RGBCube/serenity
1
Fork 0
mirror of https://github.com/RGBCube/serenity synced 2025-07-25 14:57:35 +00:00
Code Issues Activity Actions

Kernel: Disable big process lock for sys$yield()

Browse source
This commit is contained in:
Brian Gianforcaro 2021-07-18 11:37:07 -07:00 • committed by Gunnar Beutner
parent 5c10fb4007
commit 8f01a8b741
2 changed files with 3 additions and 3 deletions
Download patch file Download diff file Expand all files Collapse all files

2
Kernel/API/Syscall.h
View file

@ -43,7 +43,7 @@ enum class NeedsBigProcessLock {
// - VERIFY_NO_PROCESS_BIG_LOCK(this)
//
#define ENUMERATE_SYSCALLS(S) \
S(yield, NeedsBigProcessLock::Yes) \
S(yield, NeedsBigProcessLock::No) \
S(open, NeedsBigProcessLock::Yes) \
S(close, NeedsBigProcessLock::Yes) \
S(read, NeedsBigProcessLock::Yes) \

4
Kernel/Syscalls/sched.cpp
View file

@ -10,9 +10,9 @@ namespace Kernel {
KResultOr<FlatPtr> Process::sys$yield()
{
VERIFY_PROCESS_BIG_LOCK_ACQUIRED(this)
VERIFY_NO_PROCESS_BIG_LOCK(this);
REQUIRE_PROMISE(stdio);
Thread::current()->yield_and_release_relock_big_lock();
Thread::current()->yield_assuming_not_holding_big_lock();
return 0;
}