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-rw-r--r--src/common/detached_tasks.cpp41
1 files changed, 41 insertions, 0 deletions
diff --git a/src/common/detached_tasks.cpp b/src/common/detached_tasks.cpp
new file mode 100644
index 000000000..a347d9e02
--- /dev/null
+++ b/src/common/detached_tasks.cpp
@@ -0,0 +1,41 @@
+// Copyright 2018 Citra Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include <thread>
+#include "common/assert.h"
+#include "common/detached_tasks.h"
+
+namespace Common {
+
+DetachedTasks* DetachedTasks::instance = nullptr;
+
+DetachedTasks::DetachedTasks() {
+ ASSERT(instance == nullptr);
+ instance = this;
+}
+
+void DetachedTasks::WaitForAllTasks() {
+ std::unique_lock<std::mutex> lock(mutex);
+ cv.wait(lock, [this]() { return count == 0; });
+}
+
+DetachedTasks::~DetachedTasks() {
+ std::unique_lock<std::mutex> lock(mutex);
+ ASSERT(count == 0);
+ instance = nullptr;
+}
+
+void DetachedTasks::AddTask(std::function<void()> task) {
+ std::unique_lock<std::mutex> lock(instance->mutex);
+ ++instance->count;
+ std::thread([task{std::move(task)}]() {
+ task();
+ std::unique_lock<std::mutex> lock(instance->mutex);
+ --instance->count;
+ std::notify_all_at_thread_exit(instance->cv, std::move(lock));
+ })
+ .detach();
+}
+
+} // namespace Common