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Operating Systems: Concurrent and Distributed Software Design
book

Operating Systems: Concurrent and Distributed Software Design

by Jean Bacon, Tim Harris
March 2003
Intermediate to advanced content levelIntermediate to advanced
912 pages
27h 17m
English
Pearson Business
Content preview from Operating Systems: Concurrent and Distributed Software Design

24.7. IPC: Pipes and signals

The final aspect of the classical UNIX system that we will consider is the provision of inter-process communication (IPC). We have already seen one crude option: a process may write to a file in the file system which another process subsequently reads. This can be coordinated using the exit code returned by a child process to indicate when the file is ready for reading. However, that solution is far from satisfactory for several reasons: it requires a further communication mechanism to supply the processes involved with the filename to use, it assumes that the file is written in its entirety before being read and it also requires that data is written to disk (or at least to the buffer cache) even if both processes ...

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Publisher Resources

ISBN: 0321117891Purchase book