Userland: Rename LibThread => LibThreading

Also rename the "LibThread" namespace to "Threading"

1 files changed, 57 insertions, 0 deletions

diff --git a/Userland/Libraries/LibThreading/Thread.h b/Userland/Libraries/LibThreading/Thread.h
new file mode 100644
index 0000000000..d04fba6a54
--- /dev/null
+++ b/Userland/Libraries/LibThreading/Thread.h
@@ -0,0 +1,57 @@
+/*
+ * Copyright (c) 2019-2020, Sergey Bugaev <bugaevc@serenityos.org>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#pragma once
+
+#include <AK/DistinctNumeric.h>
+#include <AK/Function.h>
+#include <AK/Result.h>
+#include <AK/String.h>
+#include <LibCore/Object.h>
+#include <pthread.h>
+
+namespace Threading {
+
+TYPEDEF_DISTINCT_ORDERED_ID(intptr_t, ThreadError);
+
+class Thread final : public Core::Object {
+    C_OBJECT(Thread);
+
+public:
+    virtual ~Thread();
+
+    void start();
+
+    template<typename T = void>
+    Result<T, ThreadError> join();
+
+    String thread_name() const { return m_thread_name; }
+    pthread_t tid() const { return m_tid; }
+
+private:
+    explicit Thread(Function<intptr_t()> action, StringView thread_name = nullptr);
+    Function<intptr_t()> m_action;
+    pthread_t m_tid { 0 };
+    String m_thread_name;
+};
+
+template<typename T>
+Result<T, ThreadError> Thread::join()
+{
+    void* thread_return = nullptr;
+    int rc = pthread_join(m_tid, &thread_return);
+    if (rc != 0) {
+        return ThreadError { rc };
+    }
+
+    m_tid = 0;
+    if constexpr (IsVoid<T>)
+        return {};
+    else
+        return { static_cast<T>(thread_return) };
+}
+
+}