General Purpose library for Freestanding C++ and POSIX systems
選択できるのは25トピックまでです。 トピックは、先頭が英数字で、英数字とダッシュ('-')を使用した35文字以内のものにしてください。
 
 

70 行
1.5 KiB

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