October 2017
Intermediate to advanced
354 pages
9h 28m
English
Content preview from Mastering Linux Kernel Development
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Process descriptors
Right from the time a process is born until it exits, it’s the kernel's process management subsystem that carries out various operations, ranging from process creation, allocating CPU time, and event notifications to destruction of the process upon termination.
Apart from the address space, a process in memory is also assigned a data structure called the process descriptor, which the kernel uses to identify, manage, and schedule the process. The following figure depicts process address spaces with their respective process descriptors in the kernel:
In Linux, a process descriptor is an instance of type struct task_struct ...
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