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authorSubv <subv2112@gmail.com>2015-05-12 22:25:15 +0200
committerSubv <subv2112@gmail.com>2015-05-15 05:50:13 +0200
commitd3634d4bf4b1cbd8cc4fe6f22178054803b41e23 (patch)
tree2fa606ebac3e2e77e65e1196878a5f5345acfacf /src/core/hle/kernel/resource_limit.h
parentMerge pull request #762 from yuriks/memmap (diff)
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diff --git a/src/core/hle/kernel/resource_limit.h b/src/core/hle/kernel/resource_limit.h
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+// Copyright 2015 Citra Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include "common/common_types.h"
+
+#include "core/hle/kernel/kernel.h"
+
+namespace Kernel {
+
+enum class ResourceLimitCategory : u8 {
+ APPLICATION = 0,
+ SYS_APPLET = 1,
+ LIB_APPLET = 2,
+ OTHER = 3
+};
+
+enum ResourceTypes {
+ PRIORITY = 0,
+ COMMIT = 1,
+ THREAD = 2,
+ EVENT = 3,
+ MUTEX = 4,
+ SEMAPHORE = 5,
+ TIMER = 6,
+ SHARED_MEMORY = 7,
+ ADDRESS_ARBITER = 8,
+ CPU_TIME = 9,
+};
+
+class ResourceLimit final : public Object {
+public:
+ /**
+ * Creates a resource limit object.
+ */
+ static SharedPtr<ResourceLimit> Create(std::string name = "Unknown");
+
+ /**
+ * Retrieves the resource limit associated with the specified resource limit category.
+ * @param category The resource limit category
+ * @returns The resource limit associated with the category
+ */
+ static SharedPtr<ResourceLimit> GetForCategory(ResourceLimitCategory category);
+
+ std::string GetTypeName() const override { return "ResourceLimit"; }
+ std::string GetName() const override { return name; }
+
+ static const HandleType HANDLE_TYPE = HandleType::ResourceLimit;
+ HandleType GetHandleType() const override { return HANDLE_TYPE; }
+
+ /**
+ * Gets the current value for the specified resource.
+ * @param resource Requested resource type
+ * @returns The current value of the resource type
+ */
+ s32 GetCurrentResourceValue(u32 resource) const;
+
+ /**
+ * Gets the max value for the specified resource.
+ * @param resource Requested resource type
+ * @returns The max value of the resource type
+ */
+ s32 GetMaxResourceValue(u32 resource) const;
+
+ /// Name of resource limit object.
+ std::string name;
+
+ /// Max thread priority that a process in this category can create
+ s32 max_priority = 0;
+
+ /// Max memory that processes in this category can use
+ s32 max_commit = 0;
+
+ ///< Max number of objects that can be collectively created by the processes in this category
+ s32 max_threads = 0;
+ s32 max_events = 0;
+ s32 max_mutexes = 0;
+ s32 max_semaphores = 0;
+ s32 max_timers = 0;
+ s32 max_shared_mems = 0;
+ s32 max_address_arbiters = 0;
+
+ /// Max CPU time that the processes in this category can utilize
+ s32 max_cpu_time = 0;
+
+ // TODO(Subv): Increment these in their respective Kernel::T::Create functions, keeping in mind that
+ // APPLICATION resource limits should not be affected by the objects created by service modules.
+ // Currently we have no way of distinguishing if a Create was called by the running application,
+ // or by a service module. Approach this once we have separated the service modules into their own processes
+
+ /// Current memory that the processes in this category are using
+ s32 current_commit = 0;
+
+ ///< Current number of objects among all processes in this category
+ s32 current_threads = 0;
+ s32 current_events = 0;
+ s32 current_mutexes = 0;
+ s32 current_semaphores = 0;
+ s32 current_timers = 0;
+ s32 current_shared_mems = 0;
+ s32 current_address_arbiters = 0;
+
+ /// Current CPU time that the processes in this category are utilizing
+ s32 current_cpu_time = 0;
+
+private:
+ ResourceLimit();
+ ~ResourceLimit() override;
+};
+
+/// Initializes the resource limits
+void ResourceLimitsInit();
+
+// Destroys the resource limits
+void ResourceLimitsShutdown();
+
+} // namespace