diff options
Diffstat (limited to 'kernel/src/filesystem/file_descriptor_table.cpp')
| -rw-r--r-- | kernel/src/filesystem/file_descriptor_table.cpp | 98 |
1 files changed, 0 insertions, 98 deletions
diff --git a/kernel/src/filesystem/file_descriptor_table.cpp b/kernel/src/filesystem/file_descriptor_table.cpp deleted file mode 100644 index 9361f37..0000000 --- a/kernel/src/filesystem/file_descriptor_table.cpp +++ /dev/null @@ -1,98 +0,0 @@ -#include <kernel/filesystem/file_descriptor_table.hpp> - -#include <kernel/filesystem/open_file_descriptor.hpp> - -#include <kapi/system.hpp> - -#include <kstd/memory> - -#include <algorithm> -#include <cstddef> -#include <optional> - -namespace -{ - constinit auto static global_file_descriptor_table = std::optional<kernel::filesystem::file_descriptor_table>{}; -} // namespace - -namespace kernel::filesystem -{ - auto file_descriptor_table::init() -> void - { - if (global_file_descriptor_table) - { - kapi::system::panic("[FILESYSTEM] File descriptor table has already been initialized."); - } - - global_file_descriptor_table.emplace(file_descriptor_table{}); - } - - auto file_descriptor_table::get() -> file_descriptor_table & - { - if (!global_file_descriptor_table) - { - kapi::system::panic("[FILESYSTEM] File descriptor table has not been initialized."); - } - - return *global_file_descriptor_table; - } - - auto file_descriptor_table::add_file(kstd::shared_ptr<open_file_descriptor> const & file_descriptor) -> int - { - if (!file_descriptor) - { - return -1; - } - - auto it = std::ranges::find_if(m_open_files, [](auto const & open_file) { return open_file == nullptr; }); - if (it != m_open_files.end()) - { - *it = file_descriptor; - return static_cast<int>(it - m_open_files.begin()); - } - - m_open_files.push_back(file_descriptor); - return static_cast<int>(m_open_files.size() - 1); - } - - auto file_descriptor_table::get_file(int fd) const -> kstd::shared_ptr<open_file_descriptor> - { - if (fd < 0) - { - return nullptr; - } - - auto const index = static_cast<size_t>(fd); - if (index >= m_open_files.size()) - { - return nullptr; - } - - return m_open_files.at(index); - } - - auto file_descriptor_table::remove_file(int fd) -> int - { - if (fd < 0) - { - return -1; - } - - auto const index = static_cast<size_t>(fd); - if (index >= m_open_files.size()) - { - return -1; - } - - m_open_files.at(index) = nullptr; - return 0; - } -} // namespace kernel::filesystem - -namespace kernel::tests::filesystem::file_descriptor_table -{ - auto deinit() -> void - { - global_file_descriptor_table.reset(); - } -} // namespace kernel::tests::filesystem::file_descriptor_table |
