return r;
switch (type) {
+
case SESSION_DEVICE_RESUME:
r = sd_bus_message_append(m, "uuh", major, minor, sd->fd);
if (r < 0)
return r;
break;
+
case SESSION_DEVICE_TRY_PAUSE:
t = "pause";
break;
+
case SESSION_DEVICE_PAUSE:
t = "force";
break;
+
case SESSION_DEVICE_RELEASE:
t = "gone";
break;
+
default:
return -EINVAL;
}
}
static int sd_drmsetmaster(int fd) {
- int r;
-
assert(fd >= 0);
- r = ioctl(fd, DRM_IOCTL_SET_MASTER, 0);
- if (r < 0)
+ if (ioctl(fd, DRM_IOCTL_SET_MASTER, 0) < 0)
return -errno;
return 0;
}
static int sd_drmdropmaster(int fd) {
- int r;
-
assert(fd >= 0);
- r = ioctl(fd, DRM_IOCTL_DROP_MASTER, 0);
- if (r < 0)
+ if (ioctl(fd, DRM_IOCTL_DROP_MASTER, 0) < 0)
return -errno;
return 0;
static int session_device_open(SessionDevice *sd, bool active) {
int fd, r;
+ assert(sd);
assert(sd->type != DEVICE_TYPE_UNKNOWN);
+ assert(sd->node);
/* open device and try to get an udev_device from it */
fd = open(sd->node, O_RDWR|O_CLOEXEC|O_NOCTTY|O_NONBLOCK);
return -errno;
switch (sd->type) {
+
case DEVICE_TYPE_DRM:
if (active) {
- /* Weird legacy DRM semantics might return an error
- * even though we're master. No way to detect that so
- * fail at all times and let caller retry in inactive
- * state. */
+ /* Weird legacy DRM semantics might return an error even though we're master. No way to detect
+ * that so fail at all times and let caller retry in inactive state. */
r = sd_drmsetmaster(fd);
if (r < 0) {
close_nointr(fd);
return r;
}
- } else {
- /* DRM-Master is granted to the first user who opens a
- * device automatically (ughh, racy!). Hence, we just
- * drop DRM-Master in case we were the first. */
+ } else
+ /* DRM-Master is granted to the first user who opens a device automatically (ughh,
+ * racy!). Hence, we just drop DRM-Master in case we were the first. */
sd_drmdropmaster(fd);
- }
break;
+
case DEVICE_TYPE_EVDEV:
if (!active)
sd_eviocrevoke(fd);
break;
+
case DEVICE_TYPE_UNKNOWN:
default:
/* fallback for devices wihout synchronizations */
return 0;
switch (sd->type) {
+
case DEVICE_TYPE_DRM:
- /* Device is kept open. Simply call drmSetMaster() and hope
- * there is no-one else. In case it fails, we keep the device
- * paused. Maybe at some point we have a drmStealMaster(). */
+ /* Device is kept open. Simply call drmSetMaster() and hope there is no-one else. In case it fails, we
+ * keep the device paused. Maybe at some point we have a drmStealMaster(). */
r = sd_drmsetmaster(sd->fd);
if (r < 0)
return r;
break;
+
case DEVICE_TYPE_EVDEV:
- /* Evdev devices are revoked while inactive. Reopen it and we
- * are fine. */
+ /* Evdev devices are revoked while inactive. Reopen it and we are fine. */
r = session_device_open(sd, true);
if (r < 0)
return r;
- /* For evdev devices, the file descriptor might be left
- * uninitialized. This might happen while resuming into a
- * session and logind has been restarted right before. */
+
+ /* For evdev devices, the file descriptor might be left uninitialized. This might happen while resuming
+ * into a session and logind has been restarted right before. */
safe_close(sd->fd);
sd->fd = r;
break;
+
case DEVICE_TYPE_UNKNOWN:
default:
/* fallback for devices wihout synchronizations */