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-rw-r--r--include/linux/freezer.h22
1 files changed, 20 insertions, 2 deletions
diff --git a/include/linux/freezer.h b/include/linux/freezer.h
index aa56cf31f7ff..a49b52934c55 100644
--- a/include/linux/freezer.h
+++ b/include/linux/freezer.h
@@ -135,10 +135,25 @@ static inline void set_freezable_with_signal(void)
}
/*
- * Freezer-friendly wrappers around wait_event_interruptible() and
- * wait_event_interruptible_timeout(), originally defined in <linux/wait.h>
+ * Freezer-friendly wrappers around wait_event_interruptible(),
+ * wait_event_killable() and wait_event_interruptible_timeout(), originally
+ * defined in <linux/wait.h>
*/
+#define wait_event_freezekillable(wq, condition) \
+({ \
+ int __retval; \
+ do { \
+ __retval = wait_event_killable(wq, \
+ (condition) || freezing(current)); \
+ if (__retval && !freezing(current)) \
+ break; \
+ else if (!(condition)) \
+ __retval = -ERESTARTSYS; \
+ } while (try_to_freeze()); \
+ __retval; \
+})
+
#define wait_event_freezable(wq, condition) \
({ \
int __retval; \
@@ -190,6 +205,9 @@ static inline void set_freezable_with_signal(void) {}
#define wait_event_freezable_timeout(wq, condition, timeout) \
wait_event_interruptible_timeout(wq, condition, timeout)
+#define wait_event_freezekillable(wq, condition) \
+ wait_event_killable(wq, condition)
+
#endif /* !CONFIG_FREEZER */
#endif /* FREEZER_H_INCLUDED */