132 lines
3.9 KiB
C++
132 lines
3.9 KiB
C++
// Copyright 2014 Citra Emulator Project
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// Licensed under GPLv2
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// Refer to the license.txt file included.
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#include <map>
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#include <vector>
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#include "common/common.h"
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#include "core/hle/kernel/kernel.h"
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#include "core/hle/kernel/event.h"
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namespace Kernel {
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class Event : public Object {
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public:
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const char* GetTypeName() { return "Event"; }
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const char* GetName() { return name.c_str(); }
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static Kernel::HandleType GetStaticHandleType() { return Kernel::HandleType::Event; }
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Kernel::HandleType GetHandleType() const { return Kernel::HandleType::Event; }
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ResetType intitial_reset_type; ///< ResetType specified at Event initialization
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ResetType reset_type; ///< Current ResetType
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bool locked; ///< Current locked state
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bool permanent_locked; ///< Hack - to set event permanent state (for easy passthrough)
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std::string name; ///< Name of event (optional)
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/**
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* Synchronize kernel object
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* @param wait Boolean wait set if current thread should wait as a result of sync operation
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* @return Result of operation, 0 on success, otherwise error code
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*/
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Result SyncRequest(bool* wait) {
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// TODO(bunnei): ImplementMe
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ERROR_LOG(KERNEL, "(UMIMPLEMENTED) call");
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return 0;
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}
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/**
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* Wait for kernel object to synchronize
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* @param wait Boolean wait set if current thread should wait as a result of sync operation
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* @return Result of operation, 0 on success, otherwise error code
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*/
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Result WaitSynchronization(bool* wait) {
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// TODO(bunnei): ImplementMe
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*wait = locked;
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if (reset_type != RESETTYPE_STICKY && !permanent_locked) {
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locked = true;
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}
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return 0;
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}
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};
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/**
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* Changes whether an event is locked or not
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* @param handle Handle to event to change
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* @param locked Boolean locked value to set event
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* @return Result of operation, 0 on success, otherwise error code
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*/
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Result SetEventLocked(const Handle handle, const bool locked) {
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Event* evt = g_object_pool.GetFast<Event>(handle);
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if (!evt) {
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ERROR_LOG(KERNEL, "called with unknown handle=0x%08X", handle);
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return -1;
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}
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if (!evt->permanent_locked) {
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evt->locked = locked;
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}
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return 0;
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}
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/**
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* Hackish function to set an events permanent lock state, used to pass through synch blocks
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* @param handle Handle to event to change
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* @param permanent_locked Boolean permanent locked value to set event
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* @return Result of operation, 0 on success, otherwise error code
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*/
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Result SetPermanentLock(Handle handle, const bool permanent_locked) {
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Event* evt = g_object_pool.GetFast<Event>(handle);
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if (!evt) {
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ERROR_LOG(KERNEL, "called with unknown handle=0x%08X", handle);
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return -1;
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}
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evt->permanent_locked = permanent_locked;
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return 0;
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}
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/**
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* Clears an event
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* @param handle Handle to event to clear
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* @return Result of operation, 0 on success, otherwise error code
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*/
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Result ClearEvent(Handle handle) {
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return SetEventLocked(handle, true);
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}
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/**
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* Creates an event
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* @param handle Reference to handle for the newly created mutex
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* @param reset_type ResetType describing how to create event
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* @param name Optional name of event
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* @return Newly created Event object
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*/
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Event* CreateEvent(Handle& handle, const ResetType reset_type, const std::string name) {
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Event* evt = new Event;
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handle = Kernel::g_object_pool.Create(evt);
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evt->locked = true;
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evt->permanent_locked = false;
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evt->reset_type = evt->intitial_reset_type = reset_type;
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evt->name = name;
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return evt;
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}
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/**
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* Creates an event
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* @param reset_type ResetType describing how to create event
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* @param name Optional name of event
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* @return Handle to newly created Event object
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*/
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Handle CreateEvent(const ResetType reset_type, const std::string name) {
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Handle handle;
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Event* evt = CreateEvent(handle, reset_type, name);
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return handle;
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}
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} // namespace
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