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authorMichele Calgaro <michele.calgaro@yahoo.it>2020-12-06 19:28:06 +0900
committerMichele Calgaro <michele.calgaro@yahoo.it>2020-12-06 19:28:49 +0900
commit247750abcbf6760bbc52aa5d64fc375d6fbee8a3 (patch)
tree86e029a960ddd599edbeee8dddf70e87ee314e23 /mcop/referenceclean.cpp
parent595ad58e25c5d0f0c512194f66708f99e5bc1527 (diff)
downloadarts-247750abcbf6760bbc52aa5d64fc375d6fbee8a3.tar.gz
arts-247750abcbf6760bbc52aa5d64fc375d6fbee8a3.zip
Renaming of files in preparation for code style tools.
Signed-off-by: Michele Calgaro <michele.calgaro@yahoo.it> (cherry picked from commit 00d4f92b717fbcbed6f9eee361975d6ee5380d59)
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-rw-r--r--mcop/referenceclean.cpp87
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diff --git a/mcop/referenceclean.cpp b/mcop/referenceclean.cpp
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+ /*
+
+ Copyright (C) 2000 Stefan Westerfeld
+ stefan@space.twc.de
+
+ This library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public
+ License as published by the Free Software Foundation; either
+ version 2 of the License, or (at your option) any later version.
+
+ This library 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
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public License
+ along with this library; see the file COPYING.LIB. If not, write to
+ the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ Boston, MA 02110-1301, USA.
+
+ */
+
+#include "referenceclean.h"
+#include "time.h"
+
+using namespace std;
+using namespace Arts;
+
+ReferenceClean::ReferenceClean(Pool<Object_skel>& objectPool)
+ :objectPool(objectPool)
+{
+ Dispatcher::the()->ioManager()->addTimer(5000, this);
+}
+
+void ReferenceClean::notifyTime()
+{
+ /*
+ * This last_notify and now check is because IOManager accumulates
+ * notifyTime() calls, so it may happen that we don't get one for ten
+ * seconds, and then two. However, this breaks the "second-chance"
+ * algorithm referenceClean is using, which depends on the fact that
+ * there is some significant time delay between two calls. So we'll
+ * verify it by hand.
+ */
+
+ static time_t last_notify = 0;
+ time_t now;
+
+ time(&now);
+ if(now-last_notify > 4)
+ {
+ clean();
+ last_notify = now;
+ }
+}
+
+void ReferenceClean::forceClean()
+{
+ /*
+ * as we're giving a second chance on reference clean, we need to
+ * clean twice to really really clean up
+ */
+ clean();
+ clean();
+}
+
+void ReferenceClean::clean()
+{
+ /*
+ * we manually iterate through the pool here, to get around the problem
+ * that if an object disappears, ten other objects might cease to exist
+ * as well (as they are dependant), which would break a list which we
+ * could obtain via enumerate() and would probably lead to a crash
+ */
+ unsigned long l;
+
+ for(l=0; l<objectPool.max(); l++)
+ {
+ Object_skel *skel = objectPool[l];
+ if(skel) skel->_referenceClean();
+ }
+}
+
+ReferenceClean::~ReferenceClean()
+{
+ Dispatcher::the()->ioManager()->removeTimer(this);
+}