mirrors/ladybird
0
0
Fork 0
mirror of https://github.com/LadybirdBrowser/ladybird.git synced 2025-09-11 03:56:16 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 9

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

Browse source 
Now that the master TLS region is spinlock protected, this syscall does
not access any big process lock protected resources.
This commit is contained in:
Idan Horowitz 2023-12-16 12:59:48 +02:00 • committed by Andreas Kling
commit b49a0e2c61
Notes: sideshowbarker 2024-07-17 03:18:29 +09:00
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

@ -63,7 +63,7 @@ enum class NeedsBigProcessLock {
S(close, NeedsBigProcessLock::No) \
S(connect, NeedsBigProcessLock::No) \
S(create_inode_watcher, NeedsBigProcessLock::No) \
S(create_thread, NeedsBigProcessLock::Yes) \
S(create_thread, NeedsBigProcessLock::No) \
S(dbgputstr, NeedsBigProcessLock::No) \
S(detach_thread, NeedsBigProcessLock::Yes) \
S(disown, NeedsBigProcessLock::No) \

2
Kernel/Syscalls/thread.cpp
View file

@ -14,7 +14,7 @@ namespace Kernel {
ErrorOr<FlatPtr> Process::sys$create_thread(void* (*entry)(void*), Userspace<Syscall::SC_create_thread_params const*> user_params)
{
VERIFY_PROCESS_BIG_LOCK_ACQUIRED(this);
VERIFY_NO_PROCESS_BIG_LOCK(this);
TRY(require_promise(Pledge::thread));
auto params = TRY(copy_typed_from_user(user_params));