C++ standard facilities, including list template

src/libCom/cppStd/epicsListBase.cpp

@@ -0,0 +1,43 @@
+// epicsListBase.cpp
+//	Author:	Andrew Johnson
+//	Date:	October 2000
+
+#ifdef __GNUG__
+  #pragma implementation
+#endif
+
+#include "epicsListBase.h"
+#include "cantProceed.h"
+
+// epicsListNodePool
+epicsMutex epicsListNodePool::_mutex;
+epicsListLink epicsListNodePool::_store;
+
+epicsListNodePool::~epicsListNodePool() {
+    while (_blocks.hasNext()) {
+	epicsListNodeBlock* block = 
+		static_cast<epicsListNodeBlock*>(_blocks.extract());
+	block->reset();
+	_mutex.lock();
+	_store.append(block);
+	_mutex.unlock();
+    }
+}
+
+void epicsListNodePool::extend() {
+    assert(!_free.hasNext());
+    epicsListNodeBlock* block = 0;
+    if (_store.hasNext()) {
+	_mutex.lock();
+	if (_store.hasNext())
+	    block = static_cast<epicsListNodeBlock*>(_store.extract());
+	_mutex.unlock();
+    }
+    if (block == 0)
+	block = new epicsListNodeBlock;
+    if (block == 0) // in case new didn't throw...
+	cantProceed("epicsList: out of memory");
+    _blocks.append(block);
+    _free.set(block->first());
+}
+