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Kernel/LibC: Implement FIONREAD for tcp and udp sockets

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Bananymous
2025-08-08 01:14:11 +03:00
parent 009b073892
commit 5b587d199e
5 changed files with 40 additions and 1 deletions
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3
kernel/include/kernel/Networking/TCPSocket.h
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@@ -1,5 +1,6 @@
#pragma once
#include <BAN/HashMap.h>
#include <BAN/Endianness.h>
#include <BAN/Queue.h>
#include <kernel/Lock/Mutex.h>
@@ -63,6 +64,8 @@ namespace Kernel
virtual BAN::ErrorOr<size_t> recvfrom_impl(BAN::ByteSpan, sockaddr*, socklen_t*) override;
virtual BAN::ErrorOr<void> getpeername_impl(sockaddr*, socklen_t*) override;
virtual BAN::ErrorOr<long> ioctl_impl(int, void*) override;
virtual void receive_packet(BAN::ConstByteSpan, const sockaddr* sender, socklen_t sender_len) override;
virtual bool can_read_impl() const override;

4
kernel/include/kernel/Networking/UDPSocket.h
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@@ -38,6 +38,8 @@ namespace Kernel
virtual BAN::ErrorOr<size_t> recvfrom_impl(BAN::ByteSpan buffer, sockaddr* address, socklen_t* address_len) override;
virtual BAN::ErrorOr<void> getpeername_impl(sockaddr*, socklen_t*) override { return BAN::Error::from_errno(ENOTCONN); }
virtual BAN::ErrorOr<long> ioctl_impl(int, void*) override;
virtual bool can_read_impl() const override { return !m_packets.empty(); }
virtual bool can_write_impl() const override { return true; }
virtual bool has_error_impl() const override { return false; }
@@ -59,7 +61,7 @@ namespace Kernel
BAN::CircularQueue<PacketInfo, 32> m_packets;
size_t m_packet_total_size { 0 };
SpinLock m_packet_lock;
ThreadBlocker m_packet_thread_blocker;
ThreadBlocker m_packet_thread_blocker;
friend class BAN::RefPtr<UDPSocket>;
};