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%SECTION0{UnixIPCSimple}% Unix Inter Process Communication - Simple Techniques

   * shell redirection
   * shellouts: ($EDITOR, $PAGER)

   * pipes (named and unamed)
      * implicit synchronisation
      * unidirectional

   * tempfiles
      * open -> unlink -> fork

   * Signals
      * sent to a process
      * SIGUSR1 and SIGUSR2 can be used for applications
      * conventions for daemons:
         * =SIGHUP=: reinitalize
         * =SIGTERM=: gracefull shutdown
         * =SIGKILL=: unblockable, will kill process
         * =SIGINT=: ctrl-c

4.7.3. Advanced Unix Interface Design Patterns		1. Denx Training Topics		4.7.5. Unix Inter Process Communication - Advanced Techniques
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Revision r1.1 - 01 Nov 2008 - 13:59 - MarkusKlotzbuecher
Diffs | r1.1

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