#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