/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2009 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
/*
* Copyright (c) 2012, Joyent, Inc. All rights reserved.
*/
#ifndef _SYS_PORT_IMPL_H
#define _SYS_PORT_IMPL_H
#ifdef __cplusplus
extern "C" {
#endif
/*
* Note:
* The contents of this file are private to the implementation of the
* Solaris system and event ports subsystem and are subject to change
* at any time without notice.
*/
#include <sys/poll_impl.h>
#include <sys/port_kernel.h>
/*
* port system call codes
*/
/* port_dispatch() flags */
/* port limits */
#ifdef _KERNEL
/* portkev_flags masks */
typedef struct port_alert {
} port_alert_t;
/*
* The port_queue_t structure is responsible for the management of all
* event activities within a port.
*/
typedef struct port_queue {
int portq_flags;
} port_queue_t;
/* defines for portq_flags */
typedef struct port {
int port_fd;
} port_t;
/* defines for port_flags */
/*
* global control structure of port framework
*/
typedef struct port_control {
/*
* Every thread waiting on an object will use this structure to store
* all dependencies (flags, counters, events) before it awakes with
* some events/transactions completed
*/
typedef struct portget {
int portget_state;
} portget_t;
/* defines for portget_state */
extern port_control_t port_control;
extern uint_t port_max_list;
/*
* port_getn() needs this structure to manage inter-process event delivery.
*/
typedef struct port_gettimer {
int pgt_timecheck;
/* pgt_flags */
/*
* portfd_t is required to synchronize the association of fds with a port
* and the per-process list of open files.
* There is a pointer to a portfd structure in uf_entry_t.
* If a fd is closed then closeandsetf() is able to detect the association of
* the fd with a port or with a list of ports. closeandsetf() will dissociate
* the fd from the port(s).
*/
typedef struct portfd {
} portfd_t;
/*
* PORT_SOURCE_FILE -- File Events Notification sources
*/
(PORTFOP_HASHSIZE - 1))])
/*
* This structure is used to register a file object to be watched.
*
* The pfop_flags are protected by the vnode's pvp_mutex lock.
* The pfop list (vnode's list) is protected by the pvp_mutex when it is on
* the vnode's list.
*
* All the rest of the fields are protected by the port's source cache lock
* pfcp_lock.
*/
typedef struct portfop {
int pfop_events;
int pfop_clen;
} portfop_t;
/*
* pfop_flags
*/
typedef struct portfop_vfs {
typedef struct portfop_vfs_hash {
typedef struct portfop_vp {
} portfop_vp_t;
/*
* file operations flag.
*/
/*
* PORT_SOURCE_FILE - vnode operations
*/
/*
* File modification event.
*/
/*
* File access event
*/
/*
* File attrib event
*/
/*
* File trunc event
*/
/*
* valid watchable events
*/
/* --- End file events --- */
/*
* port_kstat_t contains the event port kernel values which are
* exported to kstat.
* Currently only the number of active ports is exported.
*/
typedef struct port_kstat {
} port_kstat_t;
/* misc functions */
void port_push_eventq(port_queue_t *);
int port_remove_done_event(struct port_kevent *);
void port_block(port_queue_t *);
void port_unblock(port_queue_t *);
/* PORT_SOURCE_FD cache management */
/* file close management */
extern void addfd_port(int, portfd_t *);
extern void delfd_port(int, portfd_t *);
#endif /* _KERNEL */
#ifdef __cplusplus
}
#endif
#endif /* _SYS_PORT_IMPL_H */