--- /dev/null
+/*
+ *
+ * Copyright 2015 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_POLLSET_WINDOWS_H
+#define GRPC_CORE_LIB_IOMGR_POLLSET_WINDOWS_H
+
+#include <grpc/support/port_platform.h>
+
+#include <grpc/support/sync.h>
+
+#include "src/core/lib/iomgr/port.h"
+
+#ifdef GRPC_WINSOCK_SOCKET
+#include "src/core/lib/iomgr/socket_windows.h"
+
+/* There isn't really any such thing as a pollset under Windows, due to the
+ nature of the IO completion ports. A Windows "pollset" is merely a mutex
+ used to synchronize with the IOCP, and workers are condition variables
+ used to block threads until work is ready. */
+
+typedef enum {
+ GRPC_POLLSET_WORKER_LINK_POLLSET = 0,
+ GRPC_POLLSET_WORKER_LINK_GLOBAL,
+ GRPC_POLLSET_WORKER_LINK_TYPES
+} grpc_pollset_worker_link_type;
+
+typedef struct grpc_pollset_worker_link {
+ struct grpc_pollset_worker* next;
+ struct grpc_pollset_worker* prev;
+} grpc_pollset_worker_link;
+
+struct grpc_pollset;
+typedef struct grpc_pollset grpc_pollset;
+
+typedef struct grpc_pollset_worker {
+ gpr_cv cv;
+ int kicked;
+ struct grpc_pollset* pollset;
+ grpc_pollset_worker_link links[GRPC_POLLSET_WORKER_LINK_TYPES];
+} grpc_pollset_worker;
+
+struct grpc_pollset {
+ int shutting_down;
+ int kicked_without_pollers;
+ int is_iocp_worker;
+ grpc_pollset_worker root_worker;
+ grpc_closure* on_shutdown;
+};
+
+void grpc_pollset_global_init(void);
+void grpc_pollset_global_shutdown(void);
+
+#endif
+
+#endif /* GRPC_CORE_LIB_IOMGR_POLLSET_WINDOWS_H */