futex semop semtimedop pause ptrace rt_sigsuspend rt_sigtimedwait sigsuspend waitid waitpid creat open openat read write close pselect6 dup dup2 dup3 epoll_pwait epoll_wait fallocate fcntl64 flock ftruncate64 truncate64 poll ppoll io_getevents fstatfs64 statfs64 accept4 connect recv recvfrom recvmsg send sendmsg sendto request_key clock_nanosleep nanosleep mq_timedreceive mq_timedsend msgrcv msgsnd preadv readv pwritev writev write newselect getrandom