mirror of
https://github.com/skyline-emu/skyline.git
synced 2024-06-14 20:18:44 +02:00
7ad2e11705
This commit adds the Services API and implements some services. It also changes the name of the application to Skyline and replaces the icon.
70 lines
2.7 KiB
C++
70 lines
2.7 KiB
C++
#pragma once
|
|
|
|
#include "../../memory.h"
|
|
#include "KObject.h"
|
|
|
|
namespace skyline::kernel::type {
|
|
/**
|
|
* @brief KSharedMemory is used to hold a particular amount of shared memory
|
|
*/
|
|
class KSharedMemory : public KObject {
|
|
private:
|
|
int fd; //!< A file descriptor to the underlying shared memory
|
|
|
|
public:
|
|
u64 address{}; //!< The address of the allocated memory
|
|
size_t size; //!< The size of the allocated memory
|
|
u16 ipcRefCount{}; //!< The amount of reference to this memory for IPC
|
|
u16 deviceRefCount{}; //!< The amount of reference to this memory for IPC
|
|
memory::Permission localPermission; //!< The permission for the owner process
|
|
memory::Permission remotePermission; //!< The permission of any process except the owner process
|
|
memory::Type type; //!< The type of this memory allocation
|
|
|
|
/**
|
|
* @param handle A handle to this object
|
|
* @param pid The PID of the main thread
|
|
* @param state The state of the device
|
|
* @param size The size of the allocation
|
|
* @param localPermission The permission of the owner process
|
|
* @param remotePermission The permission of any process except the owner process
|
|
*/
|
|
KSharedMemory(handle_t handle, pid_t pid, const DeviceState &state, size_t size, const memory::Permission localPermission, const memory::Permission remotePermission, memory::Type type);
|
|
|
|
/**
|
|
* @brief Maps the shared memory at an address
|
|
* @param address The address to map to (If NULL an arbitrary address is picked)
|
|
*/
|
|
void Map(u64 address);
|
|
|
|
/**
|
|
* @brief Destructor of shared memory, it deallocates the memory from all processes
|
|
*/
|
|
~KSharedMemory();
|
|
|
|
/**
|
|
* @brief Resize a chunk of memory as to change the size occupied by it
|
|
* @param newSize The new size of the memory
|
|
*/
|
|
void Resize(size_t newSize);
|
|
|
|
/**
|
|
* Updates the permissions of a chunk of mapped memory
|
|
* @param local If true change local permissions else change remote permissions
|
|
* @param perms The new permissions to be set for the memory
|
|
*/
|
|
void UpdatePermission(bool local, memory::Permission newPerms);
|
|
|
|
/**
|
|
* Initiates the instance of shared memory in a particular process
|
|
* @param pid The PID of the process
|
|
*/
|
|
void InitiateProcess(pid_t pid);
|
|
|
|
/**
|
|
* @param pid The PID of the requesting process
|
|
* @return A Memory::MemoryInfo struct based on attributes of the memory
|
|
*/
|
|
memory::MemoryInfo GetInfo(pid_t pid);
|
|
};
|
|
}
|