1 files changed, 83 insertions, 0 deletions
diff --git a/storage/rocksdb/rdb_threads.cc b/storage/rocksdb/rdb_threads.cc
new file mode 100644
index 00000000..06683d6e
--- /dev/null
+++ b/storage/rocksdb/rdb_threads.cc
@@ -0,0 +1,83 @@
+/*
+   Portions Copyright (c) 2015-Present, Facebook, Inc.
+   Portions Copyright (c) 2012, Monty Program Ab
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; version 2 of the License.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111-1301 USA */
+
+#ifdef USE_PRAGMA_IMPLEMENTATION
+#pragma implementation  // gcc: Class implementation
+#endif
+
+#include <my_global.h>
+
+/* The C++ file's header */
+#include "./rdb_threads.h"
+
+namespace myrocks {
+
+void *Rdb_thread::thread_func(void *const thread_ptr) {
+  DBUG_ASSERT(thread_ptr != nullptr);
+  Rdb_thread *const thread = static_cast<Rdb_thread *>(thread_ptr);
+  if (!thread->m_run_once.exchange(true)) {
+    thread->setname();
+    thread->run();
+    thread->uninit();
+  }
+  return nullptr;
+}
+
+void Rdb_thread::init(
+#ifdef HAVE_PSI_INTERFACE
+    my_core::PSI_mutex_key stop_bg_psi_mutex_key,
+    my_core::PSI_cond_key stop_bg_psi_cond_key
+#endif
+) {
+  DBUG_ASSERT(!m_run_once);
+  mysql_mutex_init(stop_bg_psi_mutex_key, &m_signal_mutex, MY_MUTEX_INIT_FAST);
+  mysql_cond_init(stop_bg_psi_cond_key, &m_signal_cond, nullptr);
+}
+
+void Rdb_thread::uninit() {
+  mysql_mutex_destroy(&m_signal_mutex);
+  mysql_cond_destroy(&m_signal_cond);
+}
+
+int Rdb_thread::create_thread(const std::string &thread_name
+#ifdef HAVE_PSI_INTERFACE
+                              ,
+                              PSI_thread_key background_psi_thread_key
+#endif
+) {
+  // Make a copy of the name so we can return without worrying that the
+  // caller will free the memory
+  m_name = thread_name;
+
+  return mysql_thread_create(background_psi_thread_key, &m_handle, nullptr,
+                             thread_func, this);
+
+}
+
+void Rdb_thread::signal(const bool stop_thread) {
+  RDB_MUTEX_LOCK_CHECK(m_signal_mutex);
+
+  if (stop_thread) {
+    m_stop = true;
+  }
+
+  mysql_cond_signal(&m_signal_cond);
+
+  RDB_MUTEX_UNLOCK_CHECK(m_signal_mutex);
+}
+
+}  // namespace myrocks