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/* -------------------------------------------
Copyright (C) 2024-2025, Amlal El Mahrouss, all rights reserved.
------------------------------------------- */
#pragma once
#include <NewKit/Defines.h>
#include <NewKit/ErrorOr.h>
namespace Kernel {
class USER_PROCESS;
class KERNEL_PROCESS;
class UserProcessTeam;
/***********************************************************************************/
/// @brief Subsystem enum type.
/***********************************************************************************/
enum class ProcessSubsystem : Int32 {
kProcessSubsystemSecurity = 100,
kProcessSubsystemApplication,
kProcessSubsystemService,
kProcessSubsystemDriver,
kProcessSubsystemInvalid = 0xFFFFFFF,
kProcessSubsystemCount = 4,
};
typedef UInt64 PTime;
/***********************************************************************************/
//! @brief Local Process identifier.
/***********************************************************************************/
typedef Int64 ProcessID;
/***********************************************************************************/
//! @brief Local Process status enum.
/***********************************************************************************/
enum class ProcessStatusKind : Int32 {
kInvalid = 0,
kStarting = 100,
kRunning,
kKilled,
kFrozen,
kFinished,
kCount = 6,
};
/***********************************************************************************/
//! @brief Affinity is the amount of nano-seconds this process is going to run.
/***********************************************************************************/
enum class AffinityKind : Int32 {
kRealTime = 500,
kVeryHigh = 250,
kHigh = 200,
kStandard = 1000,
kLowUsage = 1500,
kVeryLowUsage = 2000,
};
/***********************************************************************************/
//! Operators for AffinityKind
/***********************************************************************************/
inline bool operator<(AffinityKind lhs, AffinityKind rhs) {
Int32 lhs_int = static_cast<Int>(lhs);
Int32 rhs_int = static_cast<Int>(rhs);
return lhs_int < rhs_int;
}
inline bool operator>(AffinityKind lhs, AffinityKind rhs) {
Int32 lhs_int = static_cast<Int>(lhs);
Int32 rhs_int = static_cast<Int>(rhs);
return lhs_int > rhs_int;
}
inline bool operator<=(AffinityKind lhs, AffinityKind rhs) {
Int32 lhs_int = static_cast<Int>(lhs);
Int32 rhs_int = static_cast<Int>(rhs);
return lhs_int <= rhs_int;
}
inline bool operator>=(AffinityKind lhs, AffinityKind rhs) {
Int32 lhs_int = static_cast<Int>(lhs);
Int32 rhs_int = static_cast<Int>(rhs);
return lhs_int >= rhs_int;
}
using ProcessTime = UInt64;
using PID = Int64;
/***********************************************************************************/
/// @note For User manager, tells where we run the code.
/***********************************************************************************/
enum class ProcessLevelRing : Int32 {
kRingStdUser = 1,
kRingSuperUser = 2,
kRingGuestUser = 5,
kRingCount = 5,
};
/***********************************************************************************/
/// @brief Helper type to describe a code image.
/***********************************************************************************/
using ImagePtr = VoidPtr;
/***********************************************************************************/
/// @brief Helper class to contain a process's image and blob.
/***********************************************************************************/
struct PROCESS_IMAGE final {
explicit PROCESS_IMAGE() = default;
private:
friend USER_PROCESS;
friend KERNEL_PROCESS;
friend class UserProcessScheduler;
ImagePtr fCode;
ImagePtr fBlob;
public:
Bool HasCode() const { return this->fCode != nullptr; }
Bool HasImage() const { return this->fBlob != nullptr; }
ErrorOr<ImagePtr> Leak() {
if (this->fCode) {
return ErrorOr<ImagePtr>{this->fCode};
}
return ErrorOr<ImagePtr>{kErrorInvalidData};
}
ErrorOr<ImagePtr> LeakBlob() {
if (this->fBlob) {
return ErrorOr<ImagePtr>{this->fBlob};
}
return ErrorOr<ImagePtr>{kErrorInvalidData};
}
};
} // namespace Kernel
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