usr/include/sys/poll.h 0000644 00000004765 14720517026 0010755 0 ustar 00 /* Compatibility definitions for System V `poll' interface.
Copyright (C) 1994-2018 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
. */
#ifndef _SYS_POLL_H
#define _SYS_POLL_H 1
#include
/* Get the platform dependent bits of `poll'. */
#include
#ifdef __USE_GNU
# include
# include
#endif
/* Type used for the number of file descriptors. */
typedef unsigned long int nfds_t;
/* Data structure describing a polling request. */
struct pollfd
{
int fd; /* File descriptor to poll. */
short int events; /* Types of events poller cares about. */
short int revents; /* Types of events that actually occurred. */
};
__BEGIN_DECLS
/* Poll the file descriptors described by the NFDS structures starting at
FDS. If TIMEOUT is nonzero and not -1, allow TIMEOUT milliseconds for
an event to occur; if TIMEOUT is -1, block until an event occurs.
Returns the number of file descriptors with events, zero if timed out,
or -1 for errors.
This function is a cancellation point and therefore not marked with
__THROW. */
extern int poll (struct pollfd *__fds, nfds_t __nfds, int __timeout);
#ifdef __USE_GNU
/* Like poll, but before waiting the threads signal mask is replaced
with that specified in the fourth parameter. For better usability,
the timeout value is specified using a TIMESPEC object.
This function is a cancellation point and therefore not marked with
__THROW. */
extern int ppoll (struct pollfd *__fds, nfds_t __nfds,
const struct timespec *__timeout,
const __sigset_t *__ss);
#endif
__END_DECLS
/* Define some inlines helping to catch common problems. */
#if __USE_FORTIFY_LEVEL > 0 && defined __fortify_function
# include
#endif
#endif /* sys/poll.h */
usr/include/asm/poll.h 0000644 00000000036 14720521744 0010704 0 ustar 00 #include
usr/include/asm-generic/poll.h 0000644 00000001556 14720524716 0012330 0 ustar 00 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
#ifndef __ASM_GENERIC_POLL_H
#define __ASM_GENERIC_POLL_H
/* These are specified by iBCS2 */
#define POLLIN 0x0001
#define POLLPRI 0x0002
#define POLLOUT 0x0004
#define POLLERR 0x0008
#define POLLHUP 0x0010
#define POLLNVAL 0x0020
/* The rest seem to be more-or-less nonstandard. Check them! */
#define POLLRDNORM 0x0040
#define POLLRDBAND 0x0080
#ifndef POLLWRNORM
#define POLLWRNORM 0x0100
#endif
#ifndef POLLWRBAND
#define POLLWRBAND 0x0200
#endif
#ifndef POLLMSG
#define POLLMSG 0x0400
#endif
#ifndef POLLREMOVE
#define POLLREMOVE 0x1000
#endif
#ifndef POLLRDHUP
#define POLLRDHUP 0x2000
#endif
#define POLLFREE (__poll_t)0x4000 /* currently only for epoll */
#define POLL_BUSY_LOOP (__poll_t)0x8000
struct pollfd {
int fd;
short events;
short revents;
};
#endif /* __ASM_GENERIC_POLL_H */