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Kernel: Remove big lock from sys$shutdown

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This syscall doesn't access any unprotected shared data.
This commit is contained in:
Idan Horowitz 2022-04-09 22:51:49 +03:00 • committed by Andreas Kling
parent e620487b66
commit 849c227f72
2 changed files with 2 additions and 2 deletions
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2
Kernel/API/Syscall.h
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@ -165,7 +165,7 @@ enum class NeedsBigProcessLock {
S(setsid, NeedsBigProcessLock::Yes) \ S(setsid, NeedsBigProcessLock::Yes) \
S(setsockopt, NeedsBigProcessLock::Yes) \ S(setsockopt, NeedsBigProcessLock::Yes) \
S(setuid, NeedsBigProcessLock::Yes) \ S(setuid, NeedsBigProcessLock::Yes) \
S(shutdown, NeedsBigProcessLock::Yes) \ S(shutdown, NeedsBigProcessLock::No) \
S(sigaction, NeedsBigProcessLock::Yes) \ S(sigaction, NeedsBigProcessLock::Yes) \
S(sigaltstack, NeedsBigProcessLock::Yes) \ S(sigaltstack, NeedsBigProcessLock::Yes) \
S(sigpending, NeedsBigProcessLock::Yes) \ S(sigpending, NeedsBigProcessLock::Yes) \

2
Kernel/Syscalls/socket.cpp
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@ -158,7 +158,7 @@ ErrorOr<FlatPtr> Process::sys$connect(int sockfd, Userspace<sockaddr const*> use
ErrorOr<FlatPtr> Process::sys$shutdown(int sockfd, int how) ErrorOr<FlatPtr> Process::sys$shutdown(int sockfd, int how)
{ {
VERIFY_PROCESS_BIG_LOCK_ACQUIRED(this) VERIFY_NO_PROCESS_BIG_LOCK(this)
TRY(require_promise(Pledge::stdio)); TRY(require_promise(Pledge::stdio));
if (how & ~SHUT_RDWR) if (how & ~SHUT_RDWR)
return EINVAL; return EINVAL;