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69 lines
1.4 KiB
69 lines
1.4 KiB
#pragma once
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#include "gp_config.hpp"
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#include "gp/function.hpp"
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#include "gp/indexed_array.hpp"
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#include "gp/pointers.hpp"
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#include "gp/vfs/file_description.hpp"
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#include "gp/vfs/platforms/platform_autopicker.hpp"
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#include <atomic>
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namespace gp {
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enum class process_status {
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inactive = 0,
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running = 1,
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waiting = 2,
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finished = 3,
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zombie = 4
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};
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using pid_t = size_t;
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struct base_process_info {
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virtual void initialize() {}
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virtual void checkpoint() {}
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virtual void restore() {}
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virtual void switch_in() {}
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virtual void switch_out() {}
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virtual void cleanup() {}
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virtual ~base_process_info() {}
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};
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struct process_data{
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pid_t pid;
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gp::function<void()> fn;
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void* stack;
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size_t stack_sz;
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gp::process_status state;
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std::atomic_bool is_running;
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[[no_unique_address]] gp::specifics::platform_data specifics;
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gp::unique_ptr<base_process_info> info;
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process_data(gp::function<void()> _fn, void* _stack, size_t _stack_sz, gp::unique_ptr<base_process_info>&& _info)
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: fn(_fn)
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, stack(_stack)
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, stack_sz(_stack_sz)
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, state(gp::process_status::inactive)
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, specifics(gp::buffer<char>{(char*)stack, stack_sz})
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, info(gp::move(_info))
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{}
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process_data(process_data&& v)
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: fn(v.fn)
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, stack(v.stack)
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, stack_sz(v.stack_sz)
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, state(v.state)
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, specifics(v.specifics)
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, info(gp::move(v.info))
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{}
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~process_data() {
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if(info) {
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info->cleanup();
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}
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}
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};
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}
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