Bananymous/banan-os
1
1
Fork 1
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Kernel/LibC: Implement super basic select

Browse Source 
This does not really even block but it works... :D
This commit is contained in:
Bananymous
2024-02-12 17:26:33 +02:00
parent f50b4be162
commit 3fc1edede0
34 changed files with 285 additions and 41 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
kernel/include/kernel/Device/DebugDevice.h
View File

@@ -21,6 +21,10 @@ namespace Kernel
virtual BAN::ErrorOr<size_t> read_impl(off_t, BAN::ByteSpan) override { return 0; }
virtual BAN::ErrorOr<size_t> write_impl(off_t, BAN::ConstByteSpan buffer) override;
virtual bool can_read_impl() const override { return false; }
virtual bool can_write_impl() const override { return true; }
virtual bool has_error_impl() const override { return false; }
private:
const dev_t m_rdev;
};

4
kernel/include/kernel/Device/FramebufferDevice.h
View File

@@ -30,6 +30,10 @@ namespace Kernel
virtual BAN::ErrorOr<size_t> read_impl(off_t, BAN::ByteSpan) override;
virtual BAN::ErrorOr<size_t> write_impl(off_t, BAN::ConstByteSpan) override;
virtual bool can_read_impl() const override { return true; }
virtual bool can_write_impl() const override { return true; }
virtual bool has_error_impl() const override { return false; }
private:
FramebufferDevice(mode_t mode, uid_t uid, gid_t gid, dev_t rdev, paddr_t paddr, uint32_t width, uint32_t height, uint32_t pitch, uint8_t bpp);
BAN::ErrorOr<void> initialize();

4
kernel/include/kernel/Device/NullDevice.h
View File

@@ -23,6 +23,10 @@ namespace Kernel
virtual BAN::ErrorOr<size_t> read_impl(off_t, BAN::ByteSpan) override { return 0; }
virtual BAN::ErrorOr<size_t> write_impl(off_t, BAN::ConstByteSpan buffer) override { return buffer.size(); };
virtual bool can_read_impl() const override { return false; }
virtual bool can_write_impl() const override { return true; }
virtual bool has_error_impl() const override { return false; }
private:
const dev_t m_rdev;
};

4
kernel/include/kernel/Device/ZeroDevice.h
View File

@@ -21,6 +21,10 @@ namespace Kernel
virtual BAN::ErrorOr<size_t> read_impl(off_t, BAN::ByteSpan) override;
virtual BAN::ErrorOr<size_t> write_impl(off_t, BAN::ConstByteSpan buffer) override { return buffer.size(); };
virtual bool can_read_impl() const override { return true; }
virtual bool can_write_impl() const override { return false; }
virtual bool has_error_impl() const override { return false; }
private:
const dev_t m_rdev;
};