}
}
PERL_FLUSHALL_FOR_CHILD;
-#if (defined(HAS_FORK) || defined(AMIGAOS)) && !defined(VMS) && !defined(OS2)
+#if (defined(HAS_FORK) || defined(AMIGAOS)) && !defined(VMS) && !defined(OS2) && !defined(__CYGWIN__)
if (PerlProc_pipe(pp) >= 0)
did_pipes = 1;
while ((childpid = vfork()) == -1) {