2002-10-28 18:46:30 +00:00
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#ifndef _POLL_H
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#define _POLL_H
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/*
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** Distributed under the terms of the OpenBeOS License.
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*/
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2002-07-09 12:24:59 +00:00
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2002-10-28 18:46:30 +00:00
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typedef unsigned long nfds_t;
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2002-07-09 12:24:59 +00:00
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struct pollfd {
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2002-10-29 05:39:54 +00:00
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int fd;
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short events; /* events to look for */
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short revents; /* events that occured */
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2002-07-09 12:24:59 +00:00
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};
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2002-10-29 03:36:14 +00:00
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/* events & revents - compatible with the B_SELECT_xxx definitions in Drivers.h */
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2002-10-28 18:46:30 +00:00
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#define POLLIN 0x0001 /* any readable data available */
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2002-10-29 03:36:14 +00:00
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#define POLLOUT 0x0002 /* file descriptor is writeable */
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#define POLLRDNORM POLLIN
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2002-10-28 18:46:30 +00:00
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#define POLLWRNORM POLLOUT
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2002-10-29 03:36:14 +00:00
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#define POLLRDBAND 0x0008 /* priority readable data */
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#define POLLWRBAND 0x0010 /* priority data can be written */
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#define POLLPRI 0x0020 /* high priority readable data */
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2002-07-09 12:24:59 +00:00
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2002-10-28 18:46:30 +00:00
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/* revents only */
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2002-10-29 03:36:14 +00:00
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#define POLLERR 0x0004 /* errors pending */
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#define POLLHUP 0x0080 /* disconnected */
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#define POLLNVAL 0x1000 /* invalid file descriptor */
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2002-10-28 18:46:30 +00:00
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extern
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2002-10-26 13:22:40 +00:00
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#ifdef __cplusplus
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2002-10-28 18:46:30 +00:00
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"C"
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2002-10-26 13:22:40 +00:00
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#endif
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2002-10-28 18:46:30 +00:00
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int poll(struct pollfd *fds, nfds_t numfds, int timeout);
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2002-10-26 13:22:40 +00:00
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2002-10-28 18:46:30 +00:00
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#endif /* _POLL_H */
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