out:
return timeout < 0 ? 0 : timeout;
}
-
EXPORT_SYMBOL(schedule_timeout);
+/*
+ * We can use __set_current_state() here because schedule_timeout() calls
+ * schedule() unconditionally.
+ */
+signed long __sched schedule_timeout_interruptible(signed long timeout)
+{
+ __set_current_state(TASK_INTERRUPTIBLE);
+ return schedule_timeout(timeout);
+}
+EXPORT_SYMBOL(schedule_timeout_interruptible);
+
+signed long __sched schedule_timeout_uninterruptible(signed long timeout)
+{
+ __set_current_state(TASK_UNINTERRUPTIBLE);
+ return schedule_timeout(timeout);
+}
+EXPORT_SYMBOL(schedule_timeout_uninterruptible);
+
/* Thread ID - the internal kernel "pid" */
asmlinkage long sys_gettid(void)
{
if (!time_after(expire, now))
return 0;
- current->state = TASK_INTERRUPTIBLE;
- expire = schedule_timeout(expire - now);
+ expire = schedule_timeout_interruptible(expire - now);
ret = 0;
if (expire) {
return -EINVAL;
expire = timespec_to_jiffies(&t) + (t.tv_sec || t.tv_nsec);
- current->state = TASK_INTERRUPTIBLE;
- expire = schedule_timeout(expire);
+ expire = schedule_timeout_interruptible(expire);
ret = 0;
if (expire) {
{
unsigned long timeout = msecs_to_jiffies(msecs) + 1;
- while (timeout) {
- set_current_state(TASK_UNINTERRUPTIBLE);
- timeout = schedule_timeout(timeout);
- }
+ while (timeout)
+ timeout = schedule_timeout_uninterruptible(timeout);
}
EXPORT_SYMBOL(msleep);
{
unsigned long timeout = msecs_to_jiffies(msecs) + 1;
- while (timeout && !signal_pending(current)) {
- set_current_state(TASK_INTERRUPTIBLE);
- timeout = schedule_timeout(timeout);
- }
+ while (timeout && !signal_pending(current))
+ timeout = schedule_timeout_interruptible(timeout);
return jiffies_to_msecs(timeout);
}