Adding upstream version 1.46.3.upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 0 insertions, 890 deletions

diff --git a/fluent-bit/lib/monkey/mk_core/deps/libevent/listener.c b/fluent-bit/lib/monkey/mk_core/deps/libevent/listener.c
deleted file mode 100644
index 2862d32e3..000000000
--- a/fluent-bit/lib/monkey/mk_core/deps/libevent/listener.c
+++ /dev/null
@@ -1,890 +0,0 @@
-/*
- * Copyright (c) 2009-2012 Niels Provos, Nick Mathewson
- *
- * 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.
- * 3. The name of the author may not be used to endorse or promote products
- *    derived from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 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.
- */
-
-#include "event2/event-config.h"
-#include "evconfig-private.h"
-
-#include <sys/types.h>
-
-#ifdef _WIN32
-#ifndef _WIN32_WINNT
-/* Minimum required for InitializeCriticalSectionAndSpinCount */
-#define _WIN32_WINNT 0x0403
-#endif
-#include <winsock2.h>
-#include <ws2tcpip.h>
-#include <mswsock.h>
-#endif
-#include <errno.h>
-#ifdef EVENT__HAVE_SYS_SOCKET_H
-#include <sys/socket.h>
-#endif
-#ifdef EVENT__HAVE_FCNTL_H
-#include <fcntl.h>
-#endif
-#ifdef EVENT__HAVE_UNISTD_H
-#include <unistd.h>
-#endif
-
-#include "event2/listener.h"
-#include "event2/util.h"
-#include "event2/event.h"
-#include "event2/event_struct.h"
-#include "mm-internal.h"
-#include "util-internal.h"
-#include "log-internal.h"
-#include "evthread-internal.h"
-#ifdef _WIN32
-#include "iocp-internal.h"
-#include "defer-internal.h"
-#include "event-internal.h"
-#endif
-
-struct evconnlistener_ops {
-	int (*enable)(struct evconnlistener *);
-	int (*disable)(struct evconnlistener *);
-	void (*destroy)(struct evconnlistener *);
-	void (*shutdown)(struct evconnlistener *);
-	evutil_socket_t (*getfd)(struct evconnlistener *);
-	struct event_base *(*getbase)(struct evconnlistener *);
-};
-
-struct evconnlistener {
-	const struct evconnlistener_ops *ops;
-	void *lock;
-	evconnlistener_cb cb;
-	evconnlistener_errorcb errorcb;
-	void *user_data;
-	unsigned flags;
-	short refcnt;
-	int accept4_flags;
-	unsigned enabled : 1;
-};
-
-struct evconnlistener_event {
-	struct evconnlistener base;
-	struct event listener;
-};
-
-#ifdef _WIN32
-struct evconnlistener_iocp {
-	struct evconnlistener base;
-	evutil_socket_t fd;
-	struct event_base *event_base;
-	struct event_iocp_port *port;
-	short n_accepting;
-	unsigned shutting_down : 1;
-	unsigned event_added : 1;
-	struct accepting_socket **accepting;
-};
-#endif
-
-#define LOCK(listener) EVLOCK_LOCK((listener)->lock, 0)
-#define UNLOCK(listener) EVLOCK_UNLOCK((listener)->lock, 0)
-
-struct evconnlistener *
-evconnlistener_new_async(struct event_base *base,
-    evconnlistener_cb cb, void *ptr, unsigned flags, int backlog,
-    evutil_socket_t fd); /* XXXX export this? */
-
-static int event_listener_enable(struct evconnlistener *);
-static int event_listener_disable(struct evconnlistener *);
-static void event_listener_destroy(struct evconnlistener *);
-static evutil_socket_t event_listener_getfd(struct evconnlistener *);
-static struct event_base *event_listener_getbase(struct evconnlistener *);
-
-#if 0
-static void
-listener_incref_and_lock(struct evconnlistener *listener)
-{
-	LOCK(listener);
-	++listener->refcnt;
-}
-#endif
-
-static int
-listener_decref_and_unlock(struct evconnlistener *listener)
-{
-	int refcnt = --listener->refcnt;
-	if (refcnt == 0) {
-		listener->ops->destroy(listener);
-		UNLOCK(listener);
-		EVTHREAD_FREE_LOCK(listener->lock, EVTHREAD_LOCKTYPE_RECURSIVE);
-		mm_free(listener);
-		return 1;
-	} else {
-		UNLOCK(listener);
-		return 0;
-	}
-}
-
-static const struct evconnlistener_ops evconnlistener_event_ops = {
-	event_listener_enable,
-	event_listener_disable,
-	event_listener_destroy,
-	NULL, /* shutdown */
-	event_listener_getfd,
-	event_listener_getbase
-};
-
-static void listener_read_cb(evutil_socket_t, short, void *);
-
-struct evconnlistener *
-evconnlistener_new(struct event_base *base,
-    evconnlistener_cb cb, void *ptr, unsigned flags, int backlog,
-    evutil_socket_t fd)
-{
-	struct evconnlistener_event *lev;
-
-#ifdef _WIN32
-	if (base && event_base_get_iocp_(base)) {
-		const struct win32_extension_fns *ext =
-			event_get_win32_extension_fns_();
-		if (ext->AcceptEx && ext->GetAcceptExSockaddrs)
-			return evconnlistener_new_async(base, cb, ptr, flags,
-				backlog, fd);
-	}
-#endif
-
-	if (backlog > 0) {
-		if (listen(fd, backlog) < 0)
-			return NULL;
-	} else if (backlog < 0) {
-		if (listen(fd, 128) < 0)
-			return NULL;
-	}
-
-	lev = mm_calloc(1, sizeof(struct evconnlistener_event));
-	if (!lev)
-		return NULL;
-
-	lev->base.ops = &evconnlistener_event_ops;
-	lev->base.cb = cb;
-	lev->base.user_data = ptr;
-	lev->base.flags = flags;
-	lev->base.refcnt = 1;
-
-	lev->base.accept4_flags = 0;
-	if (!(flags & LEV_OPT_LEAVE_SOCKETS_BLOCKING))
-		lev->base.accept4_flags |= EVUTIL_SOCK_NONBLOCK;
-	if (flags & LEV_OPT_CLOSE_ON_EXEC)
-		lev->base.accept4_flags |= EVUTIL_SOCK_CLOEXEC;
-
-	if (flags & LEV_OPT_THREADSAFE) {
-		EVTHREAD_ALLOC_LOCK(lev->base.lock, EVTHREAD_LOCKTYPE_RECURSIVE);
-	}
-
-	event_assign(&lev->listener, base, fd, EV_READ|EV_PERSIST,
-	    listener_read_cb, lev);
-
-	if (!(flags & LEV_OPT_DISABLED))
-	    evconnlistener_enable(&lev->base);
-
-	return &lev->base;
-}
-
-struct evconnlistener *
-evconnlistener_new_bind(struct event_base *base, evconnlistener_cb cb,
-    void *ptr, unsigned flags, int backlog, const struct sockaddr *sa,
-    int socklen)
-{
-	struct evconnlistener *listener;
-	evutil_socket_t fd;
-	int on = 1;
-	int family = sa ? sa->sa_family : AF_UNSPEC;
-	int socktype = SOCK_STREAM | EVUTIL_SOCK_NONBLOCK;
-
-	if (backlog == 0)
-		return NULL;
-
-	if (flags & LEV_OPT_CLOSE_ON_EXEC)
-		socktype |= EVUTIL_SOCK_CLOEXEC;
-
-	fd = evutil_socket_(family, socktype, 0);
-	if (fd == -1)
-		return NULL;
-
-	if (setsockopt(fd, SOL_SOCKET, SO_KEEPALIVE, (void*)&on, sizeof(on))<0)
-		goto err;
-
-	if (flags & LEV_OPT_REUSEABLE) {
-		if (evutil_make_listen_socket_reuseable(fd) < 0)
-			goto err;
-	}
-
-	if (flags & LEV_OPT_REUSEABLE_PORT) {
-		if (evutil_make_listen_socket_reuseable_port(fd) < 0)
-			goto err;
-	}
-
-	if (flags & LEV_OPT_DEFERRED_ACCEPT) {
-		if (evutil_make_tcp_listen_socket_deferred(fd) < 0)
-			goto err;
-	}
-
-	if (sa) {
-		if (bind(fd, sa, socklen)<0)
-			goto err;
-	}
-
-	listener = evconnlistener_new(base, cb, ptr, flags, backlog, fd);
-	if (!listener)
-		goto err;
-
-	return listener;
-err:
-	evutil_closesocket(fd);
-	return NULL;
-}
-
-void
-evconnlistener_free(struct evconnlistener *lev)
-{
-	LOCK(lev);
-	lev->cb = NULL;
-	lev->errorcb = NULL;
-	if (lev->ops->shutdown)
-		lev->ops->shutdown(lev);
-	listener_decref_and_unlock(lev);
-}
-
-static void
-event_listener_destroy(struct evconnlistener *lev)
-{
-	struct evconnlistener_event *lev_e =
-	    EVUTIL_UPCAST(lev, struct evconnlistener_event, base);
-
-	event_del(&lev_e->listener);
-	if (lev->flags & LEV_OPT_CLOSE_ON_FREE)
-		evutil_closesocket(event_get_fd(&lev_e->listener));
-	event_debug_unassign(&lev_e->listener);
-}
-
-int
-evconnlistener_enable(struct evconnlistener *lev)
-{
-	int r;
-	LOCK(lev);
-	lev->enabled = 1;
-	if (lev->cb)
-		r = lev->ops->enable(lev);
-	else
-		r = 0;
-	UNLOCK(lev);
-	return r;
-}
-
-int
-evconnlistener_disable(struct evconnlistener *lev)
-{
-	int r;
-	LOCK(lev);
-	lev->enabled = 0;
-	r = lev->ops->disable(lev);
-	UNLOCK(lev);
-	return r;
-}
-
-static int
-event_listener_enable(struct evconnlistener *lev)
-{
-	struct evconnlistener_event *lev_e =
-	    EVUTIL_UPCAST(lev, struct evconnlistener_event, base);
-	return event_add(&lev_e->listener, NULL);
-}
-
-static int
-event_listener_disable(struct evconnlistener *lev)
-{
-	struct evconnlistener_event *lev_e =
-	    EVUTIL_UPCAST(lev, struct evconnlistener_event, base);
-	return event_del(&lev_e->listener);
-}
-
-evutil_socket_t
-evconnlistener_get_fd(struct evconnlistener *lev)
-{
-	evutil_socket_t fd;
-	LOCK(lev);
-	fd = lev->ops->getfd(lev);
-	UNLOCK(lev);
-	return fd;
-}
-
-static evutil_socket_t
-event_listener_getfd(struct evconnlistener *lev)
-{
-	struct evconnlistener_event *lev_e =
-	    EVUTIL_UPCAST(lev, struct evconnlistener_event, base);
-	return event_get_fd(&lev_e->listener);
-}
-
-struct event_base *
-evconnlistener_get_base(struct evconnlistener *lev)
-{
-	struct event_base *base;
-	LOCK(lev);
-	base = lev->ops->getbase(lev);
-	UNLOCK(lev);
-	return base;
-}
-
-static struct event_base *
-event_listener_getbase(struct evconnlistener *lev)
-{
-	struct evconnlistener_event *lev_e =
-	    EVUTIL_UPCAST(lev, struct evconnlistener_event, base);
-	return event_get_base(&lev_e->listener);
-}
-
-void
-evconnlistener_set_cb(struct evconnlistener *lev,
-    evconnlistener_cb cb, void *arg)
-{
-	int enable = 0;
-	LOCK(lev);
-	if (lev->enabled && !lev->cb)
-		enable = 1;
-	lev->cb = cb;
-	lev->user_data = arg;
-	if (enable)
-		evconnlistener_enable(lev);
-	UNLOCK(lev);
-}
-
-void
-evconnlistener_set_error_cb(struct evconnlistener *lev,
-    evconnlistener_errorcb errorcb)
-{
-	LOCK(lev);
-	lev->errorcb = errorcb;
-	UNLOCK(lev);
-}
-
-static void
-listener_read_cb(evutil_socket_t fd, short what, void *p)
-{
-	struct evconnlistener *lev = p;
-	int err;
-	evconnlistener_cb cb;
-	evconnlistener_errorcb errorcb;
-	void *user_data;
-	LOCK(lev);
-	while (1) {
-		struct sockaddr_storage ss;
-		ev_socklen_t socklen = sizeof(ss);
-		evutil_socket_t new_fd = evutil_accept4_(fd, (struct sockaddr*)&ss, &socklen, lev->accept4_flags);
-		if (new_fd < 0)
-			break;
-		if (socklen == 0) {
-			/* This can happen with some older linux kernels in
-			 * response to nmap. */
-			evutil_closesocket(new_fd);
-			continue;
-		}
-
-		if (lev->cb == NULL) {
-			evutil_closesocket(new_fd);
-			UNLOCK(lev);
-			return;
-		}
-		++lev->refcnt;
-		cb = lev->cb;
-		user_data = lev->user_data;
-		UNLOCK(lev);
-		cb(lev, new_fd, (struct sockaddr*)&ss, (int)socklen,
-		    user_data);
-		LOCK(lev);
-		if (lev->refcnt == 1) {
-			int freed = listener_decref_and_unlock(lev);
-			EVUTIL_ASSERT(freed);
-
-			evutil_closesocket(new_fd);
-			return;
-		}
-		--lev->refcnt;
-	}
-	err = evutil_socket_geterror(fd);
-	if (EVUTIL_ERR_ACCEPT_RETRIABLE(err)) {
-		UNLOCK(lev);
-		return;
-	}
-	if (lev->errorcb != NULL) {
-		++lev->refcnt;
-		errorcb = lev->errorcb;
-		user_data = lev->user_data;
-		UNLOCK(lev);
-		errorcb(lev, user_data);
-		LOCK(lev);
-		listener_decref_and_unlock(lev);
-	} else {
-		event_sock_warn(fd, "Error from accept() call");
-		UNLOCK(lev);
-	}
-}
-
-#ifdef _WIN32
-struct accepting_socket {
-	CRITICAL_SECTION lock;
-	struct event_overlapped overlapped;
-	SOCKET s;
-	int error;
-	struct event_callback deferred;
-	struct evconnlistener_iocp *lev;
-	ev_uint8_t buflen;
-	ev_uint8_t family;
-	unsigned free_on_cb:1;
-	char addrbuf[1];
-};
-
-static void accepted_socket_cb(struct event_overlapped *o, ev_uintptr_t key,
-    ev_ssize_t n, int ok);
-static void accepted_socket_invoke_user_cb(struct event_callback *cb, void *arg);
-
-static void
-iocp_listener_event_add(struct evconnlistener_iocp *lev)
-{
-	if (lev->event_added)
-		return;
-
-	lev->event_added = 1;
-	event_base_add_virtual_(lev->event_base);
-}
-
-static void
-iocp_listener_event_del(struct evconnlistener_iocp *lev)
-{
-	if (!lev->event_added)
-		return;
-
-	lev->event_added = 0;
-	event_base_del_virtual_(lev->event_base);
-}
-
-static struct accepting_socket *
-new_accepting_socket(struct evconnlistener_iocp *lev, int family)
-{
-	struct accepting_socket *res;
-	int addrlen;
-	int buflen;
-
-	if (family == AF_INET)
-		addrlen = sizeof(struct sockaddr_in);
-	else if (family == AF_INET6)
-		addrlen = sizeof(struct sockaddr_in6);
-	else
-		return NULL;
-	buflen = (addrlen+16)*2;
-
-	res = mm_calloc(1,sizeof(struct accepting_socket)-1+buflen);
-	if (!res)
-		return NULL;
-
-	event_overlapped_init_(&res->overlapped, accepted_socket_cb);
-	res->s = INVALID_SOCKET;
-	res->lev = lev;
-	res->buflen = buflen;
-	res->family = family;
-
-	event_deferred_cb_init_(&res->deferred,
-	    event_base_get_npriorities(lev->event_base) / 2,
-	    accepted_socket_invoke_user_cb, res);
-
-	InitializeCriticalSectionAndSpinCount(&res->lock, 1000);
-
-	return res;
-}
-
-static void
-free_and_unlock_accepting_socket(struct accepting_socket *as)
-{
-	/* requires lock. */
-	if (as->s != INVALID_SOCKET)
-		closesocket(as->s);
-
-	LeaveCriticalSection(&as->lock);
-	DeleteCriticalSection(&as->lock);
-	mm_free(as);
-}
-
-static int
-start_accepting(struct accepting_socket *as)
-{
-	/* requires lock */
-	const struct win32_extension_fns *ext = event_get_win32_extension_fns_();
-	DWORD pending = 0;
-	SOCKET s = socket(as->family, SOCK_STREAM, 0);
-	int error = 0;
-
-	if (!as->lev->base.enabled)
-		return 0;
-
-	if (s == INVALID_SOCKET) {
-		error = WSAGetLastError();
-		goto report_err;
-	}
-
-	/* XXXX It turns out we need to do this again later.  Does this call
-	 * have any effect? */
-	setsockopt(s, SOL_SOCKET, SO_UPDATE_ACCEPT_CONTEXT,
-	    (char *)&as->lev->fd, sizeof(&as->lev->fd));
-
-	if (!(as->lev->base.flags & LEV_OPT_LEAVE_SOCKETS_BLOCKING))
-		evutil_make_socket_nonblocking(s);
-
-	if (event_iocp_port_associate_(as->lev->port, s, 1) < 0) {
-		closesocket(s);
-		return -1;
-	}
-
-	as->s = s;
-
-	if (ext->AcceptEx(as->lev->fd, s, as->addrbuf, 0,
-		as->buflen/2, as->buflen/2, &pending, &as->overlapped.overlapped))
-	{
-		/* Immediate success! */
-		accepted_socket_cb(&as->overlapped, 1, 0, 1);
-	} else {
-		error = WSAGetLastError();
-		if (error != ERROR_IO_PENDING) {
-			goto report_err;
-		}
-	}
-
-	return 0;
-
-report_err:
-	as->error = error;
-	event_deferred_cb_schedule_(
-		as->lev->event_base,
-		&as->deferred);
-	return 0;
-}
-
-static void
-stop_accepting(struct accepting_socket *as)
-{
-	/* requires lock. */
-	SOCKET s = as->s;
-	as->s = INVALID_SOCKET;
-	closesocket(s);
-}
-
-static void
-accepted_socket_invoke_user_cb(struct event_callback *dcb, void *arg)
-{
-	struct accepting_socket *as = arg;
-
-	struct sockaddr *sa_local=NULL, *sa_remote=NULL;
-	int socklen_local=0, socklen_remote=0;
-	const struct win32_extension_fns *ext = event_get_win32_extension_fns_();
-	struct evconnlistener *lev = &as->lev->base;
-	evutil_socket_t sock=-1;
-	void *data;
-	evconnlistener_cb cb=NULL;
-	evconnlistener_errorcb errorcb=NULL;
-	int error;
-
-	EVUTIL_ASSERT(ext->GetAcceptExSockaddrs);
-
-	LOCK(lev);
-	EnterCriticalSection(&as->lock);
-	if (as->free_on_cb) {
-		free_and_unlock_accepting_socket(as);
-		listener_decref_and_unlock(lev);
-		return;
-	}
-
-	++lev->refcnt;
-
-	error = as->error;
-	if (error) {
-		as->error = 0;
-		errorcb = lev->errorcb;
-	} else {
-		ext->GetAcceptExSockaddrs(
-			as->addrbuf, 0, as->buflen/2, as->buflen/2,
-			&sa_local, &socklen_local, &sa_remote,
-			&socklen_remote);
-		sock = as->s;
-		cb = lev->cb;
-		as->s = INVALID_SOCKET;
-
-		/* We need to call this so getsockname, getpeername, and
-		 * shutdown work correctly on the accepted socket. */
-		/* XXXX handle error? */
-		setsockopt(sock, SOL_SOCKET, SO_UPDATE_ACCEPT_CONTEXT,
-		    (char *)&as->lev->fd, sizeof(&as->lev->fd));
-	}
-	data = lev->user_data;
-
-	LeaveCriticalSection(&as->lock);
-	UNLOCK(lev);
-
-	if (errorcb) {
-		WSASetLastError(error);
-		errorcb(lev, data);
-	} else if (cb) {
-		cb(lev, sock, sa_remote, socklen_remote, data);
-	}
-
-	LOCK(lev);
-	if (listener_decref_and_unlock(lev))
-		return;
-
-	EnterCriticalSection(&as->lock);
-	start_accepting(as);
-	LeaveCriticalSection(&as->lock);
-}
-
-static void
-accepted_socket_cb(struct event_overlapped *o, ev_uintptr_t key, ev_ssize_t n, int ok)
-{
-	struct accepting_socket *as =
-	    EVUTIL_UPCAST(o, struct accepting_socket, overlapped);
-
-	LOCK(&as->lev->base);
-	EnterCriticalSection(&as->lock);
-	if (ok) {
-		/* XXXX Don't do this if some EV_MT flag is set. */
-		event_deferred_cb_schedule_(
-			as->lev->event_base,
-			&as->deferred);
-		LeaveCriticalSection(&as->lock);
-	} else if (as->free_on_cb) {
-		struct evconnlistener *lev = &as->lev->base;
-		free_and_unlock_accepting_socket(as);
-		listener_decref_and_unlock(lev);
-		return;
-	} else if (as->s == INVALID_SOCKET) {
-		/* This is okay; we were disabled by iocp_listener_disable. */
-		LeaveCriticalSection(&as->lock);
-	} else {
-		/* Some error on accept that we couldn't actually handle. */
-		BOOL ok;
-		DWORD transfer = 0, flags=0;
-		event_sock_warn(as->s, "Unexpected error on AcceptEx");
-		ok = WSAGetOverlappedResult(as->s, &o->overlapped,
-		    &transfer, FALSE, &flags);
-		if (ok) {
-			/* well, that was confusing! */
-			as->error = 1;
-		} else {
-			as->error = WSAGetLastError();
-		}
-		event_deferred_cb_schedule_(
-			as->lev->event_base,
-			&as->deferred);
-		LeaveCriticalSection(&as->lock);
-	}
-	UNLOCK(&as->lev->base);
-}
-
-static int
-iocp_listener_enable(struct evconnlistener *lev)
-{
-	int i;
-	struct evconnlistener_iocp *lev_iocp =
-	    EVUTIL_UPCAST(lev, struct evconnlistener_iocp, base);
-
-	LOCK(lev);
-	iocp_listener_event_add(lev_iocp);
-	for (i = 0; i < lev_iocp->n_accepting; ++i) {
-		struct accepting_socket *as = lev_iocp->accepting[i];
-		if (!as)
-			continue;
-		EnterCriticalSection(&as->lock);
-		if (!as->free_on_cb && as->s == INVALID_SOCKET)
-			start_accepting(as);
-		LeaveCriticalSection(&as->lock);
-	}
-	UNLOCK(lev);
-	return 0;
-}
-
-static int
-iocp_listener_disable_impl(struct evconnlistener *lev, int shutdown)
-{
-	int i;
-	struct evconnlistener_iocp *lev_iocp =
-	    EVUTIL_UPCAST(lev, struct evconnlistener_iocp, base);
-
-	LOCK(lev);
-	iocp_listener_event_del(lev_iocp);
-	for (i = 0; i < lev_iocp->n_accepting; ++i) {
-		struct accepting_socket *as = lev_iocp->accepting[i];
-		if (!as)
-			continue;
-		EnterCriticalSection(&as->lock);
-		if (!as->free_on_cb && as->s != INVALID_SOCKET) {
-			if (shutdown)
-				as->free_on_cb = 1;
-			stop_accepting(as);
-		}
-		LeaveCriticalSection(&as->lock);
-	}
-
-	if (shutdown && lev->flags & LEV_OPT_CLOSE_ON_FREE)
-		evutil_closesocket(lev_iocp->fd);
-
-	UNLOCK(lev);
-	return 0;
-}
-
-static int
-iocp_listener_disable(struct evconnlistener *lev)
-{
-	return iocp_listener_disable_impl(lev,0);
-}
-
-static void
-iocp_listener_destroy(struct evconnlistener *lev)
-{
-	struct evconnlistener_iocp *lev_iocp =
-	    EVUTIL_UPCAST(lev, struct evconnlistener_iocp, base);
-
-	if (! lev_iocp->shutting_down) {
-		lev_iocp->shutting_down = 1;
-		iocp_listener_disable_impl(lev,1);
-	}
-
-}
-
-static evutil_socket_t
-iocp_listener_getfd(struct evconnlistener *lev)
-{
-	struct evconnlistener_iocp *lev_iocp =
-	    EVUTIL_UPCAST(lev, struct evconnlistener_iocp, base);
-	return lev_iocp->fd;
-}
-static struct event_base *
-iocp_listener_getbase(struct evconnlistener *lev)
-{
-	struct evconnlistener_iocp *lev_iocp =
-	    EVUTIL_UPCAST(lev, struct evconnlistener_iocp, base);
-	return lev_iocp->event_base;
-}
-
-static const struct evconnlistener_ops evconnlistener_iocp_ops = {
-	iocp_listener_enable,
-	iocp_listener_disable,
-	iocp_listener_destroy,
-	iocp_listener_destroy, /* shutdown */
-	iocp_listener_getfd,
-	iocp_listener_getbase
-};
-
-/* XXX define some way to override this. */
-#define N_SOCKETS_PER_LISTENER 4
-
-struct evconnlistener *
-evconnlistener_new_async(struct event_base *base,
-    evconnlistener_cb cb, void *ptr, unsigned flags, int backlog,
-    evutil_socket_t fd)
-{
-	struct sockaddr_storage ss;
-	int socklen = sizeof(ss);
-	struct evconnlistener_iocp *lev;
-	int i;
-
-	flags |= LEV_OPT_THREADSAFE;
-
-	if (!base || !event_base_get_iocp_(base))
-		goto err;
-
-	/* XXXX duplicate code */
-	if (backlog > 0) {
-		if (listen(fd, backlog) < 0)
-			goto err;
-	} else if (backlog < 0) {
-		if (listen(fd, 128) < 0)
-			goto err;
-	}
-	if (getsockname(fd, (struct sockaddr*)&ss, &socklen)) {
-		event_sock_warn(fd, "getsockname");
-		goto err;
-	}
-	lev = mm_calloc(1, sizeof(struct evconnlistener_iocp));
-	if (!lev) {
-		event_warn("calloc");
-		goto err;
-	}
-	lev->base.ops = &evconnlistener_iocp_ops;
-	lev->base.cb = cb;
-	lev->base.user_data = ptr;
-	lev->base.flags = flags;
-	lev->base.refcnt = 1;
-	lev->base.enabled = 1;
-
-	lev->port = event_base_get_iocp_(base);
-	lev->fd = fd;
-	lev->event_base = base;
-
-
-	if (event_iocp_port_associate_(lev->port, fd, 1) < 0)
-		goto err_free_lev;
-
-	EVTHREAD_ALLOC_LOCK(lev->base.lock, EVTHREAD_LOCKTYPE_RECURSIVE);
-
-	lev->n_accepting = N_SOCKETS_PER_LISTENER;
-	lev->accepting = mm_calloc(lev->n_accepting,
-	    sizeof(struct accepting_socket *));
-	if (!lev->accepting) {
-		event_warn("calloc");
-		goto err_delete_lock;
-	}
-	for (i = 0; i < lev->n_accepting; ++i) {
-		lev->accepting[i] = new_accepting_socket(lev, ss.ss_family);
-		if (!lev->accepting[i]) {
-			event_warnx("Couldn't create accepting socket");
-			goto err_free_accepting;
-		}
-		if (cb && start_accepting(lev->accepting[i]) < 0) {
-			event_warnx("Couldn't start accepting on socket");
-			EnterCriticalSection(&lev->accepting[i]->lock);
-			free_and_unlock_accepting_socket(lev->accepting[i]);
-			goto err_free_accepting;
-		}
-		++lev->base.refcnt;
-	}
-
-	iocp_listener_event_add(lev);
-
-	return &lev->base;
-
-err_free_accepting:
-	mm_free(lev->accepting);
-	/* XXXX free the other elements. */
-err_delete_lock:
-	EVTHREAD_FREE_LOCK(lev->base.lock, EVTHREAD_LOCKTYPE_RECURSIVE);
-err_free_lev:
-	mm_free(lev);
-err:
-	/* Don't close the fd, it is caller's responsibility. */
-	return NULL;
-}
-
-#endif