Kernel: Remove big lock from sys$shutdown

This syscall doesn't access any unprotected shared data.
Author: https://github.com/IdanHo Commit: https://github.com/SerenityOS/serenity/commit/849c227f72 Pull-request: https://github.com/SerenityOS/serenity/pull/13594
2022-04-09 22:51:49 +03:00 · 2022-04-09 22:51:49 +03:00 · 849c227f72 · 2024-07-17 14:13:39 +09:00
commit 849c227f72
parent e620487b66
2 changed files with 2 additions and 2 deletions
--- a/Kernel/API/Syscall.h
+++ b/Kernel/API/Syscall.h
@ -165,7 +165,7 @@ enum class NeedsBigProcessLock {
    S(setsid, NeedsBigProcessLock::Yes)                     \
    S(setsockopt, NeedsBigProcessLock::Yes)                 \
    S(setuid, NeedsBigProcessLock::Yes)                     \
-    S(shutdown, NeedsBigProcessLock::Yes)                   \
+    S(shutdown, NeedsBigProcessLock::No)                    \
    S(sigaction, NeedsBigProcessLock::Yes)                  \
    S(sigaltstack, NeedsBigProcessLock::Yes)                \
    S(sigpending, NeedsBigProcessLock::Yes)                 \
--- a/Kernel/Syscalls/socket.cpp
+++ b/Kernel/Syscalls/socket.cpp
@ -158,7 +158,7 @@ ErrorOr<FlatPtr> Process::sys$connect(int sockfd, Userspace<sockaddr const*> use

 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));
    if (how & ~SHUT_RDWR)
        return EINVAL;