+ __init_ssp((void *)aux[AT_RANDOM]);
+
+ if (aux[AT_UID]==aux[AT_EUID] && aux[AT_GID]==aux[AT_EGID]
+ && !aux[AT_SECURE]) return;
+
+ struct pollfd pfd[3] = { {.fd=0}, {.fd=1}, {.fd=2} };
+#ifdef SYS_poll
+ __syscall(SYS_poll, pfd, 3, 0);
+#else
+ __syscall(SYS_ppoll, pfd, 3, &(struct timespec){0}, 0, _NSIG/8);
+#endif
+ for (i=0; i<3; i++) if (pfd[i].revents&POLLNVAL)
+ if (__sys_open("/dev/null", O_RDWR)<0)
+ a_crash();
+ libc.secure = 1;