| /* |
| Copyright (c) 2012-2013 Martin Sustrik All rights reserved. |
| |
| Permission is hereby granted, free of charge, to any person obtaining a copy |
| of this software and associated documentation files (the "Software"), |
| to deal in the Software without restriction, including without limitation |
| the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| and/or sell copies of the Software, and to permit persons to whom |
| the Software is furnished to do so, subject to the following conditions: |
| |
| The above copyright notice and this permission notice shall be included |
| in all copies or substantial portions of the Software. |
| |
| THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
| FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS |
| IN THE SOFTWARE. |
| */ |
| |
| #include <poll.h> |
| |
| #define NN_POLLER_HAVE_ASYNC_ADD 0 |
| |
| struct nn_poller_hndl { |
| int index; |
| }; |
| |
| struct nn_poller { |
| |
| /* Actual number of elements in the pollset. */ |
| int size; |
| |
| /* Index of the event being processed at the moment. */ |
| int index; |
| |
| /* Number of allocated elements in the pollset. */ |
| int capacity; |
| |
| /* The pollset. */ |
| struct pollfd *pollset; |
| |
| /* List of handles associated with elements in the pollset. Either points |
| to the handle associated with the file descriptor (hndl) or is part |
| of the list of removed pollitems (removed). */ |
| struct nn_hndls_item { |
| struct nn_poller_hndl *hndl; |
| int prev; |
| int next; |
| } *hndls; |
| |
| /* List of removed pollitems, linked by indices. -1 means empty list. */ |
| int removed; |
| }; |
| |