1 files changed, 78 insertions, 0 deletions
diff --git a/mymalloc/mymalloc_svc.cc b/mymalloc/mymalloc_svc.cc
new file mode 100644
index 0000000..3324fb7
--- /dev/null
+++ b/mymalloc/mymalloc_svc.cc
@@ -0,0 +1,78 @@
+/*
+* This file is part of rasdaman community.
+*
+* Rasdaman community is free software: you can redistribute it and/or modify
+* it under the terms of the GNU General Public License as published by
+* the Free Software Foundation, either version 3 of the License, or
+* (at your option) any later version.
+*
+* Rasdaman community is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+* GNU General Public License for more details.
+*
+* You should have received a copy of the GNU General Public License
+* along with rasdaman community.  If not, see <http://www.gnu.org/licenses/>.
+*
+* Copyright 2003, 2004, 2005, 2006, 2007, 2008, 2009 Peter Baumann /
+rasdaman GmbH.
+*
+* For more information please see <http://www.rasdaman.org>
+* or contact Peter Baumann via <baumann@rasdaman.com>.
+*/
+
+//
+//	wrapper for malloc on server side - throw bad_alloc if malloc fails
+//
+#include "mymalloc/mymalloc.h"
+#include "reladminif/objectbroker.hh"
+#include "raslib/rmdebug.hh"
+#include <stdlib.h>
+#include <new>
+
+using namespace std;
+
+// try to allocate requested memory;
+// if impossible, try to free some, then retry allocation (by recursion)
+// if nothing can be freed & allocated, give up & throw exception
+
+void* mymalloc(size_t size) // throw(bad_alloc)	// FIXME: gcc3 doesn't like it, & can't do that unless other places are adapted too
+{
+	void* p = malloc(size);
+
+#ifdef OLD_VERSION
+// replaced this weird coding by the following below which should be semantically equivalent -- PB 2005-feb-01
+	// ...except for more detailed error messages
+	// FIXME: And SITF resolve this totally screwed up recursion to a while loop.
+	if(!p) 
+		if(!ObjectBroker::freeMemory() || !(p = mymalloc(size))) {
+			RMInit::logOut << "mymalloc: memory allocation failed." << endl;
+			throw bad_alloc();				
+		}
+#else	// improved structure, same logic:
+	if (p == (void*) NULL) 
+	{
+		bool freePossible = ObjectBroker::freeMemory();
+		if (freePossible)
+		{
+			p = mymalloc(size);
+			if (p == (void*) NULL)
+			{
+				RMInit::logOut << "Error: mymalloc(): memory allocation failed." << endl;
+				throw bad_alloc();				
+			}
+			else
+			{
+				// all went fine, nothing to do, return p
+			}
+		}
+		else	// mem full, according to ObjectBroker, so throw alloc exception
+		{
+			RMInit::logOut << "Error: mymalloc(): ObjectBroker::freeMemory() failed." << endl;
+			throw bad_alloc();				
+		}
+	}
+#endif OLD_VERSION
+
+	return p;
+}