mirror of
https://github.com/CTCaer/RetroArch.git
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80 lines
2.0 KiB
C
80 lines
2.0 KiB
C
/* RetroArch - A frontend for libretro.
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* Copyright (C) 2013-2014 - pinumbernumber
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* Copyright (C) 2011-2016 - Daniel De Matteis
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*
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* RetroArch is free software: you can redistribute it and/or modify it under the terms
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* of the GNU General Public License as published by the Free Software Found-
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* ation, either version 3 of the License, or (at your option) any later version.
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*
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* RetroArch is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
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* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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* PURPOSE. See the GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along with RetroArch.
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* If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <stdio.h>
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#include <errno.h>
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#include <string.h>
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#include <unistd.h>
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#include "epoll_common.h"
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#include "../../verbosity.h"
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static int g_epoll;
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static bool epoll_inited;
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static bool epoll_first_inited_is_joypad;
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bool epoll_new(bool is_joypad)
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{
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if (epoll_inited)
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return true;
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g_epoll = epoll_create(32);
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if (g_epoll < 0)
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return false;
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epoll_first_inited_is_joypad = is_joypad;
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epoll_inited = true;
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return true;
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}
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void epoll_free(bool is_joypad)
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{
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if (!epoll_inited || (is_joypad && !epoll_first_inited_is_joypad))
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return;
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if (g_epoll >= 0)
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close(g_epoll);
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g_epoll = -1;
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epoll_inited = false;
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epoll_first_inited_is_joypad = false;
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}
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int epoll_waiting(struct epoll_event *events, int maxevents, int timeout)
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{
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return epoll_wait(g_epoll, events, maxevents, timeout);
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}
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bool epoll_add(int fd, void *device)
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{
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struct epoll_event event = {0};
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event.events = EPOLLIN;
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event.data.ptr = device;
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/* Shouldn't happen, but just check it. */
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if (epoll_ctl(g_epoll, EPOLL_CTL_ADD, fd, &event) < 0)
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{
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RARCH_ERR("Failed to add FD (%d) to epoll list (%s).\n",
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fd, strerror(errno));
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return false;
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}
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return true;
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}
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