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Kernel: Rewrite pipes using the new ring buffer

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Bananymous
2026-02-28 14:20:52 +02:00
parent 493b5cb9b1
commit 8b8af1a9d9
2 changed files with 17 additions and 37 deletions
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7
kernel/include/kernel/FS/Pipe.h
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@@ -2,6 +2,7 @@
#include <BAN/Array.h>
#include <kernel/FS/Inode.h>
#include <kernel/Memory/ByteRingBuffer.h>
#include <kernel/ThreadBlocker.h>
namespace Kernel
@@ -38,7 +39,7 @@ namespace Kernel
virtual BAN::ErrorOr<size_t> write_impl(off_t, BAN::ConstByteSpan) override;
virtual BAN::ErrorOr<void> fsync_impl() final override { return {}; }
virtual bool can_read_impl() const override { return m_buffer_size > 0; }
virtual bool can_read_impl() const override { return !m_buffer->empty(); }
virtual bool can_write_impl() const override { return true; }
virtual bool has_error_impl() const override { return m_reading_count == 0; }
virtual bool has_hungup_impl() const override { return m_writing_count == 0; }
@@ -54,9 +55,7 @@ namespace Kernel
timespec m_ctime {};
ThreadBlocker m_thread_blocker;
BAN::Array<uint8_t, PAGE_SIZE> m_buffer;
BAN::Atomic<size_t> m_buffer_size { 0 };
size_t m_buffer_tail { 0 };
BAN::UniqPtr<ByteRingBuffer> m_buffer;
BAN::Atomic<uint32_t> m_writing_count { 1 };
BAN::Atomic<uint32_t> m_reading_count { 1 };