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Message Queues

Message Queues. Linked list of msgs stored within K Create Q / q open msgget() Msg added at end of Q msgsnd(). Message Queues. struct msqid_ds { struct ipc_perm msg_perm; msgqnum_t msg_qnum; /* # of messages on queue */

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Synchronization

Synchronization. September 15, 2006. These people do not actually work at RightNow. Outline. Historical solutions Synchronization Primitives Brief word on concurrency Semaphores in depth semid_ds sem Working with semaphores References. Peterson's Algorithm. //Thread A: lockA = true;

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Semid ds - PowerPoint PPT Presentation

Message Queues

Synchronization