overview of time and timers NAME time - overview of time and timers DESCRIPTION Real time and process time Real time is defined as time measured from some fixed point, either from …overview of the virtual ELF dynamic shared object NAME vdso - overview of the virtual ELF dynamic shared object SYNOPSIS #include <sys/auxv.h> void *vdso = (uintptr_t) getauxval(AT…overview of Linux time namespaces NAME time_namespaces - overview of Linux time namespaces DESCRIPTION Time namespaces virtualize the values of two system clocks: • CLOCK_MONOTONIC…optional parts of the POSIX standard NAME posixoptions - optional parts of the POSIX standard DESCRIPTION The POSIX standard (the information below is from POSIX.1-2001) describes …async-signal-safe functions NAME signal-safety - async-signal-safe functions DESCRIPTION An async-signal-safe function is one that can be safely called from within a signal handler…list of eBPF helper functions NAME BPF-HELPERS - list of eBPF helper functions DESCRIPTION The extended Berkeley Packet Filter (eBPF) subsystem consists in programs written in a ps…