--- /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.
+ *
+ */
+
+#include <grpc/support/port_platform.h>
+
+#include <grpc/support/alloc.h>
+#include <grpc/support/log.h>
+
+#include "src/core/lib/iomgr/polling_entity.h"
+
+grpc_polling_entity grpc_polling_entity_create_from_pollset_set(
+ grpc_pollset_set* pollset_set) {
+ grpc_polling_entity pollent;
+ pollent.pollent.pollset_set = pollset_set;
+ pollent.tag = GRPC_POLLS_POLLSET_SET;
+ return pollent;
+}
+
+grpc_polling_entity grpc_polling_entity_create_from_pollset(
+ grpc_pollset* pollset) {
+ grpc_polling_entity pollent;
+ pollent.pollent.pollset = pollset;
+ pollent.tag = GRPC_POLLS_POLLSET;
+ return pollent;
+}
+
+grpc_pollset* grpc_polling_entity_pollset(grpc_polling_entity* pollent) {
+ if (pollent->tag == GRPC_POLLS_POLLSET) {
+ return pollent->pollent.pollset;
+ }
+ return nullptr;
+}
+
+grpc_pollset_set* grpc_polling_entity_pollset_set(
+ grpc_polling_entity* pollent) {
+ if (pollent->tag == GRPC_POLLS_POLLSET_SET) {
+ return pollent->pollent.pollset_set;
+ }
+ return nullptr;
+}
+
+bool grpc_polling_entity_is_empty(const grpc_polling_entity* pollent) {
+ return pollent->tag == GRPC_POLLS_NONE;
+}
+
+void grpc_polling_entity_add_to_pollset_set(grpc_polling_entity* pollent,
+ grpc_pollset_set* pss_dst) {
+ if (pollent->tag == GRPC_POLLS_POLLSET) {
+ // CFStream does not use file destriptors. When CFStream is used, the fd
+ // pollset is possible to be null.
+ if (pollent->pollent.pollset != nullptr) {
+ grpc_pollset_set_add_pollset(pss_dst, pollent->pollent.pollset);
+ }
+ } else if (pollent->tag == GRPC_POLLS_POLLSET_SET) {
+ GPR_ASSERT(pollent->pollent.pollset_set != nullptr);
+ grpc_pollset_set_add_pollset_set(pss_dst, pollent->pollent.pollset_set);
+ } else {
+ gpr_log(GPR_ERROR, "Invalid grpc_polling_entity tag '%d'", pollent->tag);
+ abort();
+ }
+}
+
+void grpc_polling_entity_del_from_pollset_set(grpc_polling_entity* pollent,
+ grpc_pollset_set* pss_dst) {
+ if (pollent->tag == GRPC_POLLS_POLLSET) {
+#ifdef GRPC_CFSTREAM
+ if (pollent->pollent.pollset != nullptr) {
+ grpc_pollset_set_del_pollset(pss_dst, pollent->pollent.pollset);
+ }
+#else
+ GPR_ASSERT(pollent->pollent.pollset != nullptr);
+ grpc_pollset_set_del_pollset(pss_dst, pollent->pollent.pollset);
+#endif
+ } else if (pollent->tag == GRPC_POLLS_POLLSET_SET) {
+ GPR_ASSERT(pollent->pollent.pollset_set != nullptr);
+ grpc_pollset_set_del_pollset_set(pss_dst, pollent->pollent.pollset_set);
+ } else {
+ gpr_log(GPR_ERROR, "Invalid grpc_polling_entity tag '%d'", pollent->tag);
+ abort();
+ }
+}