--- /dev/null
+/*
+ *
+ * Copyright 2016 gRPC authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
+#ifndef GRPC_CORE_LIB_IOMGR_TIMER_GENERIC_H
+#define GRPC_CORE_LIB_IOMGR_TIMER_GENERIC_H
+
+#include <grpc/support/port_platform.h>
+
+#include <grpc/support/time.h>
+#include "src/core/lib/iomgr/exec_ctx.h"
+
+struct grpc_timer {
+ gpr_atm deadline;
+ uint32_t heap_index; /* INVALID_HEAP_INDEX if not in heap */
+ bool pending;
+ struct grpc_timer* next;
+ struct grpc_timer* prev;
+ grpc_closure* closure;
+#ifndef NDEBUG
+ struct grpc_timer* hash_table_next;
+#endif
+};
+
+#endif /* GRPC_CORE_LIB_IOMGR_TIMER_GENERIC_H */