Merge pull request #8598 from Link4565/recv-dontwait

Enable the use of MSG_DONTWAIT flag on RecvImpl
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bunnei 2022-07-21 15:43:55 -07:00 committed by GitHub
commit 6e36f4d230
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1 changed files with 19 additions and 1 deletions

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@ -720,7 +720,25 @@ std::pair<s32, Errno> BSD::RecvImpl(s32 fd, u32 flags, std::vector<u8>& message)
if (!IsFileDescriptorValid(fd)) {
return {-1, Errno::BADF};
}
return Translate(file_descriptors[fd]->socket->Recv(flags, message));
FileDescriptor& descriptor = *file_descriptors[fd];
// Apply flags
if ((flags & FLAG_MSG_DONTWAIT) != 0) {
flags &= ~FLAG_MSG_DONTWAIT;
if ((descriptor.flags & FLAG_O_NONBLOCK) == 0) {
descriptor.socket->SetNonBlock(true);
}
}
const auto [ret, bsd_errno] = Translate(descriptor.socket->Recv(flags, message));
// Restore original state
if ((descriptor.flags & FLAG_O_NONBLOCK) == 0) {
descriptor.socket->SetNonBlock(false);
}
return {ret, bsd_errno};
}
std::pair<s32, Errno> BSD::RecvFromImpl(s32 fd, u32 flags, std::vector<u8>& message,