Changeset 2759 in Sophya for trunk/SophyaLib/SysTools/zthread.h

Timestamp:

May 24, 2005, 6:29:28 PM (20 years ago)

Author:

ansari

Message:

Amelioration de l'interface ZSync() + ajout commentaires - Reza 24/05/2005

File:

• trunk/SophyaLib/SysTools/zthread.h (modified) (4 diffs)

trunk/SophyaLib/SysTools/zthread.h

@@ -77 +77 @@
   inline void   wait()
     { pthread_cond_wait(_condv, _mutx); }
-  //! Signal a condition change on the mutex object
+  //! Signal a condition change on the mutex object. 
   inline void   signal()
   { pthread_cond_signal(_condv); }
@@ -95 +95 @@
   Constructor. Locks the associated ZMutex. 
   
+  - <tt> sigbr==0 </tt> No calls to signal() or broadcast() 
+  in destructor 
   - <tt> sigbr==1 </tt> destructor calls \c signal on 
   the associated ZMutex 
@@ -101 +103 @@
 */
   explicit inline  ZSync(ZMutex & mtx, int sigbr=0) 
-  {_mtx = &mtx; _sigbr = sigbr; mtx.lock(); }
+  {_mtx = &mtx; _sigbr = sigbr; _mtx->lock(); }
+
+/*!
+  Constructor from ZMutex pointer. 
+  Locks the associated ZMutex object if non null pointer 
+*/ 
+  explicit inline  ZSync(ZMutex * mtxp, int sigbr=0) 
+  {_mtx = mtxp; _sigbr = sigbr; if (_mtx) _mtx->lock(); }
   inline           ~ZSync() 
   { 
@@ -110 +119 @@
     }
   }
+//! Calls the wait method on the associated ZMutex object
+  inline void wait() { if (_mtx) _mtx->wait(); }
 //! To avoid warnings about unused variables 
   inline int NOp() { return _sigbr; }