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-rw-r--r--kernel/freezer.c10
1 files changed, 7 insertions, 3 deletions
diff --git a/kernel/freezer.c b/kernel/freezer.c
index 3f46010..732f14f 100644
--- a/kernel/freezer.c
+++ b/kernel/freezer.c
@@ -23,10 +23,11 @@ static inline void frozen_process(void)
}
/* Refrigerator is place where frozen processes are stored :-). */
-void refrigerator(void)
+bool __refrigerator(void)
{
/* Hmm, should we be allowed to suspend when there are realtime
processes around? */
+ bool was_frozen = false;
long save;
task_lock(current);
@@ -35,7 +36,7 @@ void refrigerator(void)
task_unlock(current);
} else {
task_unlock(current);
- return;
+ return was_frozen;
}
save = current->state;
pr_debug("%s entered refrigerator\n", current->comm);
@@ -51,6 +52,7 @@ void refrigerator(void)
set_current_state(TASK_UNINTERRUPTIBLE);
if (!frozen(current))
break;
+ was_frozen = true;
schedule();
}
@@ -65,8 +67,10 @@ void refrigerator(void)
* synchronization which depends on ordered task state change.
*/
set_current_state(save);
+
+ return was_frozen;
}
-EXPORT_SYMBOL(refrigerator);
+EXPORT_SYMBOL(__refrigerator);
static void fake_signal_wake_up(struct task_struct *p)
{
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