RGBCube/serenity
1
Fork 0
mirror of https://github.com/RGBCube/serenity synced 2025-05-23 19:05:08 +00:00
Code Issues Activity Actions

Kernel: Make sys$recvfrom() with MSG_DONTWAIT not so racy

Browse source 
Instead of temporary changing the open file description's "blocking"
flag while doing a non-waiting recvfrom, we instead plumb the currently
wanted blocking behavior all the way through to the underlying socket.
This commit is contained in:
Andreas Kling 2022-08-21 16:45:42 +02:00
parent 8997c6a4d1
commit 42435ce5e4
7 changed files with 17 additions and 22 deletions
Download patch file Download diff file Expand all files Collapse all files

2
Kernel/Net/Socket.cpp
View file

@ -242,7 +242,7 @@ ErrorOr<size_t> Socket::read(OpenFileDescription& description, u64, UserOrKernel
if (is_shut_down_for_reading())
return 0;
Time t {};
return recvfrom(description, buffer, size, 0, {}, 0, t);
return recvfrom(description, buffer, size, 0, {}, 0, t, description.is_blocking());
}
ErrorOr<size_t> Socket::write(OpenFileDescription& description, u64, UserOrKernelBuffer const& data, size_t size)