elock.h: add possibility to create recursive mutexes

diff --git a/lib/base/elock.h b/lib/base/elock.h
index 51582e67fe5a3d6e97ba97c82856c4bcd3127019..01757182a06a7dc4166421a91a6a5990e3844004 100644 (file)
--- a/lib/base/elock.h
+++ b/lib/base/elock.h
@@ -83,9 +83,18 @@ class eSingleLock
        pthread_mutex_t m_lock;
        eSingleLock(eSingleLock &);
 public:
-       eSingleLock()
+       eSingleLock(bool recursive=false)
        {
-               pthread_mutex_init(&m_lock, 0);
+               if (recursive)
+               {
+                       pthread_mutexattr_t attr;
+                       pthread_mutexattr_init(&attr);
+                       pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
+                       pthread_mutex_init(&m_lock, &attr);
+                       pthread_mutexattr_destroy(&attr);
+               }
+               else
+                       pthread_mutex_init(&m_lock, 0);
        }
        ~eSingleLock()
        {