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/* |
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* poll.h |
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* |
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* Copyright (c) 1997-8 Graham Barr <gbarr@pobox.com>. All rights reserved. |
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* This program is free software; you can redistribute it and/or |
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* modify it under the same terms as Perl itself. |
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* |
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*/ |
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#ifndef POLL_H |
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# define POLL_H |
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#if (defined(HAS_POLL) && defined(I_POLL)) || defined(POLLWRBAND) |
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# include <poll.h> |
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#else |
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#ifdef HAS_SELECT |
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/* We shall emulate poll using select */ |
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#define EMULATE_POLL_WITH_SELECT |
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#ifdef poll |
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# undef poll |
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#endif |
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#define poll Perl_my_poll |
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typedef struct pollfd { |
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int fd; |
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short events; |
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short revents; |
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} pollfd_t; |
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#define POLLIN 0x0001 |
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#define POLLPRI 0x0002 |
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#define POLLOUT 0x0004 |
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#define POLLRDNORM 0x0040 |
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#define POLLWRNORM POLLOUT |
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#define POLLRDBAND 0x0080 |
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#define POLLWRBAND 0x0100 |
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#define POLLNORM POLLRDNORM |
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/* Return ONLY events (NON testable) */ |
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#define POLLERR 0x0008 |
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#define POLLHUP 0x0010 |
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#define POLLNVAL 0x0020 |
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int poll (struct pollfd *, unsigned long, int); |
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#ifndef HAS_POLL |
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# define HAS_POLL |
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#endif |
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#endif /* HAS_SELECT */ |
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#endif /* I_POLL */ |
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#endif /* POLL_H */ |
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