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	1	/*
	2	* Copyright (c) 2000-2007 Apple Inc. All rights reserved.
	3	*
	4	* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
	5	*
	6	* This file contains Original Code and/or Modifications of Original Code
	7	* as defined in and that are subject to the Apple Public Source License
	8	* Version 2.0 (the 'License'). You may not use this file except in
	9	* compliance with the License. The rights granted to you under the License
	10	* may not be used to create, or enable the creation or redistribution of,
	11	* unlawful or unlicensed copies of an Apple operating system, or to
	12	* circumvent, violate, or enable the circumvention or violation of, any
	13	* terms of an Apple operating system software license agreement.
	14	*
	15	* Please obtain a copy of the License at
	16	* http://www.opensource.apple.com/apsl/ and read it before using this file.
	17	*
	18	* The Original Code and all software distributed under the License are
	19	* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
	20	* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
	21	* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
	22	* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
	23	* Please see the License for the specific language governing rights and
	24	* limitations under the License.
	25	*
	26	* @APPLE_OSREFERENCE_LICENSE_HEADER_END@
	27	*/
	28	/* Copyright (c) 1998 Apple Computer, Inc. All rights reserved */
	29
	30	#ifndef _SYS_EV_H_
	31	#define _SYS_EV_H_
	32
	33
	34	#include <sys/appleapiopts.h>
	35
	36	#include <sys/queue.h>
	37	#include <sys/cdefs.h>
	38
	39	struct eventreq {
	40	int er_type;
	41	#define EV_FD 1 // file descriptor
	42	int er_handle;
	43	void *er_data;
	44	int er_rcnt;
	45	int er_wcnt;
	46	int er_ecnt;
	47	int er_eventbits;
	48	#define EV_RE 1
	49	#define EV_WR 2
	50	#define EV_EX 4
	51	#define EV_RM 8
	52	#define EV_MASK 0xf
	53	};
	54
	55	typedef struct eventreq *er_t;
	56
	57	#define EV_RBYTES 0x100
	58	#define EV_WBYTES 0x200
	59	#define EV_RWBYTES (EV_RBYTES\|EV_WBYTES)
	60	#define EV_RCLOSED 0x400
	61	#define EV_RCONN 0x800
	62	#define EV_WCLOSED 0x1000
	63	#define EV_WCONN 0x2000
	64	#define EV_OOB 0x4000
	65	#define EV_FIN 0x8000
	66	#define EV_RESET 0x10000
	67	#define EV_TIMEOUT 0x20000
	68	#define EV_DMASK 0xffffff00
	69
	70
	71	#ifndef KERNEL
	72
	73	__BEGIN_DECLS
	74	int modwatch(er_t, int);
	75	int watchevent(er_t, int);
	76	int waitevent(er_t, struct timeval *);
	77	__END_DECLS
	78
	79	#endif
	80
	81
	82	#ifdef BSD_KERNEL_PRIVATE
	83
	84
	85
	86	struct eventreq32 {
	87	int er_type;
	88	int er_handle;
	89	uint32_t er_data;
	90	int er_rcnt;
	91	int er_wcnt;
	92	int er_ecnt;
	93	int er_eventbits;
	94	};
	95
	96	struct eventreq64 {
	97	int er_type;
	98	int er_handle;
	99	user_addr_t er_data;
	100	int er_rcnt;
	101	int er_wcnt;
	102	int er_ecnt;
	103	int er_eventbits;
	104	};
	105
	106	struct eventqelt {
	107	TAILQ_ENTRY(eventqelt) ee_slist;
	108	TAILQ_ENTRY(eventqelt) ee_plist;
	109	struct eventreq64 ee_req;
	110	struct proc * ee_proc;
	111	u_int ee_flags;
	112	#define EV_QUEUED 0x01
	113	u_int ee_eventmask;
	114	};
	115
	116	int waitevent_close(struct proc p, struct fileproc );
	117	#endif /* BSD_KERNEL_PRIVATE */
	118
	119	#endif /* _SYS_EV_H_ */