4.7.4. 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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