some more work on plugin manager

[enigma2.git] / lib / base / elock.h

diff --git a/lib/base/elock.h b/lib/base/elock.h
index 7bf25eba3e71482801d1b279608ee69157a3f83c..51582e67fe5a3d6e97ba97c82856c4bcd3127019 100644 (file)
--- a/lib/base/elock.h
+++ b/lib/base/elock.h
@@ -18,6 +18,65 @@ public:
        }
 };
 
+class eRdWrLock
+{
+       friend class eRdLocker;
+       friend class eWrLocker;
+       pthread_rwlock_t m_lock;
+       eRdWrLock(eRdWrLock &);
+public:
+       eRdWrLock()
+       {
+               pthread_rwlock_init(&m_lock, 0);
+       }
+       ~eRdWrLock()
+       {
+               pthread_rwlock_destroy(&m_lock);
+       }
+       void RdLock()
+       {
+               pthread_rwlock_rdlock(&m_lock);
+       }
+       void WrLock()
+       {
+               pthread_rwlock_wrlock(&m_lock);
+       }
+       void Unlock()
+       {
+               pthread_rwlock_unlock(&m_lock);
+       }
+};
+
+class eRdLocker
+{
+       eRdWrLock &m_lock;
+public:
+       eRdLocker(eRdWrLock &m)
+               : m_lock(m)
+       {
+               pthread_rwlock_rdlock(&m_lock.m_lock);
+       }
+       ~eRdLocker()
+       {
+               pthread_rwlock_unlock(&m_lock.m_lock);
+       }
+};
+
+class eWrLocker
+{
+       eRdWrLock &m_lock;
+public:
+       eWrLocker(eRdWrLock &m)
+               : m_lock(m)
+       {
+               pthread_rwlock_wrlock(&m_lock.m_lock);
+       }
+       ~eWrLocker()
+       {
+               pthread_rwlock_unlock(&m_lock.m_lock);
+       }
+};
+
 class eSingleLock
 {
        friend class eSingleLocker;