RGBCube/serenity
1
Fork 0
mirror of https://github.com/RGBCube/serenity synced 2025-05-31 09:38:11 +00:00
Code Issues Activity Actions

Kernel: Mark sys$ioctl as not needing the big process lock

Browse source 
This syscall does not access any big process lock protected resources.
This commit is contained in:
Idan Horowitz 2023-12-16 13:30:31 +02:00 • committed by Andreas Kling
parent d63667dbf1
commit 24a60c5a10
2 changed files with 2 additions and 2 deletions
Download patch file Download diff file Expand all files Collapse all files

2
Kernel/API/Syscall.h
View file

@ -113,7 +113,7 @@ enum class NeedsBigProcessLock {
S(getuid, NeedsBigProcessLock::No) \
S(inode_watcher_add_watch, NeedsBigProcessLock::No) \
S(inode_watcher_remove_watch, NeedsBigProcessLock::No) \
S(ioctl, NeedsBigProcessLock::Yes) \
S(ioctl, NeedsBigProcessLock::No) \
S(join_thread, NeedsBigProcessLock::No) \
S(jail_create, NeedsBigProcessLock::No) \
S(jail_attach, NeedsBigProcessLock::No) \

2
Kernel/Syscalls/ioctl.cpp
View file

@ -13,7 +13,7 @@ namespace Kernel {
ErrorOr<FlatPtr> Process::sys$ioctl(int fd, unsigned request, FlatPtr arg)
{
VERIFY_PROCESS_BIG_LOCK_ACQUIRED(this);
VERIFY_NO_PROCESS_BIG_LOCK(this);
auto description = TRY(open_file_description(fd));
if (request == FIONBIO) {
description->set_blocking(TRY(copy_typed_from_user(Userspace<int const*>(arg))) == 0);