1 //
2 //
3 // Copyright 2015 gRPC authors.
4 //
5 // Licensed under the Apache License, Version 2.0 (the "License");
6 // you may not use this file except in compliance with the License.
7 // You may obtain a copy of the License at
8 //
9 //     http://www.apache.org/licenses/LICENSE-2.0
10 //
11 // Unless required by applicable law or agreed to in writing, software
12 // distributed under the License is distributed on an "AS IS" BASIS,
13 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 // See the License for the specific language governing permissions and
15 // limitations under the License.
16 //
17 //
18 
19 #ifndef GRPC_SRC_CORE_LIB_IOMGR_POLLSET_SET_H
20 #define GRPC_SRC_CORE_LIB_IOMGR_POLLSET_SET_H
21 
22 #include <grpc/support/port_platform.h>
23 
24 #include "src/core/lib/iomgr/iomgr_fwd.h"
25 
26 // A grpc_pollset_set is a set of pollsets that are interested in an
27 // action. Adding a pollset to a pollset_set automatically adds any
28 // fd's (etc) that have been registered with the set_set to that pollset.
29 // Registering fd's automatically adds them to all current pollsets.
30 
31 typedef struct grpc_pollset_set_vtable {
32   grpc_pollset_set* (*create)(void);
33   void (*destroy)(grpc_pollset_set* pollset_set);
34   void (*add_pollset)(grpc_pollset_set* pollset_set, grpc_pollset* pollset);
35   void (*del_pollset)(grpc_pollset_set* pollset_set, grpc_pollset* pollset);
36   void (*add_pollset_set)(grpc_pollset_set* bag, grpc_pollset_set* item);
37   void (*del_pollset_set)(grpc_pollset_set* bag, grpc_pollset_set* item);
38 } grpc_pollset_set_vtable;
39 
40 void grpc_set_pollset_set_vtable(grpc_pollset_set_vtable* vtable);
41 
42 grpc_pollset_set* grpc_pollset_set_create(void);
43 void grpc_pollset_set_destroy(grpc_pollset_set* pollset_set);
44 void grpc_pollset_set_add_pollset(grpc_pollset_set* pollset_set,
45                                   grpc_pollset* pollset);
46 void grpc_pollset_set_del_pollset(grpc_pollset_set* pollset_set,
47                                   grpc_pollset* pollset);
48 void grpc_pollset_set_add_pollset_set(grpc_pollset_set* bag,
49                                       grpc_pollset_set* item);
50 void grpc_pollset_set_del_pollset_set(grpc_pollset_set* bag,
51                                       grpc_pollset_set* item);
52 
53 #endif  // GRPC_SRC_CORE_LIB_IOMGR_POLLSET_SET_H
54