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- Wait-for_graph abstract "A wait-for graph in computer science is a directed graph used for deadlock detection in operating systems and relational database systems. In computer science, a system that allows concurrent operation of multiple processes and locking of resources and which does not provide mechanisms to avoid or prevent deadlock must support a mechanism to detect deadlocks and an algorithm for recovering from them.One such deadlock detection algorithm makes use of a wait-for graph to track which other processes a process is currently blocking on. In a wait-for graph, processes are represented as nodes, and an edge from process to implies is holding a resource that needs and thus is waiting for to release its lock on that resource. If the process is waiting for more than a single resource to become available (the trivial case), multiple edges may represent a conjunctive (and) or disjunctive (or) set of different resources or a certain number of equivalent resources from a collection. In the conjunctive case, graph cycles imply the possibility of a deadlock, whereas in the disjunctive case knots are indicative of deadlock possibility. There is no simple algorithm for detecting the possibility of deadlock in the final case. (Srinavasan, Rajaram 2011)The wait for graph scheme is applicable to a resource allocation system with multiple instances of each resource type.".
- Wait-for_graph thumbnail Wait-for_graph_example.png?width=300.
- Wait-for_graph wikiPageID "15433676".
- Wait-for_graph wikiPageRevisionID "559956470".
- Wait-for_graph hasPhotoCollection Wait-for_graph.
- Wait-for_graph subject Category:Application-specific_graphs.
- Wait-for_graph subject Category:Concurrency_control.
- Wait-for_graph subject Category:Directed_graphs.
- Wait-for_graph type Abstraction100002137.
- Wait-for_graph type Application-specificGraphs.
- Wait-for_graph type Communication100033020.
- Wait-for_graph type DirectedGraphs.
- Wait-for_graph type Graph107000195.
- Wait-for_graph type VisualCommunication106873252.
- Wait-for_graph comment "A wait-for graph in computer science is a directed graph used for deadlock detection in operating systems and relational database systems.".
- Wait-for_graph label "Grafo delle attese".
- Wait-for_graph label "Wait-for graph".
- Wait-for_graph label "Граф ожидания".
- Wait-for_graph sameAs Grafo_delle_attese.
- Wait-for_graph sameAs m.03m8w_g.
- Wait-for_graph sameAs Q4148051.
- Wait-for_graph sameAs Q4148051.
- Wait-for_graph sameAs Wait-for_graph.
- Wait-for_graph wasDerivedFrom Wait-for_graph?oldid=559956470.
- Wait-for_graph depiction Wait-for_graph_example.png.
- Wait-for_graph isPrimaryTopicOf Wait-for_graph.
