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-rw-r--r--lib/i386-io-cygwin.h29
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diff --git a/lib/i386-io-cygwin.h b/lib/i386-io-cygwin.h
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+++ b/lib/i386-io-cygwin.h
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+/*
+ * The PCI Library -- Access to i386 I/O ports under Windows with CYGWIN
+ *
+ * Copyright (c) 1997--2006 Martin Mares <mj@ucw.cz>
+ *
+ * Can be freely distributed and used under the terms of the GNU GPL.
+ */
+
+#include <sys/io.h>
+
+static int
+intel_setup_io(struct pci_access *a UNUSED)
+{
+ return (iopl(3) < 0) ? 0 : 1;
+}
+
+static inline void
+intel_cleanup_io(struct pci_access *a UNUSED)
+{
+ iopl(0);
+}
+
+static inline void intel_io_lock(void)
+{
+}
+
+static inline void intel_io_unlock(void)
+{
+}