swc

commit 160ebbfc6d88d5c1315b3672c4424a967d3e79c1
parent 0013242c02a32f880bed4a84867903db30121152
Author: Michael Forney <mforney@mforney.org>
Date:   Mon,  6 Feb 2017 11:37:41 -0800

evdev_device: Use CLOCK_MONOTONIC

Otherwise a system clock change could interfere with input event timing.

Diffstat:
M
libswc/evdev_device.c
 | 
14
++++++++++----

1 file changed, 10 insertions(+), 4 deletions(-)
diff --git a/libswc/evdev_device.c b/libswc/evdev_device.c
@@ -32,13 +32,14 @@
 #include "seat.h"
 #include "util.h"
 
-#include <stdlib.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <libevdev/libevdev.h>
 #include <stdio.h>
+#include <stdlib.h>
 #include <string.h>
-#include <fcntl.h>
+#include <time.h>
 #include <unistd.h>
-#include <errno.h>
-#include <libevdev/libevdev.h>
 
 #define AXIS_STEP_DISTANCE 10
 #define ARRAY_SIZE(array) (sizeof(array) / sizeof(array[0]))
@@ -234,6 +235,11 @@ evdev_device_new(const char *path, const struct evdev_device_handler *handler)
 		goto error3;
 	}
 
+	if (libevdev_set_clock_id(device->dev, CLOCK_MONOTONIC) != 0) {
+		ERROR("Failed to set libevdev device to monotonic clock\n");
+		goto error4;
+	}
+
 	device->source = wl_event_loop_add_fd(swc.event_loop, device->fd, WL_EVENT_READABLE, handle_data, device);
 
 	if (!device->source) {