NAME sigreturn, rt_sigreturn - return from signal handler and cleanup stack frame LIBRARY Standard ... Linux 2.2, a new system call, rt_sigreturn () was added to support an enlarge…NAME sigreturn, rt_sigreturn - return from signal handler and cleanup stack frame LIBRARY Standard ... Linux 2.2, a new system call, rt_sigreturn () was added to support an enlarge…rt_sigqueueinfo (2) 2.2 rt_sigreturn (2) 2.2 rt_sigsuspend (2) 2.2 rt_sigtimedwait