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Length: 1205 (0x4b5)
Types: TextFile
Notes: UNIX file
Names: »poll.h«
└─⟦a6ab2eb36⟧ Bits:30004042/kconfig3.imd SW95705I 386/ix Multi-user Release 1.2
└─⟦a6ab2eb36⟧ UNIX Filesystem
└─⟦this⟧ »kc/new/usr/include/sys/poll.h«
/* Copyright (c) 1984 AT&T */
/* All Rights Reserved */
/* THIS IS UNPUBLISHED PROPRIETARY SOURCE CODE OF AT&T */
/* The copyright notice above does not evidence any */
/* actual or intended publication of such source code. */
#ident "@(#)poll.h 1.3"
/*
* Structure of file descriptor/event pairs supplied in
* the poll arrays.
*/
struct pollfd {
int fd; /* file desc to poll */
short events; /* events of interest on fd */
short revents; /* events that occurred on fd */
};
/*
* Testable select events
*/
#define POLLIN 01 /* fd is readable */
#define POLLPRI 02 /* priority info at fd */
#define POLLOUT 04 /* fd is writeable (won't block) */
/*
* Non-testable poll events (may not be specified in events field,
* but may be returned in revents field).
*/
#define POLLERR 010 /* fd has error condition */
#define POLLHUP 020 /* fd has been hung up on */
#define POLLNVAL 040 /* invalid pollfd entry */
/*
* Number of pollfd entries to read in at a time in poll.
* The larger the value the better the performance, up to the
* maximum number of open files allowed. Large numbers will
* use excessive amounts of kernel stack space.
*/
#define NPOLLFILE 20