From 63ae172a23e6061c9868a738f0b3c83dc5c5b1b4 Mon Sep 17 00:00:00 2001
From: twinaphex <libretro@gmail.com>
Date: Thu, 1 Dec 2016 15:02:29 +0100
Subject: [PATCH] Add udev_common.c/.h

---
 Makefile.common                    |  1 +
 griffin/griffin.c                  |  1 +
 input/common/udev_common.c         | 34 ++++++++++++++++++++++++++++++
 input/common/udev_common.h         | 23 ++++++++++++++++++++
 input/drivers_joypad/udev_joypad.c | 17 ++++-----------
 5 files changed, 63 insertions(+), 13 deletions(-)
 create mode 100644 input/common/udev_common.c
 create mode 100644 input/common/udev_common.h

diff --git a/Makefile.common b/Makefile.common
index 2fdc341072..6b9f0b197a 100644
--- a/Makefile.common
+++ b/Makefile.common
@@ -638,6 +638,7 @@ ifeq ($(HAVE_UDEV), 1)
    DEFINES += $(UDEV_CFLAGS)
    LIBS += $(UDEV_LIBS)
    OBJ += input/drivers/udev_input.o \
+			 input/common/udev_common.o \
           input/drivers_keyboard/keyboard_event_udev.o \
           input/drivers_joypad/udev_joypad.o
 endif
diff --git a/griffin/griffin.c b/griffin/griffin.c
index ab734ccd0d..e6cc4b3451 100644
--- a/griffin/griffin.c
+++ b/griffin/griffin.c
@@ -473,6 +473,7 @@ INPUT
 #endif
 
 #ifdef HAVE_UDEV
+#include "../input/common/udev_common.c"
 #include "../input/drivers/udev_input.c"
 #include "../input/drivers_keyboard/keyboard_event_udev.c"
 #include "../input/drivers_joypad/udev_joypad.c"
diff --git a/input/common/udev_common.c b/input/common/udev_common.c
new file mode 100644
index 0000000000..d256f3916d
--- /dev/null
+++ b/input/common/udev_common.c
@@ -0,0 +1,34 @@
+/*  RetroArch - A frontend for libretro.
+ *  Copyright (C) 2010-2014 - Hans-Kristian Arntzen
+ *  Copyright (C) 2011-2016 - Daniel De Matteis
+ * 
+ *  RetroArch is free software: you can redistribute it and/or modify it under the terms
+ *  of the GNU General Public License as published by the Free Software Found-
+ *  ation, either version 3 of the License, or (at your option) any later version.
+ *
+ *  RetroArch is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
+ *  without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
+ *  PURPOSE.  See the GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License along with RetroArch.
+ *  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <stdlib.h>
+
+#include <libudev.h>
+
+#include <sys/poll.h>
+
+#include "udev_common.h"
+
+bool udev_hotplug_available(void *dev)
+{
+   struct pollfd fds;
+
+   fds.fd      = udev_monitor_get_fd((struct udev_monitor*)dev);
+   fds.events  = POLLIN;
+   fds.revents = 0;
+
+   return (poll(&fds, 1, 0) == 1) && (fds.revents & POLLIN);
+}
diff --git a/input/common/udev_common.h b/input/common/udev_common.h
new file mode 100644
index 0000000000..c9ea19c191
--- /dev/null
+++ b/input/common/udev_common.h
@@ -0,0 +1,23 @@
+/*  RetroArch - A frontend for libretro.
+ *  Copyright (C) 2011-2016 - Daniel De Matteis
+ * 
+ *  RetroArch is free software: you can redistribute it and/or modify it under the terms
+ *  of the GNU General Public License as published by the Free Software Found-
+ *  ation, either version 3 of the License, or (at your option) any later version.
+ *
+ *  RetroArch is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
+ *  without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
+ *  PURPOSE.  See the GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License along with RetroArch.
+ *  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef _UDEV_COMMON_H
+#define _UDEV_COMMON_H
+
+#include <boolean.h>
+
+bool udev_hotplug_available(void *dev);
+
+#endif
diff --git a/input/drivers_joypad/udev_joypad.c b/input/drivers_joypad/udev_joypad.c
index c576f47a9b..69c3385ae0 100644
--- a/input/drivers_joypad/udev_joypad.c
+++ b/input/drivers_joypad/udev_joypad.c
@@ -23,7 +23,6 @@
 
 #include <sys/types.h>
 #include <sys/stat.h>
-#include <sys/poll.h>
 #include <libudev.h>
 #include <linux/types.h>
 #include <linux/input.h>
@@ -34,6 +33,9 @@
 
 #include "../input_autodetect.h"
 #include "../input_driver.h"
+
+#include "../common/udev_common.h"
+
 #include "../../configuration.h"
 #include "../../runloop.h"
 #include "../../verbosity.h"
@@ -160,17 +162,6 @@ static void udev_poll_pad(struct udev_joypad *pad, unsigned p)
    }
 }
 
-static INLINE bool udev_hotplug_available(void)
-{
-   struct pollfd fds;
-
-   fds.fd      = udev_monitor_get_fd(g_udev_mon);
-   fds.events  = POLLIN;
-   fds.revents = 0;
-
-   return (poll(&fds, 1, 0) == 1) && (fds.revents & POLLIN);
-}
-
 static int udev_find_vacant_pad(void)
 {
    unsigned i;
@@ -515,7 +506,7 @@ static void udev_joypad_poll(void)
 {
    unsigned i;
 
-   while (g_udev_mon && udev_hotplug_available())
+   while (g_udev_mon && udev_hotplug_available(g_udev_mon))
    {
       struct udev_device *dev = udev_monitor_receive_device(g_udev_mon);
       if (dev)