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c6fe367365
will appear in the next version: https://www.opengroup.org/austin/docs/austin_1110.pdf Change-Id: I38014ad910881df260f0ec762831491e143328c4 Reviewed-on: https://review.haiku-os.org/c/haiku/+/4099 Tested-by: Commit checker robot <no-reply+buildbot@haiku-os.org> Reviewed-by: Adrien Destugues <pulkomandy@gmail.com>
51 lines
1.2 KiB
C
51 lines
1.2 KiB
C
/*
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* Copyright 2002-2012 Haiku, Inc. All Rights Reserved.
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* Distributed under the terms of the MIT License.
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*/
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#ifndef _POLL_H
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#define _POLL_H
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#include <signal.h>
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#include <sys/time.h>
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typedef unsigned long nfds_t;
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struct pollfd {
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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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};
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/* events & revents - compatible with the B_SELECT_xxx definitions in Drivers.h */
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#define POLLIN 0x0001 /* any readable data available */
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#define POLLOUT 0x0002 /* file descriptor is writeable */
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#define POLLRDNORM POLLIN
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#define POLLWRNORM POLLOUT
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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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/* revents only */
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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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#ifdef __cplusplus
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extern "C" {
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#endif
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extern int poll(struct pollfd *fds, nfds_t numfds, int timeout);
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extern int ppoll(struct pollfd *fds, nfds_t numfds,
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const struct timespec *timeout, const sigset_t *sigMask);
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#ifdef __cplusplus
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}
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#endif
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#endif /* _POLL_H */
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