xf86-input-evdev v1.1.2xf86-input-evdev-1_1_2XORG-7_1

Bugzilla #6734 <https://bugs.freedesktop.org/show_bug.cgi=6734> Apply patch
    from Philip Langdale which causes us to make sure that O_NONBLOCK is
    set on the inotify device.

1 files changed, 15 insertions, 1 deletions

diff --git a/src/evdev_brain.c b/src/evdev_brain.c
index c4b6fd1..7c854d8 100644
--- a/src/evdev_brain.c
+++ b/src/evdev_brain.c
@@ -39,6 +39,7 @@
 
 #include <xf86.h>
 #include <fnmatch.h>
+#include <sys/poll.h>
 
 #include "inotify.h"
 #include "inotify-syscalls.h"
@@ -347,7 +348,7 @@ static int
 evdevControl(DeviceIntPtr pPointer, int what)
 {
     InputInfoPtr pInfo;
-    int i;
+    int i, flags;
 
     pInfo = pPointer->public.devicePrivate;
 
@@ -376,6 +377,19 @@ evdevControl(DeviceIntPtr pPointer, int what)
 	    SYSCALL (close (pInfo->fd));
 	    pInfo->fd = -1;
 	}
+	if ((flags = fcntl(pInfo->fd, F_GETFL)) < 0) {
+	    xf86Msg(X_ERROR, "%s: Unable to NONBLOCK inotify, using fallback. "
+		    "(errno: %d)\n", pInfo->name, errno);
+	    evdev_inotify = 0;
+	    SYSCALL (close (pInfo->fd));
+	    pInfo->fd = -1;
+	} else if (fcntl(pInfo->fd, F_SETFL, flags | O_NONBLOCK) < 0) {
+	    xf86Msg(X_ERROR, "%s: Unable to NONBLOCK inotify, using fallback. "
+		    "(errno: %d)\n", pInfo->name, errno);
+	    evdev_inotify = 0;
+	    SYSCALL (close (pInfo->fd));
+	    pInfo->fd = -1;
+	}
 
 	if (!evdev_inotify) {
 	    SYSCALL (pInfo->fd = open ("/proc/bus/usb/devices", O_RDONLY));