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https://github.com/libretro/RetroArch
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Create epoll_common
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parent
0637671725
commit
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@ -78,6 +78,7 @@ ifneq ($(findstring Linux,$(OS)),)
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LIBS += -lrt
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OBJ += input/drivers/linuxraw_input.o \
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input/common/linux_common.o \
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input/common/epoll_common.o \
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input/drivers_joypad/linuxraw_joypad.o \
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frontend/drivers/platform_linux.o
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endif
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@ -375,6 +375,7 @@ INPUT
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#if defined(__linux__) && !defined(ANDROID)
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#include "../input/common/linux_common.c"
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#include "../input/common/epoll_common.c"
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#include "../input/drivers/linuxraw_input.c"
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#include "../input/drivers_joypad/linuxraw_joypad.c"
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#endif
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35
input/common/epoll_common.c
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35
input/common/epoll_common.c
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@ -0,0 +1,35 @@
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#include <stdio.h>
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#include "epoll_common.h"
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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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32
input/common/epoll_common.h
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32
input/common/epoll_common.h
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@ -0,0 +1,32 @@
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/* RetroArch - A frontend for libretro.
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* Copyright (C) 2011-2015 - 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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#ifndef _EPOLL_COMMON_H
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#define _EPOLL_COMMON_H
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#include <stdint.h>
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#include <fcntl.h>
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#include <sys/epoll.h>
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#include <boolean.h>
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extern int g_epoll;
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bool epoll_new(bool is_joypad);
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void epoll_free(bool is_joypad);
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#endif
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@ -24,8 +24,6 @@
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <sys/epoll.h>
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#include <libudev.h>
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#include <linux/types.h>
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#include <linux/input.h>
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@ -35,6 +33,7 @@
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#include "../drivers_keyboard/keyboard_event_udev.h"
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#include "../common/linux_common.h"
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#include "../common/epoll_common.h"
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#include "../common/udev_common.h"
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#include "../input_config.h"
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@ -81,7 +80,6 @@ struct udev_input
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bool blocked;
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const input_device_driver_t *joypad;
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int epfd;
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udev_input_device_t **devices;
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unsigned num_devices;
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@ -264,7 +262,7 @@ static bool add_device(udev_input_t *udev,
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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(udev->epfd, EPOLL_CTL_ADD, fd, &event) < 0)
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if (epoll_ctl(g_epoll, EPOLL_CTL_ADD, fd, &event) < 0)
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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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@ -367,7 +365,7 @@ static void udev_input_poll(void *data)
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while (udev_mon_hotplug_available())
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udev_input_handle_hotplug(udev);
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ret = epoll_wait(udev->epfd, events, ARRAY_SIZE(events), 0);
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ret = epoll_wait(g_epoll, events, ARRAY_SIZE(events), 0);
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for (i = 0; i < ret; i++)
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{
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@ -559,8 +557,7 @@ static void udev_input_free(void *data)
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if (udev->joypad)
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udev->joypad->destroy();
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if (udev->epfd >= 0)
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close(udev->epfd);
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epoll_free(false);
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for (i = 0; i < udev->num_devices; i++)
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{
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@ -629,8 +626,7 @@ static void *udev_input_init(void)
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goto error;
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#endif
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udev->epfd = epoll_create(32);
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if (udev->epfd < 0)
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if (!epoll_new(false))
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{
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RARCH_ERR("Failed to create epoll FD.\n");
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goto error;
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@ -21,10 +21,9 @@
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#include <sys/types.h>
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#include <sys/inotify.h>
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#include <sys/epoll.h>
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#include <fcntl.h>
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#include <linux/joystick.h>
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#include "../common/epoll_common.h"
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#include "../input_autodetect.h"
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#include "../../general.h"
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#include "../../verbosity.h"
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@ -43,7 +42,6 @@ struct linuxraw_joypad
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static struct linuxraw_joypad linuxraw_pads[MAX_USERS];
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static int g_notify;
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static int g_epoll;
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static bool g_hotplug;
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static void linuxraw_poll_pad(struct linuxraw_joypad *pad)
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@ -220,8 +218,7 @@ static bool linuxraw_joypad_init(void *data)
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unsigned i;
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settings_t *settings = config_get_ptr();
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g_epoll = epoll_create(MAX_USERS + 1);
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if (g_epoll < 0)
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if (!epoll_new(true))
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return false;
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(void)data;
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@ -291,9 +288,7 @@ static void linuxraw_joypad_destroy(void)
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close(g_notify);
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g_notify = -1;
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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_free(true);
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g_hotplug = false;
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}
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