int HID_API_EXPORT hid_init(void)
{
const char *locale;
/* Set the locale if it's not set. */
locale = setlocale(LC_CTYPE, NULL);
if (!locale)
setlocale(LC_CTYPE, "");
kernel_version = detect_kernel_version();
return 0;
}
static int open_control_device(void)
{
struct stat st;
int i, rv, minor, found = 0;
if (control_fd > -1)
goto out;
rv = find_control_minor(&minor);
if (rv < 0)
return -1;
/* wait for udev to create the device */
for (i = 0; i < 10; i++) {
if (stat(DLM_CONTROL_PATH, &st) == 0 &&
minor(st.st_rdev) == minor) {
found = 1;
break;
}
sleep(1);
continue;
}
if (!found)
return -1;
control_fd = open(DLM_CONTROL_PATH, O_RDWR);
if (control_fd == -1)
return -1;
out:
fcntl(control_fd, F_SETFD, 1);
if (!kernel_version_detected)
detect_kernel_version();
return 0;
}
