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-rw-r--r--include/linux/freezer.h14
1 files changed, 14 insertions, 0 deletions
diff --git a/include/linux/freezer.h b/include/linux/freezer.h
index 4631086..2d38b1a 100644
--- a/include/linux/freezer.h
+++ b/include/linux/freezer.h
@@ -1,5 +1,8 @@
/* Freezer declarations */
+#ifndef FREEZER_H_INCLUDED
+#define FREEZER_H_INCLUDED
+
#include <linux/sched.h>
#ifdef CONFIG_PM
@@ -115,6 +118,14 @@ static inline int freezer_should_skip(struct task_struct *p)
return !!(p->flags & PF_FREEZER_SKIP);
}
+/*
+ * Tell the freezer that the current task should be frozen by it
+ */
+static inline void set_freezable(void)
+{
+ current->flags &= ~PF_NOFREEZE;
+}
+
#else
static inline int frozen(struct task_struct *p) { return 0; }
static inline int freezing(struct task_struct *p) { return 0; }
@@ -130,4 +141,7 @@ static inline int try_to_freeze(void) { return 0; }
static inline void freezer_do_not_count(void) {}
static inline void freezer_count(void) {}
static inline int freezer_should_skip(struct task_struct *p) { return 0; }
+static inline void set_freezable(void) {}
#endif
+
+#endif /* FREEZER_H_INCLUDED */
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