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

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Another one that only messes with the current thread.
This commit is contained in:
Andreas Kling 2023-04-03 16:24:01 +02:00
parent d1fae8b09c
commit e9fe0ecbae
2 changed files with 2 additions and 2 deletions
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2
Kernel/API/Syscall.h
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@ -177,7 +177,7 @@ enum class NeedsBigProcessLock {
S(sigaction, NeedsBigProcessLock::Yes) \ S(sigaction, NeedsBigProcessLock::Yes) \
S(sigaltstack, NeedsBigProcessLock::Yes) \ S(sigaltstack, NeedsBigProcessLock::Yes) \
S(sigpending, NeedsBigProcessLock::Yes) \ S(sigpending, NeedsBigProcessLock::Yes) \
S(sigprocmask, NeedsBigProcessLock::Yes) \ S(sigprocmask, NeedsBigProcessLock::No) \
S(sigreturn, NeedsBigProcessLock::No) \ S(sigreturn, NeedsBigProcessLock::No) \
S(sigsuspend, NeedsBigProcessLock::No) \ S(sigsuspend, NeedsBigProcessLock::No) \
S(sigtimedwait, NeedsBigProcessLock::Yes) \ S(sigtimedwait, NeedsBigProcessLock::Yes) \

2
Kernel/Syscalls/sigaction.cpp
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@ -13,7 +13,7 @@ namespace Kernel {
ErrorOr<FlatPtr> Process::sys$sigprocmask(int how, Userspace<sigset_t const*> set, Userspace<sigset_t*> old_set) ErrorOr<FlatPtr> Process::sys$sigprocmask(int how, Userspace<sigset_t const*> set, Userspace<sigset_t*> old_set)
{ {
VERIFY_PROCESS_BIG_LOCK_ACQUIRED(this); VERIFY_NO_PROCESS_BIG_LOCK(this);
TRY(require_promise(Pledge::sigaction)); TRY(require_promise(Pledge::sigaction));
auto* current_thread = Thread::current(); auto* current_thread = Thread::current();
u32 previous_signal_mask; u32 previous_signal_mask;