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%SECTION0{UnixIPCAdvanced}% Unix Inter Process Communication - Advanced Techniques

*POSIX IPC*
   * shared memory
      * shm_open(3), shm_unlink(3), mmap(2)
         * tmpfs needs to be mounted at /dev/shm (for glibc-2.2 and above)
   * semaphores
      * named
         * sem_open(3), sem_wait(3), sem_close(3), ...
         * persistent, must be destroyed
      * unnamed
         * sem_init(3)
         * resides in memory
   * message queues
      * mq_overview(7)

*Sockets:*
   * full duplex
   * Internet domain sockets
   * Unix domain sockets
      * for machines on the same machine
      * faster that =PF_INET=, no headers, protocls, checksums, sequence number, ACK's

4.7.4. Unix Inter Process Communication - Simple Techniques		1. Denx Training Topics		4.7.6. IPC techniques to avoid
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Revision r1.1 - 01 Nov 2008 - 14:05 - MarkusKlotzbuecher
Diffs | r1.1

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