From 8d3e06349e12e7de17c334619f1f986792d1de4b Mon Sep 17 00:00:00 2001 From: bunnei Date: Thu, 3 Dec 2020 16:43:18 -0800 Subject: [PATCH] hle: kernel: Separate KScheduler from GlobalSchedulerContext class. --- src/common/CMakeLists.txt | 1 - src/common/multi_level_queue.h | 345 ------------------ src/core/CMakeLists.txt | 2 + .../hle/kernel/global_scheduler_context.cpp | 55 +++ .../hle/kernel/global_scheduler_context.h | 79 ++++ src/core/hle/kernel/k_scheduler.cpp | 48 +-- src/core/hle/kernel/k_scheduler.h | 74 +--- src/tests/CMakeLists.txt | 1 - src/tests/common/multi_level_queue.cpp | 55 --- 9 files changed, 140 insertions(+), 520 deletions(-) delete mode 100644 src/common/multi_level_queue.h create mode 100644 src/core/hle/kernel/global_scheduler_context.cpp create mode 100644 src/core/hle/kernel/global_scheduler_context.h delete mode 100644 src/tests/common/multi_level_queue.cpp diff --git a/src/common/CMakeLists.txt b/src/common/CMakeLists.txt index fc2ed99990..8e51104a17 100644 --- a/src/common/CMakeLists.txt +++ b/src/common/CMakeLists.txt @@ -141,7 +141,6 @@ add_library(common STATIC microprofile.h microprofileui.h misc.cpp - multi_level_queue.h page_table.cpp page_table.h param_package.cpp diff --git a/src/common/multi_level_queue.h b/src/common/multi_level_queue.h deleted file mode 100644 index 4b305bf409..0000000000 --- a/src/common/multi_level_queue.h +++ /dev/null @@ -1,345 +0,0 @@ -// Copyright 2019 TuxSH -// Licensed under GPLv2 or any later version -// Refer to the license.txt file included. - -#pragma once - -#include -#include -#include -#include - -#include "common/bit_util.h" -#include "common/common_types.h" - -namespace Common { - -/** - * A MultiLevelQueue is a type of priority queue which has the following characteristics: - * - iteratable through each of its elements. - * - back can be obtained. - * - O(1) add, lookup (both front and back) - * - discrete priorities and a max of 64 priorities (limited domain) - * This type of priority queue is normaly used for managing threads within an scheduler - */ -template -class MultiLevelQueue { -public: - using value_type = T; - using reference = value_type&; - using const_reference = const value_type&; - using pointer = value_type*; - using const_pointer = const value_type*; - - using difference_type = typename std::pointer_traits::difference_type; - using size_type = std::size_t; - - template - class iterator_impl { - public: - using iterator_category = std::bidirectional_iterator_tag; - using value_type = T; - using pointer = std::conditional_t; - using reference = std::conditional_t; - using difference_type = typename std::pointer_traits::difference_type; - - friend bool operator==(const iterator_impl& lhs, const iterator_impl& rhs) { - if (lhs.IsEnd() && rhs.IsEnd()) - return true; - return std::tie(lhs.current_priority, lhs.it) == std::tie(rhs.current_priority, rhs.it); - } - - friend bool operator!=(const iterator_impl& lhs, const iterator_impl& rhs) { - return !operator==(lhs, rhs); - } - - reference operator*() const { - return *it; - } - - pointer operator->() const { - return it.operator->(); - } - - iterator_impl& operator++() { - if (IsEnd()) { - return *this; - } - - ++it; - - if (it == GetEndItForPrio()) { - u64 prios = mlq.used_priorities; - prios &= ~((1ULL << (current_priority + 1)) - 1); - if (prios == 0) { - current_priority = static_cast(mlq.depth()); - } else { - current_priority = CountTrailingZeroes64(prios); - it = GetBeginItForPrio(); - } - } - return *this; - } - - iterator_impl& operator--() { - if (IsEnd()) { - if (mlq.used_priorities != 0) { - current_priority = 63 - CountLeadingZeroes64(mlq.used_priorities); - it = GetEndItForPrio(); - --it; - } - } else if (it == GetBeginItForPrio()) { - u64 prios = mlq.used_priorities; - prios &= (1ULL << current_priority) - 1; - if (prios != 0) { - current_priority = CountTrailingZeroes64(prios); - it = GetEndItForPrio(); - --it; - } - } else { - --it; - } - return *this; - } - - iterator_impl operator++(int) { - const iterator_impl v{*this}; - ++(*this); - return v; - } - - iterator_impl operator--(int) { - const iterator_impl v{*this}; - --(*this); - return v; - } - - // allow implicit const->non-const - iterator_impl(const iterator_impl& other) - : mlq(other.mlq), it(other.it), current_priority(other.current_priority) {} - - iterator_impl(const iterator_impl& other) - : mlq(other.mlq), it(other.it), current_priority(other.current_priority) {} - - iterator_impl& operator=(const iterator_impl& other) { - mlq = other.mlq; - it = other.it; - current_priority = other.current_priority; - return *this; - } - - friend class iterator_impl; - iterator_impl() = default; - - private: - friend class MultiLevelQueue; - using container_ref = - std::conditional_t; - using list_iterator = std::conditional_t::const_iterator, - typename std::list::iterator>; - - explicit iterator_impl(container_ref mlq, list_iterator it, u32 current_priority) - : mlq(mlq), it(it), current_priority(current_priority) {} - explicit iterator_impl(container_ref mlq, u32 current_priority) - : mlq(mlq), it(), current_priority(current_priority) {} - - bool IsEnd() const { - return current_priority == mlq.depth(); - } - - list_iterator GetBeginItForPrio() const { - return mlq.levels[current_priority].begin(); - } - - list_iterator GetEndItForPrio() const { - return mlq.levels[current_priority].end(); - } - - container_ref mlq; - list_iterator it; - u32 current_priority; - }; - - using iterator = iterator_impl; - using const_iterator = iterator_impl; - - void add(const T& element, u32 priority, bool send_back = true) { - if (send_back) - levels[priority].push_back(element); - else - levels[priority].push_front(element); - used_priorities |= 1ULL << priority; - } - - void remove(const T& element, u32 priority) { - auto it = ListIterateTo(levels[priority], element); - if (it == levels[priority].end()) - return; - levels[priority].erase(it); - if (levels[priority].empty()) { - used_priorities &= ~(1ULL << priority); - } - } - - void adjust(const T& element, u32 old_priority, u32 new_priority, bool adjust_front = false) { - remove(element, old_priority); - add(element, new_priority, !adjust_front); - } - void adjust(const_iterator it, u32 old_priority, u32 new_priority, bool adjust_front = false) { - adjust(*it, old_priority, new_priority, adjust_front); - } - - void transfer_to_front(const T& element, u32 priority, MultiLevelQueue& other) { - ListSplice(other.levels[priority], other.levels[priority].begin(), levels[priority], - ListIterateTo(levels[priority], element)); - - other.used_priorities |= 1ULL << priority; - - if (levels[priority].empty()) { - used_priorities &= ~(1ULL << priority); - } - } - - void transfer_to_front(const_iterator it, u32 priority, MultiLevelQueue& other) { - transfer_to_front(*it, priority, other); - } - - void transfer_to_back(const T& element, u32 priority, MultiLevelQueue& other) { - ListSplice(other.levels[priority], other.levels[priority].end(), levels[priority], - ListIterateTo(levels[priority], element)); - - other.used_priorities |= 1ULL << priority; - - if (levels[priority].empty()) { - used_priorities &= ~(1ULL << priority); - } - } - - void transfer_to_back(const_iterator it, u32 priority, MultiLevelQueue& other) { - transfer_to_back(*it, priority, other); - } - - void yield(u32 priority, std::size_t n = 1) { - ListShiftForward(levels[priority], n); - } - - [[nodiscard]] std::size_t depth() const { - return Depth; - } - - [[nodiscard]] std::size_t size(u32 priority) const { - return levels[priority].size(); - } - - [[nodiscard]] std::size_t size() const { - u64 priorities = used_priorities; - std::size_t size = 0; - while (priorities != 0) { - const u64 current_priority = CountTrailingZeroes64(priorities); - size += levels[current_priority].size(); - priorities &= ~(1ULL << current_priority); - } - return size; - } - - [[nodiscard]] bool empty() const { - return used_priorities == 0; - } - - [[nodiscard]] bool empty(u32 priority) const { - return (used_priorities & (1ULL << priority)) == 0; - } - - [[nodiscard]] u32 highest_priority_set(u32 max_priority = 0) const { - const u64 priorities = - max_priority == 0 ? used_priorities : (used_priorities & ~((1ULL << max_priority) - 1)); - return priorities == 0 ? Depth : static_cast(CountTrailingZeroes64(priorities)); - } - - [[nodiscard]] u32 lowest_priority_set(u32 min_priority = Depth - 1) const { - const u64 priorities = min_priority >= Depth - 1 - ? used_priorities - : (used_priorities & ((1ULL << (min_priority + 1)) - 1)); - return priorities == 0 ? Depth : 63 - CountLeadingZeroes64(priorities); - } - - [[nodiscard]] const_iterator cbegin(u32 max_prio = 0) const { - const u32 priority = highest_priority_set(max_prio); - return priority == Depth ? cend() - : const_iterator{*this, levels[priority].cbegin(), priority}; - } - [[nodiscard]] const_iterator begin(u32 max_prio = 0) const { - return cbegin(max_prio); - } - [[nodiscard]] iterator begin(u32 max_prio = 0) { - const u32 priority = highest_priority_set(max_prio); - return priority == Depth ? end() : iterator{*this, levels[priority].begin(), priority}; - } - - [[nodiscard]] const_iterator cend(u32 min_prio = Depth - 1) const { - return min_prio == Depth - 1 ? const_iterator{*this, Depth} : cbegin(min_prio + 1); - } - [[nodiscard]] const_iterator end(u32 min_prio = Depth - 1) const { - return cend(min_prio); - } - [[nodiscard]] iterator end(u32 min_prio = Depth - 1) { - return min_prio == Depth - 1 ? iterator{*this, Depth} : begin(min_prio + 1); - } - - [[nodiscard]] T& front(u32 max_priority = 0) { - const u32 priority = highest_priority_set(max_priority); - return levels[priority == Depth ? 0 : priority].front(); - } - [[nodiscard]] const T& front(u32 max_priority = 0) const { - const u32 priority = highest_priority_set(max_priority); - return levels[priority == Depth ? 0 : priority].front(); - } - - [[nodiscard]] T& back(u32 min_priority = Depth - 1) { - const u32 priority = lowest_priority_set(min_priority); // intended - return levels[priority == Depth ? 63 : priority].back(); - } - [[nodiscard]] const T& back(u32 min_priority = Depth - 1) const { - const u32 priority = lowest_priority_set(min_priority); // intended - return levels[priority == Depth ? 63 : priority].back(); - } - - void clear() { - used_priorities = 0; - for (std::size_t i = 0; i < Depth; i++) { - levels[i].clear(); - } - } - -private: - using const_list_iterator = typename std::list::const_iterator; - - static void ListShiftForward(std::list& list, const std::size_t shift = 1) { - if (shift >= list.size()) { - return; - } - - const auto begin_range = list.begin(); - const auto end_range = std::next(begin_range, shift); - list.splice(list.end(), list, begin_range, end_range); - } - - static void ListSplice(std::list& in_list, const_list_iterator position, - std::list& out_list, const_list_iterator element) { - in_list.splice(position, out_list, element); - } - - [[nodiscard]] static const_list_iterator ListIterateTo(const std::list& list, - const T& element) { - auto it = list.cbegin(); - while (it != list.cend() && *it != element) { - ++it; - } - return it; - } - - std::array, Depth> levels; - u64 used_priorities = 0; -}; - -} // namespace Common diff --git a/src/core/CMakeLists.txt b/src/core/CMakeLists.txt index 662839ff87..ee61f22c05 100644 --- a/src/core/CMakeLists.txt +++ b/src/core/CMakeLists.txt @@ -148,6 +148,8 @@ add_library(core STATIC hle/kernel/code_set.cpp hle/kernel/code_set.h hle/kernel/errors.h + hle/kernel/global_scheduler_context.cpp + hle/kernel/global_scheduler_context.h hle/kernel/handle_table.cpp hle/kernel/handle_table.h hle/kernel/hle_ipc.cpp diff --git a/src/core/hle/kernel/global_scheduler_context.cpp b/src/core/hle/kernel/global_scheduler_context.cpp new file mode 100644 index 0000000000..40e9adf478 --- /dev/null +++ b/src/core/hle/kernel/global_scheduler_context.cpp @@ -0,0 +1,55 @@ +// Copyright 2020 yuzu Emulator Project +// Licensed under GPLv2 or any later version +// Refer to the license.txt file included. + +#include + +#include "common/assert.h" +#include "core/core.h" +#include "core/hle/kernel/global_scheduler_context.h" +#include "core/hle/kernel/k_scheduler.h" +#include "core/hle/kernel/kernel.h" + +namespace Kernel { + +GlobalSchedulerContext::GlobalSchedulerContext(KernelCore& kernel) + : kernel{kernel}, scheduler_lock{kernel} {} + +GlobalSchedulerContext::~GlobalSchedulerContext() = default; + +void GlobalSchedulerContext::AddThread(std::shared_ptr thread) { + std::scoped_lock lock{global_list_guard}; + thread_list.push_back(std::move(thread)); +} + +void GlobalSchedulerContext::RemoveThread(std::shared_ptr thread) { + std::scoped_lock lock{global_list_guard}; + thread_list.erase(std::remove(thread_list.begin(), thread_list.end(), thread), + thread_list.end()); +} + +void GlobalSchedulerContext::PreemptThreads() { + // The priority levels at which the global scheduler preempts threads every 10 ms. They are + // ordered from Core 0 to Core 3. + std::array preemption_priorities = {59, 59, 59, 63}; + + ASSERT(IsLocked()); + for (u32 core_id = 0; core_id < Core::Hardware::NUM_CPU_CORES; core_id++) { + const u32 priority = preemption_priorities[core_id]; + kernel.Scheduler(core_id).RotateScheduledQueue(core_id, priority); + } +} + +bool GlobalSchedulerContext::IsLocked() const { + return scheduler_lock.IsLockedByCurrentThread(); +} + +void GlobalSchedulerContext::Lock() { + scheduler_lock.Lock(); +} + +void GlobalSchedulerContext::Unlock() { + scheduler_lock.Unlock(); +} + +} // namespace Kernel diff --git a/src/core/hle/kernel/global_scheduler_context.h b/src/core/hle/kernel/global_scheduler_context.h new file mode 100644 index 0000000000..40fe44cc0e --- /dev/null +++ b/src/core/hle/kernel/global_scheduler_context.h @@ -0,0 +1,79 @@ +// Copyright 2020 yuzu Emulator Project +// Licensed under GPLv2 or any later version +// Refer to the license.txt file included. + +#pragma once + +#include +#include + +#include "common/common_types.h" +#include "common/spin_lock.h" +#include "core/hardware_properties.h" +#include "core/hle/kernel/k_priority_queue.h" +#include "core/hle/kernel/k_scheduler_lock.h" +#include "core/hle/kernel/thread.h" + +namespace Kernel { + +class KernelCore; +class SchedulerLock; + +using KSchedulerPriorityQueue = + KPriorityQueue; +static constexpr s32 HighestCoreMigrationAllowedPriority = 2; + +class GlobalSchedulerContext final { + friend class KScheduler; + +public: + explicit GlobalSchedulerContext(KernelCore& kernel); + ~GlobalSchedulerContext(); + + /// Adds a new thread to the scheduler + void AddThread(std::shared_ptr thread); + + /// Removes a thread from the scheduler + void RemoveThread(std::shared_ptr thread); + + /// Returns a list of all threads managed by the scheduler + const std::vector>& GetThreadList() const { + return thread_list; + } + + /** + * Rotates the scheduling queues of threads at a preemption priority and then does + * some core rebalancing. Preemption priorities can be found in the array + * 'preemption_priorities'. + * + * @note This operation happens every 10ms. + */ + void PreemptThreads(); + + /// Returns true if the global scheduler lock is acquired + bool IsLocked() const; + +private: + friend class SchedulerLock; + + /// Lock the scheduler to the current thread. + void Lock(); + + /// Unlocks the scheduler, reselects threads, interrupts cores for rescheduling + /// and reschedules current core if needed. + void Unlock(); + + using LockType = KAbstractSchedulerLock; + + KernelCore& kernel; + + std::atomic_bool scheduler_update_needed{}; + KSchedulerPriorityQueue priority_queue; + LockType scheduler_lock; + + /// Lists all thread ids that aren't deleted/etc. + std::vector> thread_list; + Common::SpinLock global_list_guard{}; +}; + +} // namespace Kernel diff --git a/src/core/hle/kernel/k_scheduler.cpp b/src/core/hle/kernel/k_scheduler.cpp index 7f7da610d2..c7e2eabd43 100644 --- a/src/core/hle/kernel/k_scheduler.cpp +++ b/src/core/hle/kernel/k_scheduler.cpp @@ -5,12 +5,6 @@ // This file references various implementation details from Atmosphere, an open-source firmware for // the Nintendo Switch. Copyright 2018-2020 Atmosphere-NX. -#include -#include -#include -#include -#include - #include "common/assert.h" #include "common/bit_util.h" #include "common/fiber.h" @@ -19,10 +13,10 @@ #include "core/core.h" #include "core/core_timing.h" #include "core/cpu_manager.h" +#include "core/hle/kernel/k_scheduler.h" #include "core/hle/kernel/kernel.h" #include "core/hle/kernel/physical_core.h" #include "core/hle/kernel/process.h" -#include "core/hle/kernel/k_scheduler.h" #include "core/hle/kernel/thread.h" #include "core/hle/kernel/time_manager.h" @@ -34,11 +28,6 @@ static void IncrementScheduledCount(Kernel::Thread* thread) { } } -GlobalSchedulerContext::GlobalSchedulerContext(KernelCore& kernel) - : kernel{kernel}, scheduler_lock{kernel} {} - -GlobalSchedulerContext::~GlobalSchedulerContext() = default; - /*static*/ void KScheduler::RescheduleCores(KernelCore& kernel, u64 cores_pending_reschedule, Core::EmuThreadHandle global_thread) { u32 current_core = global_thread.host_handle; @@ -205,33 +194,6 @@ u64 KScheduler::UpdateHighestPriorityThread(Thread* highest_thread) { return cores_needing_scheduling; } -void GlobalSchedulerContext::AddThread(std::shared_ptr thread) { - std::scoped_lock lock{global_list_guard}; - thread_list.push_back(std::move(thread)); -} - -void GlobalSchedulerContext::RemoveThread(std::shared_ptr thread) { - std::scoped_lock lock{global_list_guard}; - thread_list.erase(std::remove(thread_list.begin(), thread_list.end(), thread), - thread_list.end()); -} - -void GlobalSchedulerContext::PreemptThreads() { - // The priority levels at which the global scheduler preempts threads every 10 ms. They are - // ordered from Core 0 to Core 3. - std::array preemption_priorities = {59, 59, 59, 63}; - - ASSERT(IsLocked()); - for (u32 core_id = 0; core_id < Core::Hardware::NUM_CPU_CORES; core_id++) { - const u32 priority = preemption_priorities[core_id]; - kernel.Scheduler(core_id).RotateScheduledQueue(core_id, priority); - } -} - -bool GlobalSchedulerContext::IsLocked() const { - return scheduler_lock.IsLockedByCurrentThread(); -} - /*static*/ void KScheduler::OnThreadStateChanged(KernelCore& kernel, Thread* thread, u32 old_state) { ASSERT(kernel.GlobalSchedulerContext().IsLocked()); @@ -635,14 +597,6 @@ void KScheduler::YieldToAnyThread() { } } -void GlobalSchedulerContext::Lock() { - scheduler_lock.Lock(); -} - -void GlobalSchedulerContext::Unlock() { - scheduler_lock.Unlock(); -} - KScheduler::KScheduler(Core::System& system, std::size_t core_id) : system(system), core_id(core_id) { switch_fiber = std::make_shared(std::function(OnSwitch), this); diff --git a/src/core/hle/kernel/k_scheduler.h b/src/core/hle/kernel/k_scheduler.h index 535ee34b98..7f020d96e2 100644 --- a/src/core/hle/kernel/k_scheduler.h +++ b/src/core/hle/kernel/k_scheduler.h @@ -8,94 +8,27 @@ #pragma once #include -#include -#include -#include #include "common/common_types.h" -#include "common/multi_level_queue.h" -#include "common/scope_exit.h" #include "common/spin_lock.h" -#include "core/core_timing.h" -#include "core/hardware_properties.h" +#include "core/hle/kernel/global_scheduler_context.h" #include "core/hle/kernel/k_priority_queue.h" #include "core/hle/kernel/k_scheduler_lock.h" -#include "core/hle/kernel/thread.h" namespace Common { class Fiber; } namespace Core { -class ARM_Interface; class System; -} // namespace Core +} namespace Kernel { class KernelCore; class Process; class SchedulerLock; - -using KSchedulerPriorityQueue = - KPriorityQueue; -static constexpr s32 HighestCoreMigrationAllowedPriority = 2; - -class GlobalSchedulerContext final { - friend class KScheduler; - -public: - explicit GlobalSchedulerContext(KernelCore& kernel); - ~GlobalSchedulerContext(); - - /// Adds a new thread to the scheduler - void AddThread(std::shared_ptr thread); - - /// Removes a thread from the scheduler - void RemoveThread(std::shared_ptr thread); - - /// Returns a list of all threads managed by the scheduler - const std::vector>& GetThreadList() const { - return thread_list; - } - - /** - * Rotates the scheduling queues of threads at a preemption priority and then does - * some core rebalancing. Preemption priorities can be found in the array - * 'preemption_priorities'. - * - * @note This operation happens every 10ms. - */ - void PreemptThreads(); - - u32 CpuCoresCount() const { - return Core::Hardware::NUM_CPU_CORES; - } - - bool IsLocked() const; - -private: - friend class SchedulerLock; - - /// Lock the scheduler to the current thread. - void Lock(); - - /// Unlocks the scheduler, reselects threads, interrupts cores for rescheduling - /// and reschedules current core if needed. - void Unlock(); - - using LockType = KAbstractSchedulerLock; - - KernelCore& kernel; - - std::atomic_bool scheduler_update_needed{}; - KSchedulerPriorityQueue priority_queue; - LockType scheduler_lock; - - /// Lists all thread ids that aren't deleted/etc. - std::vector> thread_list; - Common::SpinLock global_list_guard{}; -}; +class Thread; class KScheduler final { public: @@ -221,7 +154,6 @@ private: /// Switches the CPU's active thread context to that of the specified thread void ScheduleImpl(); - void SwitchThread(Thread* next_thread); /// When a thread wakes up, it must run this through it's new scheduler void SwitchContextStep2(); diff --git a/src/tests/CMakeLists.txt b/src/tests/CMakeLists.txt index 47ef30aa91..d80b0b688f 100644 --- a/src/tests/CMakeLists.txt +++ b/src/tests/CMakeLists.txt @@ -2,7 +2,6 @@ add_executable(tests common/bit_field.cpp common/bit_utils.cpp common/fibers.cpp - common/multi_level_queue.cpp common/param_package.cpp common/ring_buffer.cpp core/arm/arm_test_common.cpp diff --git a/src/tests/common/multi_level_queue.cpp b/src/tests/common/multi_level_queue.cpp deleted file mode 100644 index cca7ec7dae..0000000000 --- a/src/tests/common/multi_level_queue.cpp +++ /dev/null @@ -1,55 +0,0 @@ -// Copyright 2019 Yuzu Emulator Project -// Licensed under GPLv2 or any later version -// Refer to the license.txt file included. - -#include -#include -#include "common/common_types.h" -#include "common/multi_level_queue.h" - -namespace Common { - -TEST_CASE("MultiLevelQueue", "[common]") { - std::array values = {0.0, 5.0, 1.0, 9.0, 8.0, 2.0, 6.0, 7.0}; - Common::MultiLevelQueue mlq; - REQUIRE(mlq.empty()); - mlq.add(values[2], 2); - mlq.add(values[7], 7); - mlq.add(values[3], 3); - mlq.add(values[4], 4); - mlq.add(values[0], 0); - mlq.add(values[5], 5); - mlq.add(values[6], 6); - mlq.add(values[1], 1); - u32 index = 0; - bool all_set = true; - for (auto& f : mlq) { - all_set &= (f == values[index]); - index++; - } - REQUIRE(all_set); - REQUIRE(!mlq.empty()); - f32 v = 8.0; - mlq.add(v, 2); - v = -7.0; - mlq.add(v, 2, false); - REQUIRE(mlq.front(2) == -7.0); - mlq.yield(2); - REQUIRE(mlq.front(2) == values[2]); - REQUIRE(mlq.back(2) == -7.0); - REQUIRE(mlq.empty(8)); - v = 10.0; - mlq.add(v, 8); - mlq.adjust(v, 8, 9); - REQUIRE(mlq.front(9) == v); - REQUIRE(mlq.empty(8)); - REQUIRE(!mlq.empty(9)); - mlq.adjust(values[0], 0, 9); - REQUIRE(mlq.highest_priority_set() == 1); - REQUIRE(mlq.lowest_priority_set() == 9); - mlq.remove(values[1], 1); - REQUIRE(mlq.highest_priority_set() == 2); - REQUIRE(mlq.empty(1)); -} - -} // namespace Common