__ARCH_WANT_SYS_SIGPROCMASK 676 include/asm-x86/unistd_64.h #define __ARCH_WANT_SYS_SIGPROCMASK __ARCH_WANT_SYS_SIGPROCMASK 2420 kernel/signal.c #ifdef __ARCH_WANT_SYS_SIGPROCMASK