/* This is the sigaction struction from the Linux 2.1.20 kernel. */struct old_kernel_sigaction {
__sighandler_t k_sa_handler;unsigned long sa_mask;unsigned int sa_flags;};/* This is the sigaction structure from the Linux 2.1.68 kernel. */struct kernel_sigaction {
__sighandler_t k_sa_handler;unsigned int sa_flags;
sigset_t sa_mask;};