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-rw-r--r--test/packetdrill/epoll.c55
1 files changed, 55 insertions, 0 deletions
diff --git a/test/packetdrill/epoll.c b/test/packetdrill/epoll.c
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+/*
+ * Copyright 2017 Google Inc.
+ *
+ * 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 2
+ * 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, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ */
+/*
+ * Author: weiwan@google.com (Wei Wang)
+ *
+ * Implementation for the epoll fd related state and logic.
+ */
+
+#include "epoll.h"
+
+#include <stdlib.h>
+#include <string.h>
+#include "run.h"
+
+void epoll_free(struct epoll *epoll)
+{
+ memset(epoll, 0, sizeof(*epoll));
+ free(epoll);
+}
+
+void epoll_close(struct state *state, struct fd_state *fd)
+{
+ epoll_free(fd_to_epoll(fd));
+}
+
+/* Global info about epoll descriptors that point to epolls. */
+struct fd_ops epoll_ops = {
+ .type = FD_EPOLL,
+ .close = epoll_close,
+};
+
+struct epoll *epoll_new(struct state *state)
+{
+ struct epoll *epoll = calloc(1, sizeof(struct epoll));
+
+ epoll->fd.ops = &epoll_ops;
+ state_add_fd(state, to_fd(epoll));
+ return epoll;
+}