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Describe how signal and signal management calls are used in creating a process and terminating it...

Describe how signal and signal management calls are used in creating a process and terminating it after a certain interval. Give a simple example to illustrate this routine.

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Answer #1

Answer : Given data

* Describe how signal and signal management

  • Signal allows process which is associated with the operating system, indicate to one another when some event of interest requires attention.
  • Each process have algorithm and it is associated with each signal. each process contains entries.
  • Each entry contains function which is needed to be done for each signal
  • Signal and handling of the signal is asynchronous process.
  • Every signal has a name which include SIG, SIGABRT and SIGALRM.
  • SIGABRT -- it is generated by calling the abort function.
  • and the process terminates abnormly.
  • SIGALRM -- It is generated when timer set by the process off and when the interval time goes off.
  • The asynchronous event can be -- Disk activity completion and process termination.
  • The signal allows processes to synchronize or coordinate with the activities.
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