...system call. There are two underlying Linux system calls: signalfd () and the more recent signalfd4 (). The former system call does not implement a flags argument. The latter sy…...system call. There are two underlying Linux system calls: signalfd () and the more recent signalfd4 (). The former system call does not implement a flags argument. The latter sy…...n socketcall (2) sigaction (2) 1.0 sigaltstack (2) 2.2 signal (2) 1.0 signalfd (2) 2.6.22 signalfd4 (2) 2.6.27 sigpending (2) 1.0 sigprocmask (2) 1.0 sigreturn (2) 1.0 sigsuspen…