__sys_listen 401 include/linux/socket.h extern int __sys_listen(int fd, int backlog); __sys_listen 753 net/compat.c ret = __sys_listen(a0, a1); __sys_listen 1690 net/socket.c return __sys_listen(fd, backlog); __sys_listen 2855 net/socket.c err = __sys_listen(a0, a1);