diff options
Diffstat (limited to 'sql/wsrep_condition_variable.h')
-rw-r--r-- | sql/wsrep_condition_variable.h | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/sql/wsrep_condition_variable.h b/sql/wsrep_condition_variable.h new file mode 100644 index 00000000..6ad53a30 --- /dev/null +++ b/sql/wsrep_condition_variable.h @@ -0,0 +1,54 @@ +/* Copyright 2018 Codership Oy <info@codership.com> + + 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 St, Fifth Floor, Boston, MA 02110-1301 USA */ + +#ifndef WSREP_CONDITION_VARIABLE_H +#define WSREP_CONDITION_VARIABLE_H + +/* wsrep-lib */ +#include "wsrep/condition_variable.hpp" + +/* implementation */ +#include "my_pthread.h" + +class Wsrep_condition_variable : public wsrep::condition_variable +{ +public: + + Wsrep_condition_variable(mysql_cond_t& cond) + : m_cond(cond) + { } + ~Wsrep_condition_variable() + { } + + void notify_one() + { + mysql_cond_signal(&m_cond); + } + + void notify_all() + { + mysql_cond_broadcast(&m_cond); + } + + void wait(wsrep::unique_lock<wsrep::mutex>& lock) + { + mysql_mutex_t* mutex= static_cast<mysql_mutex_t*>(lock.mutex()->native()); + mysql_cond_wait(&m_cond, mutex); + } +private: + mysql_cond_t& m_cond; +}; + +#endif /* WSREP_CONDITION_VARIABLE_H */ |