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57 lines
1.5 KiB
C++
57 lines
1.5 KiB
C++
#pragma once
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#include "evf.hpp"
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#include "utils/LinkedNode.hpp"
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#include "utils/SharedMutex.hpp"
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#include "KernelAllocator.hpp"
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#include "orbis/thread/types.hpp"
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#include <algorithm>
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#include <pthread.h>
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#include <utility>
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namespace orbis {
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struct Process;
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class alignas(__STDCPP_DEFAULT_NEW_ALIGNMENT__) KernelContext final {
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public:
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KernelContext();
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~KernelContext();
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Process *createProcess(pid_t pid);
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void deleteProcess(Process *proc);
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Process *findProcessById(pid_t pid) const;
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void *kalloc(std::size_t size,
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std::size_t align = __STDCPP_DEFAULT_NEW_ALIGNMENT__);
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void kfree(void *ptr, std::size_t size);
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std::pair<EventFlag *, bool> createEventFlag(utils::kstring name,
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std::int32_t flags) {
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auto [it, inserted] =
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m_event_flags.try_emplace(std::move(name), knew<EventFlag>(flags));
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return {it->second.get(), inserted};
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}
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Ref<EventFlag> findEventFlag(std::string_view name) {
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if (auto it = m_event_flags.find(name); it != m_event_flags.end()) {
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return it->second;
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}
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return {};
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}
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private:
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mutable pthread_mutex_t m_heap_mtx;
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void *m_heap_next = this + 1;
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bool m_heap_is_freeing = false;
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utils::kmultimap<std::size_t, void *> m_free_heap;
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utils::kmultimap<std::size_t, void *> m_used_node;
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mutable shared_mutex m_proc_mtx;
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utils::LinkedNode<Process> *m_processes = nullptr;
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utils::kmap<utils::kstring, Ref<EventFlag>> m_event_flags;
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};
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extern KernelContext &g_context;
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} // namespace orbis
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