Practical System Programming with C: Pragmatic Example Applications in Linux and Unix-Based Operating Systems

© Sri Manikanta Palakollu 2021

S. M. PalakolluPractical System Programming with Chttps://doi.org/10.1007/978-1-4842-6321-1_5

5. Process and Signals

Sri Manikanta Palakollu¹ 

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freelance, Hanuman Junction, Hanuman Junction, 521105, Andhra Pradesh, India

 

Processes play a major role on an operating system. When you execute a computer program in your system, it is done with a process. Without processes, you aren’t able to do any activity on an OS. In this chapter, you look at processes and how to perform various tasks. You also see various types of processes that can occur during the execution of a program.

Signals are interrupts or traps (a trap is a fault) that raise an event when an exception occurs. It is very handy to be able to detect exceptions ...