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

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This syscall does not access any big process lock protected resources.
This commit is contained in:
Idan Horowitz 2023-12-16 13:19:49 +02:00 • committed by Andreas Kling
parent b44628c1fb
commit d63667dbf1
2 changed files with 2 additions and 2 deletions
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2
Kernel/API/Syscall.h
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@ -118,7 +118,7 @@ enum class NeedsBigProcessLock {
S(jail_create, NeedsBigProcessLock::No) \ S(jail_create, NeedsBigProcessLock::No) \
S(jail_attach, NeedsBigProcessLock::No) \ S(jail_attach, NeedsBigProcessLock::No) \
S(kill, NeedsBigProcessLock::No) \ S(kill, NeedsBigProcessLock::No) \
S(kill_thread, NeedsBigProcessLock::Yes) \ S(kill_thread, NeedsBigProcessLock::No) \
S(killpg, NeedsBigProcessLock::No) \ S(killpg, NeedsBigProcessLock::No) \
S(link, NeedsBigProcessLock::No) \ S(link, NeedsBigProcessLock::No) \
S(listen, NeedsBigProcessLock::No) \ S(listen, NeedsBigProcessLock::No) \

2
Kernel/Syscalls/thread.cpp
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@ -169,7 +169,7 @@ ErrorOr<FlatPtr> Process::sys$join_thread(pid_t tid, Userspace<void**> exit_valu
ErrorOr<FlatPtr> Process::sys$kill_thread(pid_t tid, int signal) ErrorOr<FlatPtr> Process::sys$kill_thread(pid_t tid, int signal)
{ {
VERIFY_PROCESS_BIG_LOCK_ACQUIRED(this); VERIFY_NO_PROCESS_BIG_LOCK(this);
TRY(require_promise(Pledge::thread)); TRY(require_promise(Pledge::thread));
if (signal < 0 || signal >= NSIG) if (signal < 0 || signal >= NSIG)