JANA/Services/JGlobalRootLock.h

0001
0002 // Copyright 2020, Jefferson Science Associates, LLC.
0003 // Subject to the terms in the LICENSE file found in the top-level directory.
0004
0005
0006 #ifndef BDXRECO_JGLOBALROOTLOCK_H
0007 #define BDXRECO_JGLOBALROOTLOCK_H
0008
0009 #include "JServiceLocator.h"
0010
0011
0012 class JGlobalRootLock : public JService {
0013
0014 public:
0015
0016     JGlobalRootLock() {
0017         m_root_rw_lock = new pthread_rwlock_t;
0018         pthread_rwlock_init(m_root_rw_lock, nullptr);
0019     }
0020
0021     ~JGlobalRootLock() {
0022         delete m_root_rw_lock;
0023         m_root_rw_lock = nullptr;
0024     }
0025
0026     inline void acquire_read_lock() { pthread_rwlock_rdlock(m_root_rw_lock); }
0027
0028     inline void acquire_write_lock() { pthread_rwlock_wrlock(m_root_rw_lock); }
0029
0030     inline void release_lock() { pthread_rwlock_unlock(m_root_rw_lock); }
0031
0032 private:
0033
0034     pthread_rwlock_t* m_root_rw_lock;
0035
0036 };
0037
0038 #endif //BDXRECO_JGLOBALROOTLOCK_H
0039
0040
0041