1 files changed, 0 insertions, 205 deletions
diff --git a/src/common/fdset_epoll.c b/src/common/fdset_epoll.c
deleted file mode 100644
index f889dd3..0000000
--- a/src/common/fdset_epoll.c
+++ /dev/null
@@ -1,205 +0,0 @@
-/*  Copyright (C) 2011 CZ.NIC, z.s.p.o. <knot-dns@labs.nic.cz>
-
-    This program is free software: you can redistribute it and/or modify
-    it under the terms of the GNU General Public License as published by
-    the Free Software Foundation, either version 3 of the License, or
-    (at your option) any later version.
-
-    This program is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU General Public License for more details.
-
-    You should have received a copy of the GNU General Public License
-    along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-
-#include <config.h>
-
-#ifdef HAVE_EPOLL_WAIT
-
-#include <sys/epoll.h>
-#include <string.h>
-#include <stdlib.h>
-#include <unistd.h>
-
-#include "fdset_epoll.h"
-#include "skip-list.h"
-
-#define OS_FDS_CHUNKSIZE 8   /*!< Number of pollfd structs in a chunk. */
-
-struct fdset_t {
-	fdset_base_t _base;
-	int epfd;
-	struct epoll_event *events;
-	size_t nfds;
-	size_t reserved;
-	size_t polled;
-};
-
-fdset_t *fdset_epoll_new()
-{
-	fdset_t *set = malloc(sizeof(fdset_t));
-	if (set) {
-		/* Blank memory. */
-		memset(set, 0, sizeof(fdset_t));
-
-		/* Create epoll fd. */
-		set->epfd = epoll_create(OS_FDS_CHUNKSIZE);
-	}
-
-	return set;
-}
-
-int fdset_epoll_destroy(fdset_t * fdset)
-{
-	if(fdset == NULL) {
-		return -1;
-	}
-
-	/* Teardown epoll. */
-	close(fdset->epfd);
-
-	/* OK if NULL. */
-	free(fdset->events);
-	free(fdset);
-	return 0;
-}
-
-int fdset_epoll_add(fdset_t *fdset, int fd, int events)
-{
-	if (fdset == NULL || fd < 0 || events <= 0) {
-		return -1;
-	}
-
-	/* Realloc needed. */
-	if (mreserve((char **)&fdset->events, sizeof(struct epoll_event),
-	             fdset->nfds + 1, OS_FDS_CHUNKSIZE, &fdset->reserved) < 0) {
-		return -1;
-	}
-
-	/* Add to epoll set. */
-	struct epoll_event ev;
-	memset(&ev, 0, sizeof(struct epoll_event));
-	ev.events = EPOLLIN;
-	ev.data.fd = fd;
-	if (epoll_ctl(fdset->epfd, EPOLL_CTL_ADD, fd, &ev) < 0) {
-		return -1;
-	}
-
-	++fdset->nfds;
-	return 0;
-}
-
-int fdset_epoll_remove(fdset_t *fdset, int fd)
-{
-	if (fdset == NULL || fd < 0) {
-		return -1;
-	}
-
-	/* Attempt to remove from set. */
-	struct epoll_event ev;
-	memset(&ev, 0, sizeof(struct epoll_event));
-	if (epoll_ctl(fdset->epfd, EPOLL_CTL_DEL, fd, &ev) < 0) {
-		return -1;
-	}
-
-	/* Overwrite current item. */
-	--fdset->nfds;
-
-	/* Trim excessive memory if possible (retval is not interesting). */
-	mreserve((char **)&fdset->events, sizeof(struct epoll_event),
-	         fdset->nfds + 1, OS_FDS_CHUNKSIZE, &fdset->reserved);
-
-	return 0;
-}
-
-int fdset_epoll_wait(fdset_t *fdset, int timeout)
-{
-	if (fdset == NULL || fdset->nfds < 1 || fdset->events == NULL) {
-		return -1;
-	}
-
-	/* Poll new events. */
-	fdset->polled = 0;
-	int nfds = epoll_wait(fdset->epfd, fdset->events, fdset->nfds, timeout);
-
-	/* Check. */
-	if (nfds < 0) {
-		return -1;
-	}
-
-	/* Events array is ordered from 0 to nfds. */
-	fdset->polled = nfds;
-	return nfds;
-}
-
-int fdset_epoll_begin(fdset_t *fdset, fdset_it_t *it)
-{
-	if (fdset == NULL || it == NULL) {
-		return -1;
-	}
-
-	/* Find first. */
-	it->pos = 0;
-	return fdset_next(fdset, it);
-}
-
-int fdset_epoll_end(fdset_t *fdset, fdset_it_t *it)
-{
-	if (fdset == NULL || it == NULL || fdset->nfds < 1) {
-		return -1;
-	}
-
-	/* Check for polled events. */
-	if (fdset->polled < 1) {
-		it->fd = -1;
-		it->pos = 0;
-		return -1;
-	}
-
-	/* No end found, ends on the beginning. */
-	size_t nid = fdset->polled - 1;
-	it->fd = fdset->events[nid].data.fd;
-	it->pos = nid;
-	it->events = 0;
-	return -1;
-}
-
-int fdset_epoll_next(fdset_t *fdset, fdset_it_t *it)
-{
-	if (fdset == NULL || it == NULL || fdset->nfds < 1) {
-		return -1;
-	}
-
-	/* Check boundaries. */
-	if (it->pos >= fdset->polled || it->pos >= fdset->nfds) {
-		return -1;
-	}
-
-	/* Select next. */
-	size_t nid = it->pos++;
-	it->fd = fdset->events[nid].data.fd;
-	it->events = 0;
-	return 0;
-}
-
-const char* fdset_epoll_method()
-{
-	return "epoll";
-}
-
-/* Package APIs. */
-struct fdset_backend_t FDSET_EPOLL = {
-	.fdset_new = fdset_epoll_new,
-	.fdset_destroy = fdset_epoll_destroy,
-	.fdset_add = fdset_epoll_add,
-	.fdset_remove = fdset_epoll_remove,
-	.fdset_wait = fdset_epoll_wait,
-	.fdset_begin = fdset_epoll_begin,
-	.fdset_end = fdset_epoll_end,
-	.fdset_next = fdset_epoll_next,
-	.fdset_method = fdset_epoll_method
-};
-
-#endif