long compat_sys_timer_create(clockid_t which_clock,
struct compat_sigevent __user *timer_event_spec,
timer_t __user *created_timer_id)
{
struct sigevent __user *event = NULL;
if (timer_event_spec) {
struct sigevent kevent;
event = compat_alloc_user_space(sizeof(*event));
if (get_compat_sigevent(&kevent, timer_event_spec) ||
copy_to_user(event, &kevent, sizeof(*event)))
return -EFAULT;
}
return sys_timer_create(which_clock, event, created_timer_id);
}
static int create_posix_timers(struct task_restore_args *args)
{
int ret, i;
timer_t next_id;
struct sigevent sev;
for (i = 0; i < args->timer_n; i++) {
sev.sigev_notify = args->posix_timers[i].spt.it_sigev_notify;
sev.sigev_signo = args->posix_timers[i].spt.si_signo;
sev.sigev_value.sival_ptr = args->posix_timers[i].spt.sival_ptr;
while (1) {
ret = sys_timer_create(args->posix_timers[i].spt.clock_id, &sev, &next_id);
if (ret < 0) {
pr_err("Can't create posix timer - %d\n", i);
return ret;
}
if ((long)next_id == args->posix_timers[i].spt.it_id)
break;
ret = sys_timer_delete(next_id);
if (ret < 0) {
pr_err("Can't remove temporaty posix timer %lx\n", (long) next_id);
return ret;
}
if ((long)next_id > args->posix_timers[i].spt.it_id) {
pr_err("Can't create timers, kernel don't give them consequently");
return -1;
}
}
}
return 0;
}
