.cpp Kernel: Make VirtualFileSystem functions take credentials as input 2022-08-21 16:02:24 +02:00
resource.cpp Kernel: Require semicolon after VERIFY_{NO_,}PROCESS_BIG_LOCK_ACQUIRED 2022-08-17 22:56:51 +02:00
rmdir.cpp Kernel: Make VirtualFileSystem functions take credentials as input 2022-08-21 16:02:24 +02:00
sched.cpp Kernel: Use Process::credentials() and remove user ID/group ID helpers 2022-08-22 12:46:32 +02:00
sendfd.cpp Kernel: Require semicolon after VERIFY_{NO_,}PROCESS_BIG_LOCK_ACQUIRED 2022-08-17 22:56:51 +02:00
setpgid.cpp Kernel: Guard Process "protected data" with a spinlock 2022-08-21 12:25:14 +02:00
setuid.cpp Kernel: Guard Process "protected data" with a spinlock 2022-08-21 12:25:14 +02:00
sigaction.cpp Kernel: Wrap process address spaces in SpinlockProtected 2022-08-24 14:57:51 +02:00
socket.cpp Kernel: Remove big lock from sys$socket 2022-08-23 20:29:50 +02:00
stat.cpp Kernel: Make VirtualFileSystem functions take credentials as input 2022-08-21 16:02:24 +02:00
statvfs.cpp Kernel: Make VirtualFileSystem functions take credentials as input 2022-08-21 16:02:24 +02:00
sync.cpp Kernel: Require semicolon after VERIFY_{NO_,}PROCESS_BIG_LOCK_ACQUIRED 2022-08-17 22:56:51 +02:00
sysconf.cpp Kernel: Require semicolon after VERIFY_{NO_,}PROCESS_BIG_LOCK_ACQUIRED 2022-08-17 22:56:51 +02:00
thread.cpp Kernel: Wrap process address spaces in SpinlockProtected 2022-08-24 14:57:51 +02:00
times.cpp Kernel: Require semicolon after VERIFY_{NO_,}PROCESS_BIG_LOCK_ACQUIRED 2022-08-17 22:56:51 +02:00
umask.cpp Kernel: Guard Process "protected data" with a spinlock 2022-08-21 12:25:14 +02:00
uname.cpp Kernel: Require semicolon after VERIFY_{NO_,}PROCESS_BIG_LOCK_ACQUIRED 2022-08-17 22:56:51 +02:00
unlink.cpp Kernel: Make VirtualFileSystem functions take credentials as input 2022-08-21 16:02:24 +02:00
unveil.cpp Kernel: Make VirtualFileSystem functions take credentials as input 2022-08-21 16:02:24 +02:00
utime.cpp Kernel: Make sys$utime() and sys$utimensat() not take the big lock 2022-08-22 17:56:03 +02:00
utimensat.cpp Kernel: Make sys$utime() and sys$utimensat() not take the big lock 2022-08-22 17:56:03 +02:00
waitid.cpp Kernel: Make self-contained locking smart pointers their own classes 2022-08-20 17:20:43 +02:00
write.cpp Kernel: Require semicolon after VERIFY_{NO_,}PROCESS_BIG_LOCK_ACQUIRED 2022-08-17 22:56:51 +02:00