signalfd          323 fs/signalfd.c  SYSCALL_DEFINE3(signalfd, int, ufd, sigset_t __user *, user_mask,
signalfd          356 fs/signalfd.c  COMPAT_SYSCALL_DEFINE3(signalfd, int, ufd,
signalfd          399 kernel/sys_ni.c COND_SYSCALL(signalfd);
signalfd          400 kernel/sys_ni.c COND_SYSCALL_COMPAT(signalfd);