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+
+#ifndef POLLEN_H
+
+ /* Unix serial I/O class poll() emulation. */
+
+/*
+ * Argyll Color Correction System
+ *
+ * Author: Graeme W. Gill
+ * Date: 12/9/2004
+ *
+ * Copyright 2004, 2010 Graeme W. Gill
+ * All rights reserved.
+ *
+ * This material is licenced under the GNU GENERAL PUBLIC LICENSE Version 2 or later :-
+ * see the License2.txt file for licencing details.
+ */
+
+#ifdef __cplusplus
+ extern "C" {
+#endif
+
+#ifdef UNIX
+
+/* Fake up poll() support on systems that only support select() */
+
+/* Fake poll array structure */
+struct pollfd {
+ int fd; /* File descriptor */
+ short events; /* Requested events */
+ short revents; /* Returned events */
+};
+
+/* Fake Poll flag values supported */
+#define POLLIN 0x01
+#define POLLPRI 0x02
+#define POLLOUT 0x04
+
+/* Timeout is in milliseconds, -1 == wait forever */
+int pollem(struct pollfd fds[], unsigned long nfds, int timeout);
+
+#define POLLEN_H
+#endif /* POLLEN_H */
+
+#endif /* UNIX */
+
+#ifdef __cplusplus
+ }
+#endif
+