[apple/xnu.git] / bsd / sys / ev.h

/*
 * Copyright (c) 2000-2007 Apple Inc. All rights reserved.
 *
 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
 *
 * This file contains Original Code and/or Modifications of Original Code
 * as defined in and that are subject to the Apple Public Source License
 * Version 2.0 (the 'License'). You may not use this file except in
 * compliance with the License. The rights granted to you under the License
 * may not be used to create, or enable the creation or redistribution of,
 * unlawful or unlicensed copies of an Apple operating system, or to
 * circumvent, violate, or enable the circumvention or violation of, any
 * terms of an Apple operating system software license agreement.
 *
 * Please obtain a copy of the License at
 * http://www.opensource.apple.com/apsl/ and read it before using this file.
 *
 * The Original Code and all software distributed under the License are
 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
 * Please see the License for the specific language governing rights and
 * limitations under the License.
 *
 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
 */
/* Copyright (c) 1998 Apple Computer, Inc. All rights reserved */

#ifndef _SYS_EV_H_
#define _SYS_EV_H_


#include <sys/appleapiopts.h>

#include <sys/queue.h>
#include <sys/cdefs.h>

struct eventreq {
	int      er_type;
#define EV_FD 1    // file descriptor
	int      er_handle;
	void    *er_data;
	int      er_rcnt;
	int      er_wcnt;
	int      er_ecnt;
	int      er_eventbits;
#define EV_RE  1
#define EV_WR  2
#define EV_EX  4
#define EV_RM  8
#define EV_MASK 0xf
};

typedef struct eventreq *er_t;

#define EV_RBYTES 0x100
#define EV_WBYTES 0x200
#define EV_RWBYTES (EV_RBYTES|EV_WBYTES)
#define EV_RCLOSED 0x400
#define EV_RCONN   0x800
#define EV_WCLOSED 0x1000
#define EV_WCONN   0x2000
#define EV_OOB     0x4000
#define EV_FIN     0x8000
#define EV_RESET   0x10000
#define EV_TIMEOUT 0x20000
#define EV_DMASK   0xffffff00


#ifndef KERNEL

__BEGIN_DECLS
int     modwatch(er_t, int);
int     watchevent(er_t, int);
int     waitevent(er_t, struct timeval *);
__END_DECLS

#endif


#ifdef BSD_KERNEL_PRIVATE


struct eventreq32 {
	int      er_type;
	int      er_handle;
	uint32_t er_data;
	int      er_rcnt;
	int      er_wcnt;
	int      er_ecnt;
	int      er_eventbits;
};

struct eventreq64 {
	int      er_type;
	int      er_handle;
	user_addr_t er_data;
	int      er_rcnt;
	int      er_wcnt;
	int      er_ecnt;
	int      er_eventbits;
};

struct eventqelt {
	TAILQ_ENTRY(eventqelt)  ee_slist;
	TAILQ_ENTRY(eventqelt)  ee_plist;
	struct eventreq64  ee_req;
	struct proc *    ee_proc;
	u_int            ee_flags;
#define EV_QUEUED       0x01
	u_int            ee_eventmask;
};

int waitevent_close(struct proc *p, struct fileproc *);
#endif /* BSD_KERNEL_PRIVATE */

#endif /* _SYS_EV_H_ */
Commit	Line	Data
1c79356b	1	/*
2d21ac55	2	* Copyright (c) 2000-2007 Apple Inc. All rights reserved.
5d5c5d0d	3	*
2d21ac55	4	* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
0a7de745	5	*
2d21ac55 A	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.
0a7de745	14	*
2d21ac55 A	15	* Please obtain a copy of the License at
2d21ac55 A	16	* http://www.opensource.apple.com/apsl/ and read it before using this file.
0a7de745	17	*
2d21ac55 A	18	* The Original Code and all software distributed under the License are
2d21ac55 A	19	* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
8f6c56a5 A	20	* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
8f6c56a5 A	21	* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
2d21ac55 A	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.
0a7de745	25	*
2d21ac55	26	* @APPLE_OSREFERENCE_LICENSE_HEADER_END@
1c79356b A	27	*/
	28	/* Copyright (c) 1998 Apple Computer, Inc. All rights reserved */
	29
	30	#ifndef _SYS_EV_H_
	31	#define _SYS_EV_H_
	32
91447636	33
9bccf70c A	34	#include <sys/appleapiopts.h>
9bccf70c A	35
1c79356b	36	#include <sys/queue.h>
91447636	37	#include <sys/cdefs.h>
1c79356b A	38
1c79356b A	39	struct eventreq {
0a7de745	40	int er_type;
1c79356b	41	#define EV_FD 1 // file descriptor
0a7de745 A	42	int er_handle;
	43	void *er_data;
	44	int er_rcnt;
	45	int er_wcnt;
	46	int er_ecnt;
	47	int er_eventbits;
1c79356b A	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
2d21ac55 A	70
	71	#ifndef KERNEL
	72
	73	__BEGIN_DECLS
0a7de745 A	74	int modwatch(er_t, int);
	75	int watchevent(er_t, int);
	76	int waitevent(er_t, struct timeval *);
2d21ac55 A	77	__END_DECLS
	78
	79	#endif
	80
	81
91447636	82	#ifdef BSD_KERNEL_PRIVATE
1c79356b	83
2d21ac55 A	84
	85
	86	struct eventreq32 {
0a7de745 A	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;
2d21ac55 A	94	};
	95
	96	struct eventreq64 {
0a7de745 A	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;
2d21ac55 A	104	};
2d21ac55 A	105
1c79356b	106	struct eventqelt {
0a7de745 A	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;
1c79356b A	114	};
1c79356b A	115
91447636 A	116	int waitevent_close(struct proc p, struct fileproc );
	117	#endif /* BSD_KERNEL_PRIVATE */
	118
1c79356b	119	#endif /* _SYS_EV_H_ */