--- a/epoc32/include/stdapis/sys/event.h Tue Nov 24 13:55:44 2009 +0000
+++ b/epoc32/include/stdapis/sys/event.h Tue Mar 16 16:12:26 2010 +0000
@@ -1,1 +1,202 @@
-event.h
+/*-
+ * 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.
+ * © Portions copyright (c) 2007 Symbian Software Ltd. All rights reserved.
+ * $FreeBSD: src/sys/sys/event.h,v 1.32 2005/07/01 16:28:32 ssouhlal Exp $
+ */
+
+#ifndef _SYS_EVENT_H_
+#define _SYS_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_FS (-9) /* filesystem events */
+
+#define EVFILT_SYSCOUNT 9
+
+#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)
+
+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>
+#include <sys/_lock.h>
+#include <sys/_mutex.h>
+struct knote;
+struct kqueue;
+struct knlist {
+ struct klist kl_list;
+ void (*kl_lock)(void *); /* lock function */
+ void (*kl_unlock)(void *);
+ int (*kl_locked)(void *);
+ void *kl_lockarg; /* argument passed to kl_lockf() */
+};
+
+
+#ifdef _KERNEL
+
+#define KNLIST_EMPTY(list) SLIST_EMPTY(&(list)->kl_list)
+
+/*
+ * 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);
+};
+
+/*
+ * Setting the KN_INFLUX flag enables you to unlock the kq that this knote
+ * is on, and modify kn_status as if you had the KQ lock.
+ *
+ * kn_sfflags, kn_sdata, and kn_kevent are protected by the knlist lock.
+ */
+struct knote {
+ SLIST_ENTRY(knote) kn_link; /* for kq */
+ SLIST_ENTRY(knote) kn_selnext; /* for struct selinfo */
+ struct knlist *kn_knlist; /* f_attach populated */
+ TAILQ_ENTRY(knote) kn_tqe;
+ struct kqueue *kn_kq; /* which queue we are on */
+ struct kevent kn_kevent;
+ int kn_status; /* protected by kq lock */
+#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_INFLUX 0x10 /* knote is in flux */
+#define KN_MARKER 0x20 /* ignore this knote */
+#define KN_KQUEUE 0x40 /* this knote belongs to a kq */
+#define KN_HASKQLOCK 0x80 /* for _inevent */
+ 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_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 kevent_copyops {
+ void *arg;
+ int (*k_copyout)(void *arg, struct kevent *kevp, int count);
+ int (*k_copyin)(void *arg, struct kevent *kevp, int count);
+};
+
+struct thread;
+struct proc;
+struct knlist;
+
+#endif /* !_KERNEL */
+
+#endif /* !_SYS_EVENT_H_ */