RGBCube/serenity
1
Fork 0
mirror of https://github.com/RGBCube/serenity synced 2025-07-25 18:07:34 +00:00
Code Issues Activity Actions

Kernel: Mark sys$umask as not needing the big lock

Browse source 
The body of this syscall is already serialized by calling
with_mutable_protected_data().
This commit is contained in:
Andreas Kling 2023-04-03 16:37:34 +02:00
parent 6c02c493f1
commit d8bb32117e
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

@ -189,7 +189,7 @@ enum class NeedsBigProcessLock {
S(sync, NeedsBigProcessLock::No) \ S(sync, NeedsBigProcessLock::No) \
S(sysconf, NeedsBigProcessLock::No) \ S(sysconf, NeedsBigProcessLock::No) \
S(times, NeedsBigProcessLock::Yes) \ S(times, NeedsBigProcessLock::Yes) \
S(umask, NeedsBigProcessLock::Yes) \ S(umask, NeedsBigProcessLock::No) \
S(umount, NeedsBigProcessLock::Yes) \ S(umount, NeedsBigProcessLock::Yes) \
S(uname, NeedsBigProcessLock::No) \ S(uname, NeedsBigProcessLock::No) \
S(unlink, NeedsBigProcessLock::No) \ S(unlink, NeedsBigProcessLock::No) \

2
Kernel/Syscalls/umask.cpp
View file

@ -10,7 +10,7 @@ namespace Kernel {
ErrorOr<FlatPtr> Process::sys$umask(mode_t mask) ErrorOr<FlatPtr> Process::sys$umask(mode_t mask)
{ {
VERIFY_PROCESS_BIG_LOCK_ACQUIRED(this); VERIFY_NO_PROCESS_BIG_LOCK(this);
TRY(require_promise(Pledge::stdio)); TRY(require_promise(Pledge::stdio));
return with_mutable_protected_data([&](auto& protected_data) -> ErrorOr<FlatPtr> { return with_mutable_protected_data([&](auto& protected_data) -> ErrorOr<FlatPtr> {
auto old_mask = protected_data.umask; auto old_mask = protected_data.umask;