mirror of
https://git.rtems.org/rtems-libbsd/
synced 2025-10-15 23:56:02 +08:00
Use <sys/poll.h> and <sys/event.h> from RTEMS
This commit is contained in:
Sebastian Huber
@@ -684,7 +684,6 @@ base.addHeaderFiles(
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'sys/sys/ctype.h',
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'sys/sys/domain.h',
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'sys/sys/endian.h',
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'sys/sys/event.h',
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'sys/sys/eventhandler.h',
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'sys/sys/filedesc.h',
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'sys/sys/file.h',
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@@ -716,7 +715,6 @@ base.addHeaderFiles(
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'sys/sys/_null.h',
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'sys/sys/osd.h',
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'sys/sys/pcpu.h',
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'sys/sys/poll.h',
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'sys/sys/priority.h',
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'sys/sys/priv.h',
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'sys/sys/proc.h',
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@@ -1,279 +0,0 @@
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/*-
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* Copyright (c) 1999,2000,2001 Jonathan Lemon <jlemon@FreeBSD.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#ifndef _SYS_EVENT_H_
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#define _SYS_EVENT_H_
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#include <sys/queue.h>
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#define EVFILT_READ (-1)
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#define EVFILT_WRITE (-2)
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#define EVFILT_AIO (-3) /* attached to aio requests */
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#define EVFILT_VNODE (-4) /* attached to vnodes */
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#define EVFILT_PROC (-5) /* attached to struct proc */
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#define EVFILT_SIGNAL (-6) /* attached to struct proc */
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#define EVFILT_TIMER (-7) /* timers */
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/* EVFILT_NETDEV (-8) no longer supported */
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#define EVFILT_FS (-9) /* filesystem events */
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#define EVFILT_LIO (-10) /* attached to lio requests */
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#define EVFILT_USER (-11) /* User events */
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#define EVFILT_SYSCOUNT 11
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#define EV_SET(kevp_, a, b, c, d, e, f) do { \
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struct kevent *kevp = (kevp_); \
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(kevp)->ident = (a); \
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(kevp)->filter = (b); \
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(kevp)->flags = (c); \
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(kevp)->fflags = (d); \
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(kevp)->data = (e); \
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(kevp)->udata = (f); \
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} while(0)
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struct kevent {
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uintptr_t ident; /* identifier for this event */
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short filter; /* filter for event */
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u_short flags;
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u_int fflags;
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intptr_t data;
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void *udata; /* opaque user data identifier */
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};
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/* actions */
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#define EV_ADD 0x0001 /* add event to kq (implies enable) */
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#define EV_DELETE 0x0002 /* delete event from kq */
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#define EV_ENABLE 0x0004 /* enable event */
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#define EV_DISABLE 0x0008 /* disable event (not reported) */
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/* flags */
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#define EV_ONESHOT 0x0010 /* only report one occurrence */
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#define EV_CLEAR 0x0020 /* clear event state after reporting */
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#define EV_RECEIPT 0x0040 /* force EV_ERROR on success, data=0 */
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#define EV_DISPATCH 0x0080 /* disable event after reporting */
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#define EV_SYSFLAGS 0xF000 /* reserved by system */
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#define EV_FLAG1 0x2000 /* filter-specific flag */
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/* returned values */
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#define EV_EOF 0x8000 /* EOF detected */
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#define EV_ERROR 0x4000 /* error, data contains errno */
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/*
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* data/hint flags/masks for EVFILT_USER, shared with userspace
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*
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* On input, the top two bits of fflags specifies how the lower twenty four
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* bits should be applied to the stored value of fflags.
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*
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* On output, the top two bits will always be set to NOTE_FFNOP and the
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* remaining twenty four bits will contain the stored fflags value.
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*/
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#define NOTE_FFNOP 0x00000000 /* ignore input fflags */
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#define NOTE_FFAND 0x40000000 /* AND fflags */
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#define NOTE_FFOR 0x80000000 /* OR fflags */
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#define NOTE_FFCOPY 0xc0000000 /* copy fflags */
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#define NOTE_FFCTRLMASK 0xc0000000 /* masks for operations */
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#define NOTE_FFLAGSMASK 0x00ffffff
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#define NOTE_TRIGGER 0x01000000 /* Cause the event to be
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triggered for output. */
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/*
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* data/hint flags for EVFILT_{READ|WRITE}, shared with userspace
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*/
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#define NOTE_LOWAT 0x0001 /* low water mark */
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/*
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* data/hint flags for EVFILT_VNODE, shared with userspace
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*/
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#define NOTE_DELETE 0x0001 /* vnode was removed */
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#define NOTE_WRITE 0x0002 /* data contents changed */
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#define NOTE_EXTEND 0x0004 /* size increased */
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#define NOTE_ATTRIB 0x0008 /* attributes changed */
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#define NOTE_LINK 0x0010 /* link count changed */
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#define NOTE_RENAME 0x0020 /* vnode was renamed */
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#define NOTE_REVOKE 0x0040 /* vnode access was revoked */
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/*
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* data/hint flags for EVFILT_PROC, shared with userspace
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*/
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#define NOTE_EXIT 0x80000000 /* process exited */
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#define NOTE_FORK 0x40000000 /* process forked */
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#define NOTE_EXEC 0x20000000 /* process exec'd */
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#define NOTE_PCTRLMASK 0xf0000000 /* mask for hint bits */
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#define NOTE_PDATAMASK 0x000fffff /* mask for pid */
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/* additional flags for EVFILT_PROC */
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#define NOTE_TRACK 0x00000001 /* follow across forks */
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#define NOTE_TRACKERR 0x00000002 /* could not track child */
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#define NOTE_CHILD 0x00000004 /* am a child process */
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struct knote;
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SLIST_HEAD(klist, knote);
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struct kqueue;
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SLIST_HEAD(kqlist, kqueue);
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struct knlist {
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struct klist kl_list;
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void (*kl_lock)(void *); /* lock function */
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void (*kl_unlock)(void *);
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void (*kl_assert_locked)(void *);
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void (*kl_assert_unlocked)(void *);
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void *kl_lockarg; /* argument passed to kl_lockf() */
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};
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#ifdef _KERNEL
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#ifdef MALLOC_DECLARE
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MALLOC_DECLARE(M_KQUEUE);
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#endif
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/*
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* Flags for knote call
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*/
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#define KNF_LISTLOCKED 0x0001 /* knlist is locked */
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#define KNF_NOKQLOCK 0x0002 /* do not keep KQ_LOCK */
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#define KNOTE(list, hist, flags) knote(list, hist, flags)
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#define KNOTE_LOCKED(list, hint) knote(list, hint, KNF_LISTLOCKED)
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#define KNOTE_UNLOCKED(list, hint) knote(list, hint, 0)
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#define KNLIST_EMPTY(list) SLIST_EMPTY(&(list)->kl_list)
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/*
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* Flag indicating hint is a signal. Used by EVFILT_SIGNAL, and also
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* shared by EVFILT_PROC (all knotes attached to p->p_klist)
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*/
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#define NOTE_SIGNAL 0x08000000
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/*
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* Hint values for the optional f_touch event filter. If f_touch is not set
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* to NULL and f_isfd is zero the f_touch filter will be called with the type
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* argument set to EVENT_REGISTER during a kevent() system call. It is also
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* called under the same conditions with the type argument set to EVENT_PROCESS
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* when the event has been triggered.
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*/
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#define EVENT_REGISTER 1
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#define EVENT_PROCESS 2
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struct filterops {
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int f_isfd; /* true if ident == filedescriptor */
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int (*f_attach)(struct knote *kn);
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void (*f_detach)(struct knote *kn);
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int (*f_event)(struct knote *kn, long hint);
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void (*f_touch)(struct knote *kn, struct kevent *kev, u_long type);
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};
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/*
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* Setting the KN_INFLUX flag enables you to unlock the kq that this knote
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* is on, and modify kn_status as if you had the KQ lock.
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*
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* kn_sfflags, kn_sdata, and kn_kevent are protected by the knlist lock.
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*/
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struct knote {
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SLIST_ENTRY(knote) kn_link; /* for kq */
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SLIST_ENTRY(knote) kn_selnext; /* for struct selinfo */
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struct knlist *kn_knlist; /* f_attach populated */
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TAILQ_ENTRY(knote) kn_tqe;
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struct kqueue *kn_kq; /* which queue we are on */
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struct kevent kn_kevent;
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int kn_status; /* protected by kq lock */
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#define KN_ACTIVE 0x01 /* event has been triggered */
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#define KN_QUEUED 0x02 /* event is on queue */
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#define KN_DISABLED 0x04 /* event is disabled */
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#define KN_DETACHED 0x08 /* knote is detached */
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#define KN_INFLUX 0x10 /* knote is in flux */
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#define KN_MARKER 0x20 /* ignore this knote */
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#define KN_KQUEUE 0x40 /* this knote belongs to a kq */
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#define KN_HASKQLOCK 0x80 /* for _inevent */
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int kn_sfflags; /* saved filter flags */
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intptr_t kn_sdata; /* saved data field */
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union {
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struct file *p_fp; /* file data pointer */
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struct proc *p_proc; /* proc pointer */
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struct aiocblist *p_aio; /* AIO job pointer */
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struct aioliojob *p_lio; /* LIO job pointer */
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} kn_ptr;
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struct filterops *kn_fop;
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void *kn_hook;
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int kn_hookid;
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#define kn_id kn_kevent.ident
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#define kn_filter kn_kevent.filter
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#define kn_flags kn_kevent.flags
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#define kn_fflags kn_kevent.fflags
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#define kn_data kn_kevent.data
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#define kn_fp kn_ptr.p_fp
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};
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struct kevent_copyops {
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void *arg;
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int (*k_copyout)(void *arg, struct kevent *kevp, int count);
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int (*k_copyin)(void *arg, struct kevent *kevp, int count);
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};
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struct thread;
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struct proc;
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struct knlist;
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struct mtx;
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extern void knote(struct knlist *list, long hint, int lockflags);
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extern void knote_fork(struct knlist *list, int pid);
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extern void knlist_add(struct knlist *knl, struct knote *kn, int islocked);
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extern void knlist_remove(struct knlist *knl, struct knote *kn, int islocked);
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extern void knlist_remove_inevent(struct knlist *knl, struct knote *kn);
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extern int knlist_empty(struct knlist *knl);
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extern void knlist_init(struct knlist *knl, void *lock,
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void (*kl_lock)(void *), void (*kl_unlock)(void *),
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void (*kl_assert_locked)(void *), void (*kl_assert_unlocked)(void *));
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extern void knlist_init_mtx(struct knlist *knl, struct mtx *lock);
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extern void knlist_destroy(struct knlist *knl);
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extern void knlist_cleardel(struct knlist *knl, struct thread *td,
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int islocked, int killkn);
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#define knlist_clear(knl, islocked) \
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knlist_cleardel((knl), NULL, (islocked), 0)
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#define knlist_delete(knl, td, islocked) \
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knlist_cleardel((knl), (td), (islocked), 1)
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extern void knote_fdclose(struct thread *p, int fd);
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extern int kqfd_register(int fd, struct kevent *kev, struct thread *p,
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int waitok);
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extern int kqueue_add_filteropts(int filt, struct filterops *filtops);
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extern int kqueue_del_filteropts(int filt);
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#else /* !_KERNEL */
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#include <sys/cdefs.h>
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struct timespec;
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__BEGIN_DECLS
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int kqueue(void);
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int kevent(int kq, const struct kevent *changelist, int nchanges,
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struct kevent *eventlist, int nevents,
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const struct timespec *timeout);
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__END_DECLS
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#endif /* !_KERNEL */
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#endif /* !_SYS_EVENT_H_ */
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@@ -1,104 +0,0 @@
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/*-
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* Copyright (c) 1997 Peter Wemm <peter@freebsd.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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||||
* notice, this list of conditions and the following disclaimer.
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||||
* 2. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
||||
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#ifndef _SYS_POLL_H_
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#define _SYS_POLL_H_
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#include <sys/cdefs.h>
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/*
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* This file is intended to be compatible with the traditional poll.h.
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*/
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typedef unsigned int nfds_t;
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/*
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* This structure is passed as an array to poll(2).
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*/
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struct pollfd {
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int fd; /* which file descriptor to poll */
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short events; /* events we are interested in */
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short revents; /* events found on return */
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};
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/*
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* Requestable events. If poll(2) finds any of these set, they are
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* copied to revents on return.
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* XXX Note that FreeBSD doesn't make much distinction between POLLPRI
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* and POLLRDBAND since none of the file types have distinct priority
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* bands - and only some have an urgent "mode".
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* XXX Note POLLIN isn't really supported in true SVSV terms. Under SYSV
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* POLLIN includes all of normal, band and urgent data. Most poll handlers
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* on FreeBSD only treat it as "normal" data.
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*/
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#define POLLIN 0x0001 /* any readable data available */
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#define POLLPRI 0x0002 /* OOB/Urgent readable data */
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#define POLLOUT 0x0004 /* file descriptor is writeable */
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#define POLLRDNORM 0x0040 /* non-OOB/URG data available */
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#define POLLWRNORM POLLOUT /* no write type differentiation */
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#define POLLRDBAND 0x0080 /* OOB/Urgent readable data */
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#define POLLWRBAND 0x0100 /* OOB/Urgent data can be written */
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#if __BSD_VISIBLE
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/* General FreeBSD extension (currently only supported for sockets): */
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#define POLLINIGNEOF 0x2000 /* like POLLIN, except ignore EOF */
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#endif
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/*
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* These events are set if they occur regardless of whether they were
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* requested.
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*/
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#define POLLERR 0x0008 /* some poll error occurred */
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#define POLLHUP 0x0010 /* file descriptor was "hung up" */
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#define POLLNVAL 0x0020 /* requested events "invalid" */
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#if __BSD_VISIBLE
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#define POLLSTANDARD (POLLIN|POLLPRI|POLLOUT|POLLRDNORM|POLLRDBAND|\
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POLLWRBAND|POLLERR|POLLHUP|POLLNVAL)
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/*
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* Request that poll() wait forever.
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* XXX in SYSV, this is defined in stropts.h, which is not included
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* by poll.h.
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*/
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#define INFTIM (-1)
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#endif
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#ifndef _KERNEL
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__BEGIN_DECLS
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int poll(struct pollfd _pfd[], nfds_t _nfds, int _timeout);
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__END_DECLS
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#endif /* !_KERNEL */
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#endif /* !_SYS_POLL_H_ */
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