1 files changed, 0 insertions, 341 deletions
diff --git a/libs/tgl/libevent/poll.c b/libs/tgl/libevent/poll.c
deleted file mode 100644
index 51475934b3..0000000000
--- a/libs/tgl/libevent/poll.c
+++ /dev/null
@@ -1,341 +0,0 @@
-/*	$OpenBSD: poll.c,v 1.2 2002/06/25 15:50:15 mickey Exp $	*/
-
-/*
- * Copyright 2000-2007 Niels Provos <provos@citi.umich.edu>
- * Copyright 2007-2012 Niels Provos and 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"
-
-#ifdef EVENT__HAVE_POLL
-
-#include <sys/types.h>
-#ifdef EVENT__HAVE_SYS_TIME_H
-#include <sys/time.h>
-#endif
-#include <sys/queue.h>
-#include <poll.h>
-#include <signal.h>
-#include <limits.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-#include <errno.h>
-
-#include "event-internal.h"
-#include "evsignal-internal.h"
-#include "log-internal.h"
-#include "evmap-internal.h"
-#include "event2/thread.h"
-#include "evthread-internal.h"
-#include "time-internal.h"
-
-struct pollidx {
-	int idxplus1;
-};
-
-struct pollop {
-	int event_count;		/* Highest number alloc */
-	int nfds;			/* Highest number used */
-	int realloc_copy;		/* True iff we must realloc
-					 * event_set_copy */
-	struct pollfd *event_set;
-	struct pollfd *event_set_copy;
-};
-
-static void *poll_init(struct event_base *);
-static int poll_add(struct event_base *, int, short old, short events, void *idx);
-static int poll_del(struct event_base *, int, short old, short events, void *idx);
-static int poll_dispatch(struct event_base *, struct timeval *);
-static void poll_dealloc(struct event_base *);
-
-const struct eventop pollops = {
-	"poll",
-	poll_init,
-	poll_add,
-	poll_del,
-	poll_dispatch,
-	poll_dealloc,
-	0, /* doesn't need_reinit */
-	EV_FEATURE_FDS,
-	sizeof(struct pollidx),
-};
-
-static void *
-poll_init(struct event_base *base)
-{
-	struct pollop *pollop;
-
-	if (!(pollop = mm_calloc(1, sizeof(struct pollop))))
-		return (NULL);
-
-	evsig_init_(base);
-
-	evutil_weakrand_seed_(&base->weakrand_seed, 0);
-
-	return (pollop);
-}
-
-#ifdef CHECK_INVARIANTS
-static void
-poll_check_ok(struct pollop *pop)
-{
-	int i, idx;
-	struct event *ev;
-
-	for (i = 0; i < pop->fd_count; ++i) {
-		idx = pop->idxplus1_by_fd[i]-1;
-		if (idx < 0)
-			continue;
-		EVUTIL_ASSERT(pop->event_set[idx].fd == i);
-	}
-	for (i = 0; i < pop->nfds; ++i) {
-		struct pollfd *pfd = &pop->event_set[i];
-		EVUTIL_ASSERT(pop->idxplus1_by_fd[pfd->fd] == i+1);
-	}
-}
-#else
-#define poll_check_ok(pop)
-#endif
-
-static int
-poll_dispatch(struct event_base *base, struct timeval *tv)
-{
-	int res, i, j, nfds;
-	long msec = -1;
-	struct pollop *pop = base->evbase;
-	struct pollfd *event_set;
-
-	poll_check_ok(pop);
-
-	nfds = pop->nfds;
-
-#ifndef EVENT__DISABLE_THREAD_SUPPORT
-	if (base->th_base_lock) {
-		/* If we're using this backend in a multithreaded setting,
-		 * then we need to work on a copy of event_set, so that we can
-		 * let other threads modify the main event_set while we're
-		 * polling. If we're not multithreaded, then we'll skip the
-		 * copy step here to save memory and time. */
-		if (pop->realloc_copy) {
-			struct pollfd *tmp = mm_realloc(pop->event_set_copy,
-			    pop->event_count * sizeof(struct pollfd));
-			if (tmp == NULL) {
-				event_warn("realloc");
-				return -1;
-			}
-			pop->event_set_copy = tmp;
-			pop->realloc_copy = 0;
-		}
-		memcpy(pop->event_set_copy, pop->event_set,
-		    sizeof(struct pollfd)*nfds);
-		event_set = pop->event_set_copy;
-	} else {
-		event_set = pop->event_set;
-	}
-#else
-	event_set = pop->event_set;
-#endif
-
-	if (tv != NULL) {
-		msec = evutil_tv_to_msec_(tv);
-		if (msec < 0 || msec > INT_MAX)
-			msec = INT_MAX;
-	}
-
-	EVBASE_RELEASE_LOCK(base, th_base_lock);
-
-	res = poll(event_set, nfds, msec);
-
-	EVBASE_ACQUIRE_LOCK(base, th_base_lock);
-
-	if (res == -1) {
-		if (errno != EINTR) {
-			event_warn("poll");
-			return (-1);
-		}
-
-		return (0);
-	}
-
-	event_debug(("%s: poll reports %d", __func__, res));
-
-	if (res == 0 || nfds == 0)
-		return (0);
-
-	i = evutil_weakrand_range_(&base->weakrand_seed, nfds);
-	for (j = 0; j < nfds; j++) {
-		int what;
-		if (++i == nfds)
-			i = 0;
-		what = event_set[i].revents;
-		if (!what)
-			continue;
-
-		res = 0;
-
-		/* If the file gets closed notify */
-		if (what & (POLLHUP|POLLERR))
-			what |= POLLIN|POLLOUT;
-		if (what & POLLIN)
-			res |= EV_READ;
-		if (what & POLLOUT)
-			res |= EV_WRITE;
-		if (res == 0)
-			continue;
-
-		evmap_io_active_(base, event_set[i].fd, res);
-	}
-
-	return (0);
-}
-
-static int
-poll_add(struct event_base *base, int fd, short old, short events, void *idx_)
-{
-	struct pollop *pop = base->evbase;
-	struct pollfd *pfd = NULL;
-	struct pollidx *idx = idx_;
-	int i;
-
-	EVUTIL_ASSERT((events & EV_SIGNAL) == 0);
-	if (!(events & (EV_READ|EV_WRITE)))
-		return (0);
-
-	poll_check_ok(pop);
-	if (pop->nfds + 1 >= pop->event_count) {
-		struct pollfd *tmp_event_set;
-		int tmp_event_count;
-
-		if (pop->event_count < 32)
-			tmp_event_count = 32;
-		else
-			tmp_event_count = pop->event_count * 2;
-
-		/* We need more file descriptors */
-		tmp_event_set = mm_realloc(pop->event_set,
-				 tmp_event_count * sizeof(struct pollfd));
-		if (tmp_event_set == NULL) {
-			event_warn("realloc");
-			return (-1);
-		}
-		pop->event_set = tmp_event_set;
-
-		pop->event_count = tmp_event_count;
-		pop->realloc_copy = 1;
-	}
-
-	i = idx->idxplus1 - 1;
-
-	if (i >= 0) {
-		pfd = &pop->event_set[i];
-	} else {
-		i = pop->nfds++;
-		pfd = &pop->event_set[i];
-		pfd->events = 0;
-		pfd->fd = fd;
-		idx->idxplus1 = i + 1;
-	}
-
-	pfd->revents = 0;
-	if (events & EV_WRITE)
-		pfd->events |= POLLOUT;
-	if (events & EV_READ)
-		pfd->events |= POLLIN;
-	poll_check_ok(pop);
-
-	return (0);
-}
-
-/*
- * Nothing to be done here.
- */
-
-static int
-poll_del(struct event_base *base, int fd, short old, short events, void *idx_)
-{
-	struct pollop *pop = base->evbase;
-	struct pollfd *pfd = NULL;
-	struct pollidx *idx = idx_;
-	int i;
-
-	EVUTIL_ASSERT((events & EV_SIGNAL) == 0);
-	if (!(events & (EV_READ|EV_WRITE)))
-		return (0);
-
-	poll_check_ok(pop);
-	i = idx->idxplus1 - 1;
-	if (i < 0)
-		return (-1);
-
-	/* Do we still want to read or write? */
-	pfd = &pop->event_set[i];
-	if (events & EV_READ)
-		pfd->events &= ~POLLIN;
-	if (events & EV_WRITE)
-		pfd->events &= ~POLLOUT;
-	poll_check_ok(pop);
-	if (pfd->events)
-		/* Another event cares about that fd. */
-		return (0);
-
-	/* Okay, so we aren't interested in that fd anymore. */
-	idx->idxplus1 = 0;
-
-	--pop->nfds;
-	if (i != pop->nfds) {
-		/*
-		 * Shift the last pollfd down into the now-unoccupied
-		 * position.
-		 */
-		memcpy(&pop->event_set[i], &pop->event_set[pop->nfds],
-		       sizeof(struct pollfd));
-		idx = evmap_io_get_fdinfo_(&base->io, pop->event_set[i].fd);
-		EVUTIL_ASSERT(idx);
-		EVUTIL_ASSERT(idx->idxplus1 == pop->nfds + 1);
-		idx->idxplus1 = i + 1;
-	}
-
-	poll_check_ok(pop);
-	return (0);
-}
-
-static void
-poll_dealloc(struct event_base *base)
-{
-	struct pollop *pop = base->evbase;
-
-	evsig_dealloc_(base);
-	if (pop->event_set)
-		mm_free(pop->event_set);
-	if (pop->event_set_copy)
-		mm_free(pop->event_set_copy);
-
-	memset(pop, 0, sizeof(struct pollop));
-	mm_free(pop);
-}
-
-#endif /* EVENT__HAVE_POLL */