+++ /dev/null
-/*-
- * Copyright (c) 1999,2000,2001 Jonathan Lemon <jlemon@FreeBSD.org>
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- * $FreeBSD: src/sys/sys/event.h,v 1.22 2003/02/02 19:39:51 nectar Exp $
- */
-
-#ifndef _TIRPC_EVENT_H_
-#define _TIRPC_EVENT_H_
-
-#define EVFILT_READ (-1)
-#define EVFILT_WRITE (-2)
-#define EVFILT_AIO (-3) /* attached to aio requests */
-#define EVFILT_VNODE (-4) /* attached to vnodes */
-#define EVFILT_PROC (-5) /* attached to struct proc */
-#define EVFILT_SIGNAL (-6) /* attached to struct proc */
-#define EVFILT_TIMER (-7) /* timers */
-#define EVFILT_NETDEV (-8) /* network devices */
-
-#define EVFILT_SYSCOUNT 8
-
-#define EV_SET(kevp_, a, b, c, d, e, f) do { \
- struct kevent *kevp = (kevp_); \
- (kevp)->ident = (a); \
- (kevp)->filter = (b); \
- (kevp)->flags = (c); \
- (kevp)->fflags = (d); \
- (kevp)->data = (e); \
- (kevp)->udata = (f); \
-} while(0)
-
-#include <stdint.h>
-
-struct kevent {
- uintptr_t ident; /* identifier for this event */
- short filter; /* filter for event */
- u_short flags;
- u_int fflags;
- intptr_t data;
- void *udata; /* opaque user data identifier */
-};
-
-/* actions */
-#define EV_ADD 0x0001 /* add event to kq (implies enable) */
-#define EV_DELETE 0x0002 /* delete event from kq */
-#define EV_ENABLE 0x0004 /* enable event */
-#define EV_DISABLE 0x0008 /* disable event (not reported) */
-
-/* flags */
-#define EV_ONESHOT 0x0010 /* only report one occurrence */
-#define EV_CLEAR 0x0020 /* clear event state after reporting */
-
-#define EV_SYSFLAGS 0xF000 /* reserved by system */
-#define EV_FLAG1 0x2000 /* filter-specific flag */
-
-/* returned values */
-#define EV_EOF 0x8000 /* EOF detected */
-#define EV_ERROR 0x4000 /* error, data contains errno */
-
-/*
- * data/hint flags for EVFILT_{READ|WRITE}, shared with userspace
- */
-#define NOTE_LOWAT 0x0001 /* low water mark */
-
-/*
- * data/hint flags for EVFILT_VNODE, shared with userspace
- */
-#define NOTE_DELETE 0x0001 /* vnode was removed */
-#define NOTE_WRITE 0x0002 /* data contents changed */
-#define NOTE_EXTEND 0x0004 /* size increased */
-#define NOTE_ATTRIB 0x0008 /* attributes changed */
-#define NOTE_LINK 0x0010 /* link count changed */
-#define NOTE_RENAME 0x0020 /* vnode was renamed */
-#define NOTE_REVOKE 0x0040 /* vnode access was revoked */
-
-/*
- * data/hint flags for EVFILT_PROC, shared with userspace
- */
-#define NOTE_EXIT 0x80000000 /* process exited */
-#define NOTE_FORK 0x40000000 /* process forked */
-#define NOTE_EXEC 0x20000000 /* process exec'd */
-#define NOTE_PCTRLMASK 0xf0000000 /* mask for hint bits */
-#define NOTE_PDATAMASK 0x000fffff /* mask for pid */
-
-/* additional flags for EVFILT_PROC */
-#define NOTE_TRACK 0x00000001 /* follow across forks */
-#define NOTE_TRACKERR 0x00000002 /* could not track child */
-#define NOTE_CHILD 0x00000004 /* am a child process */
-
-/*
- * data/hint flags for EVFILT_NETDEV, shared with userspace
- */
-#define NOTE_LINKUP 0x0001 /* link is up */
-#define NOTE_LINKDOWN 0x0002 /* link is down */
-#define NOTE_LINKINV 0x0004 /* link state is invalid */
-
-/*
- * This is currently visible to userland to work around broken
- * programs which pull in <sys/proc.h>.
- */
-#include <sys/queue.h>
-
-struct knote;
-SLIST_HEAD(klist, knote);
-
-#ifdef _KERNEL
-
-#ifdef MALLOC_DECLARE
-MALLOC_DECLARE(M_KQUEUE);
-#endif
-
-#define KNOTE(list, hint) if ((list) != NULL) knote(list, hint)
-
-/*
- * Flag indicating hint is a signal. Used by EVFILT_SIGNAL, and also
- * shared by EVFILT_PROC (all knotes attached to p->p_klist)
- */
-#define NOTE_SIGNAL 0x08000000
-
-struct filterops {
- int f_isfd; /* true if ident == filedescriptor */
- int (*f_attach)(struct knote *kn);
- void (*f_detach)(struct knote *kn);
- int (*f_event)(struct knote *kn, long hint);
-};
-
-struct knote {
- SLIST_ENTRY(knote) kn_link; /* for fd */
- SLIST_ENTRY(knote) kn_selnext; /* for struct selinfo */
- TAILQ_ENTRY(knote) kn_tqe;
- struct kqueue *kn_kq; /* which queue we are on */
- struct kevent kn_kevent;
- int kn_status;
- int kn_sfflags; /* saved filter flags */
- intptr_t kn_sdata; /* saved data field */
- union {
- struct file *p_fp; /* file data pointer */
- struct proc *p_proc; /* proc pointer */
- } kn_ptr;
- struct filterops *kn_fop;
- void *kn_hook;
-#define KN_ACTIVE 0x01 /* event has been triggered */
-#define KN_QUEUED 0x02 /* event is on queue */
-#define KN_DISABLED 0x04 /* event is disabled */
-#define KN_DETACHED 0x08 /* knote is detached */
-
-#define kn_id kn_kevent.ident
-#define kn_filter kn_kevent.filter
-#define kn_flags kn_kevent.flags
-#define kn_fflags kn_kevent.fflags
-#define kn_data kn_kevent.data
-#define kn_fp kn_ptr.p_fp
-};
-
-struct thread;
-struct proc;
-
-extern void knote(struct klist *list, long hint);
-extern void knote_remove(struct thread *p, struct klist *list);
-extern void knote_fdclose(struct thread *p, int fd);
-extern int kqueue_register(struct kqueue *kq,
- struct kevent *kev, struct thread *p);
-extern int kqueue_add_filteropts(int filt, struct filterops *filtops);
-extern int kqueue_del_filteropts(int filt);
-
-#else /* !_KERNEL */
-
-#include <sys/cdefs.h>
-struct timespec;
-
-__BEGIN_DECLS
-int kqueue(void);
-int kevent(int kq, const struct kevent *changelist, int nchanges,
- struct kevent *eventlist, int nevents,
- const struct timespec *timeout);
-__END_DECLS
-
-#endif /* !_KERNEL */
-
-#endif /* !_TIRPC_EVENT_H_ */
projects / libtirpc / commitdiff