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Kernel: Mark sys$listen() as not needing the big lock

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This syscall already performs the necessary locking and so doesn't
need to rely on the process big lock.
This commit is contained in:
Andreas Kling 2022-04-03 22:22:22 +02:00
parent e103c5fe2d
commit 36d829b97c
2 changed files with 2 additions and 2 deletions
Download patch file Download diff file Expand all files Collapse all files

2
Kernel/API/Syscall.h
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@ -110,7 +110,7 @@ enum class NeedsBigProcessLock {
S(kill_thread, NeedsBigProcessLock::Yes) \ S(kill_thread, NeedsBigProcessLock::Yes) \
S(killpg, NeedsBigProcessLock::Yes) \ S(killpg, NeedsBigProcessLock::Yes) \
S(link, NeedsBigProcessLock::Yes) \ S(link, NeedsBigProcessLock::Yes) \
S(listen, NeedsBigProcessLock::Yes) \ S(listen, NeedsBigProcessLock::No) \
S(lseek, NeedsBigProcessLock::No) \ S(lseek, NeedsBigProcessLock::No) \
S(madvise, NeedsBigProcessLock::Yes) \ S(madvise, NeedsBigProcessLock::Yes) \
S(map_time_page, NeedsBigProcessLock::Yes) \ S(map_time_page, NeedsBigProcessLock::Yes) \

2
Kernel/Syscalls/socket.cpp
View file

@ -62,7 +62,7 @@ ErrorOr<FlatPtr> Process::sys$bind(int sockfd, Userspace<sockaddr const*> addres
ErrorOr<FlatPtr> Process::sys$listen(int sockfd, int backlog) ErrorOr<FlatPtr> Process::sys$listen(int sockfd, int backlog)
{ {
VERIFY_PROCESS_BIG_LOCK_ACQUIRED(this) VERIFY_NO_PROCESS_BIG_LOCK(this)
if (backlog < 0) if (backlog < 0)
return EINVAL; return EINVAL;
auto description = TRY(open_file_description(sockfd)); auto description = TRY(open_file_description(sockfd));