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-rw-r--r--src/core/hle/kernel/scheduler.cpp15
-rw-r--r--src/core/hle/kernel/scheduler.h3
2 files changed, 18 insertions, 0 deletions
diff --git a/src/core/hle/kernel/scheduler.cpp b/src/core/hle/kernel/scheduler.cpp
index ff6a0941a..9cb9e0e5c 100644
--- a/src/core/hle/kernel/scheduler.cpp
+++ b/src/core/hle/kernel/scheduler.cpp
@@ -9,6 +9,8 @@
namespace Kernel {
+std::mutex Scheduler::scheduler_mutex;
+
Scheduler::Scheduler(ARM_Interface* cpu_core) : cpu_core(cpu_core) {}
Scheduler::~Scheduler() {
@@ -18,6 +20,7 @@ Scheduler::~Scheduler() {
}
bool Scheduler::HaveReadyThreads() {
+ std::lock_guard<std::mutex> lock(scheduler_mutex);
return ready_queue.get_first() != nullptr;
}
@@ -90,6 +93,8 @@ void Scheduler::SwitchContext(Thread* new_thread) {
}
void Scheduler::Reschedule() {
+ std::lock_guard<std::mutex> lock(scheduler_mutex);
+
Thread* cur = GetCurrentThread();
Thread* next = PopNextReadyThread();
@@ -105,26 +110,36 @@ void Scheduler::Reschedule() {
}
void Scheduler::AddThread(SharedPtr<Thread> thread, u32 priority) {
+ std::lock_guard<std::mutex> lock(scheduler_mutex);
+
thread_list.push_back(thread);
ready_queue.prepare(priority);
}
void Scheduler::RemoveThread(Thread* thread) {
+ std::lock_guard<std::mutex> lock(scheduler_mutex);
+
thread_list.erase(std::remove(thread_list.begin(), thread_list.end(), thread),
thread_list.end());
}
void Scheduler::ScheduleThread(Thread* thread, u32 priority) {
+ std::lock_guard<std::mutex> lock(scheduler_mutex);
+
ASSERT(thread->status == THREADSTATUS_READY);
ready_queue.push_back(priority, thread);
}
void Scheduler::UnscheduleThread(Thread* thread, u32 priority) {
+ std::lock_guard<std::mutex> lock(scheduler_mutex);
+
ASSERT(thread->status == THREADSTATUS_READY);
ready_queue.remove(priority, thread);
}
void Scheduler::SetThreadPriority(Thread* thread, u32 priority) {
+ std::lock_guard<std::mutex> lock(scheduler_mutex);
+
// If thread was ready, adjust queues
if (thread->status == THREADSTATUS_READY)
ready_queue.move(thread, thread->current_priority, priority);
diff --git a/src/core/hle/kernel/scheduler.h b/src/core/hle/kernel/scheduler.h
index 27d0247d6..a3b5fb8ca 100644
--- a/src/core/hle/kernel/scheduler.h
+++ b/src/core/hle/kernel/scheduler.h
@@ -4,6 +4,7 @@
#pragma once
+#include <mutex>
#include <vector>
#include "common/common_types.h"
#include "common/thread_queue_list.h"
@@ -68,6 +69,8 @@ private:
SharedPtr<Thread> current_thread = nullptr;
ARM_Interface* cpu_core;
+
+ static std::mutex scheduler_mutex;
};
} // namespace Kernel