(If no fcntl F_SETFD, fake it the best we can.)
p4raw-id: //depot/perl@20643
PerlLIO_close(pp[0]);
#if defined(HAS_FCNTL) && defined(F_SETFD)
fcntl(pp[1], F_SETFD, FD_CLOEXEC);
+#else
+ PerlLIO_close(pp[1]); /* Do as best as we can: pretend success. */
#endif
}
if (PL_op->op_flags & OPf_STACKED) {