1 files changed, 119 insertions, 0 deletions

diff --git a/src/core/hle/kernel/resource_limit.h b/src/core/hle/kernel/resource_limit.h
new file mode 100644
index 000000000..201ec0db9
--- /dev/null
+++ b/src/core/hle/kernel/resource_limit.h
@@ -0,0 +1,119 @@
+// 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