From d42dfdf4b903763997d47b6e2214c2ce33b9bf8e Mon Sep 17 00:00:00 2001
From: crupest <crupest@outlook.com>
Date: Wed, 9 Jun 2021 21:59:17 +0800
Subject: import(life): Add operating system experiement.

---
 works/life/operating-system-experiment/Thread.cpp | 67 +++++++++++++++++++++++
 1 file changed, 67 insertions(+)
 create mode 100644 works/life/operating-system-experiment/Thread.cpp

(limited to 'works/life/operating-system-experiment/Thread.cpp')

diff --git a/works/life/operating-system-experiment/Thread.cpp b/works/life/operating-system-experiment/Thread.cpp
new file mode 100644
index 0000000..b91ca69
--- /dev/null
+++ b/works/life/operating-system-experiment/Thread.cpp
@@ -0,0 +1,67 @@
+#include "Thread.h"
+
+#include <cassert>
+#include <exception>
+#include <utility>
+
+namespace cru {
+Thread::Thread(Thread &&other) noexcept
+    : joined_(other.joined_), thread_handle_(other.thread_handle_) {
+  other.joined_ = false;
+  other.thread_handle_ = nullptr;
+}
+
+Thread &Thread::operator=(Thread &&other) noexcept {
+  if (this != &other) {
+    joined_ = other.joined_;
+    thread_handle_ = other.thread_handle_;
+    other.joined_ = false;
+    other.thread_handle_ = nullptr;
+  }
+
+  return *this;
+}
+
+Thread::~Thread() { Destroy(); }
+
+void Thread::Join() {
+  assert(thread_handle_);
+  joined_ = true;
+  WaitForSingleObject(thread_handle_, INFINITE);
+}
+
+void Thread::Detach() {
+  assert(thread_handle_);
+  detached_ = true;
+}
+
+void Thread::swap(Thread &other) noexcept {
+#ifdef CRU_WINDOWS
+  Thread temp = std::move(*this);
+  *this = std::move(other);
+  other = std::move(temp);
+#else
+#endif
+}
+
+void Thread::Destroy() noexcept {
+  if (!detached_ && !joined_ && thread_handle_ != nullptr) {
+    std::terminate();
+  } else {
+    joined_ = false;
+    thread_handle_ = nullptr;
+  }
+}
+
+namespace details {
+#ifdef CRU_WINDOWS
+DWORD WINAPI ThreadProc(_In_ LPVOID lpParameter) {
+  auto p = static_cast<std::function<void()> *>(lpParameter);
+  (*p)();
+  delete p;
+  return 0;
+}
+#else
+#endif
+} // namespace details
+} // namespace cru
\ No newline at end of file
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