NAME sigaction, rt_sigaction - examine and change a signal action LIBRARY Standard C library ( libc ... purpose. Consequently, a new system call, rt_sigaction (), was added to supp…NAME sigaction, rt_sigaction - examine and change a signal action LIBRARY Standard C library ( libc ... purpose. Consequently, a new system call, rt_sigaction (), was added to supp…Linux 2.2 and later sigaction (2) rt_sigaction (2) sigpending (2) rt_sigpending (2) sigprocmaskrmdir (2) 1.0 rseq (2) 4.18 rt_sigaction (2) 2.2 rt_sigpending (2) 2.2 rt