Merge branch 'iss-27' into develop

Author: HerbertKoelman

include/pthread/pthread_exception.hpp

@@ -27,7 +27,7 @@ namespace pthread {
      * @param message error message
      * @param pthread_errno a pthread function return code.
      */
-    pthread_exception( const string message, const int pthread_errno = 0 ): _message(message), _pthread_errno(pthread_number){};
+    pthread_exception( const string message, const int pthread_errno = 0 ): _message(message), _pthread_errno(pthread_errno){};
 
     virtual ~pthread_exception(){};
 

include/pthread/thread.hpp

@@ -285,6 +285,8 @@ namespace pthread {
      */
     void join();
 
+    unsigned long size();
+    
     /** return if thread_group should wait for all referenced abstract_thread terminate
      */
     const bool destructor_joins_first(){ return _destructor_joins_first;};

src/thread.cpp

@@ -147,6 +147,10 @@ namespace pthread {
     }
   }
 
+  unsigned long thread_group::size(){
+    return _threads.size();
+  }
+  
   /**
    This function is a helper function. It has normal C linkage, and is
    the base for newly created Thread objects. It runs the