+ int m, s, ec=0, p[2], cs;
+ pid_t pid=-1;
+ sigset_t set, oldset;
+
+ if (openpty(&m, &s, name, tio, ws) < 0) return -1;
+
+ sigfillset(&set);
+ pthread_sigmask(SIG_BLOCK, &set, &oldset);
+ pthread_setcancelstate(PTHREAD_CANCEL_DISABLE, &cs);
+
+ if (pipe2(p, O_CLOEXEC)) {
+ close(s);
+ goto out;
+ }