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-rw-r--r--include/linux/freezer.h14
1 files changed, 11 insertions, 3 deletions
diff --git a/include/linux/freezer.h b/include/linux/freezer.h
index deddeedf3257..17e3bb42dd3c 100644
--- a/include/linux/freezer.h
+++ b/include/linux/freezer.h
@@ -6,7 +6,7 @@
#include <linux/sched.h>
#include <linux/wait.h>
-#ifdef CONFIG_PM_SLEEP
+#ifdef CONFIG_FREEZER
/*
* Check if a process has been frozen
*/
@@ -39,6 +39,11 @@ static inline void clear_freeze_flag(struct task_struct *p)
clear_tsk_thread_flag(p, TIF_FREEZE);
}
+static inline bool should_send_signal(struct task_struct *p)
+{
+ return !(p->flags & PF_FREEZER_NOSIG);
+}
+
/*
* Wake up a frozen process
*
@@ -75,6 +80,9 @@ static inline int try_to_freeze(void)
return 0;
}
+extern bool freeze_task(struct task_struct *p, bool sig_only);
+extern void cancel_freezing(struct task_struct *p);
+
/*
* The PF_FREEZER_SKIP flag should be set by a vfork parent right before it
* calls wait_for_completion(&vfork) and reset right after it returns from this
@@ -166,7 +174,7 @@ static inline void set_freezable_with_signal(void)
} while (try_to_freeze()); \
__retval; \
})
-#else /* !CONFIG_PM_SLEEP */
+#else /* !CONFIG_FREEZER */
static inline int frozen(struct task_struct *p) { return 0; }
static inline int freezing(struct task_struct *p) { return 0; }
static inline void set_freeze_flag(struct task_struct *p) {}
@@ -191,6 +199,6 @@ static inline void set_freezable_with_signal(void) {}
#define wait_event_freezable_timeout(wq, condition, timeout) \
wait_event_interruptible_timeout(wq, condition, timeout)
-#endif /* !CONFIG_PM_SLEEP */
+#endif /* !CONFIG_FREEZER */
#endif /* FREEZER_H_INCLUDED */
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