This chapter describes the system call concept in the linux kernel.
- Introduction to system call concept - this part is introduction to the
system callconcept in the Linux kernel. - How the Linux kernel handles a system call - this part describes how the Linux kernel handles a system call from an userspace application.
- vsyscall and vDSO - third part describes
vsyscallandvDSOconcepts. - How the Linux kernel runs a program - this part describes startup process of a program.
- Implementation of the open system call - this part describes implementation of the open system call.