diff options
| -rw-r--r-- | include/linux/freezer.h | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/include/linux/freezer.h b/include/linux/freezer.h index 8430d4c51ece..7fd81b8c4897 100644 --- a/include/linux/freezer.h +++ b/include/linux/freezer.h @@ -180,6 +180,32 @@ static inline void freezable_schedule_unsafe(void) freezer_count_unsafe(); } +/* + * Like freezable_schedule_timeout(), but should not block the freezer. Do not + * call this with locks held. + */ +static inline long freezable_schedule_timeout(long timeout) +{ + long __retval; + freezer_do_not_count(); + __retval = schedule_timeout(timeout); + freezer_count(); + return __retval; +} + +/* + * Like schedule_timeout_interruptible(), but should not block the freezer. Do not + * call this with locks held. + */ +static inline long freezable_schedule_timeout_interruptible(long timeout) +{ + long __retval; + freezer_do_not_count(); + __retval = schedule_timeout_interruptible(timeout); + freezer_count(); + return __retval; +} + /* Like schedule_timeout_killable(), but should not block the freezer. */ static inline long freezable_schedule_timeout_killable(long timeout) { @@ -201,6 +227,20 @@ static inline long freezable_schedule_timeout_killable_unsafe(long timeout) } /* + * Like schedule_hrtimeout_range(), but should not block the freezer. Do not + * call this with locks held. + */ +static inline int freezable_schedule_hrtimeout_range(ktime_t *expires, + unsigned long delta, const enum hrtimer_mode mode) +{ + int __retval; + freezer_do_not_count(); + __retval = schedule_hrtimeout_range(expires, delta, mode); + freezer_count(); + return __retval; +} + +/* * Freezer-friendly wrappers around wait_event_interruptible(), * wait_event_killable() and wait_event_interruptible_timeout(), originally * defined in <linux/wait.h> @@ -244,6 +284,16 @@ static inline long freezable_schedule_timeout_killable_unsafe(long timeout) __retval; \ }) +#define wait_event_freezable_exclusive(wq, condition) \ +({ \ + int __retval; \ + freezer_do_not_count(); \ + __retval = wait_event_interruptible_exclusive(wq, condition); \ + freezer_count(); \ + __retval; \ +}) + + #else /* !CONFIG_FREEZER */ static inline bool frozen(struct task_struct *p) { return false; } static inline bool freezing(struct task_struct *p) { return false; } @@ -267,18 +317,29 @@ static inline void set_freezable(void) {} #define freezable_schedule_unsafe() schedule() +#define freezable_schedule_timeout(timeout) schedule_timeout(timeout) + +#define freezable_schedule_timeout_interruptible(timeout) \ + schedule_timeout_interruptible(timeout) + #define freezable_schedule_timeout_killable(timeout) \ schedule_timeout_killable(timeout) #define freezable_schedule_timeout_killable_unsafe(timeout) \ schedule_timeout_killable(timeout) +#define freezable_schedule_hrtimeout_range(expires, delta, mode) \ + schedule_hrtimeout_range(expires, delta, mode) + #define wait_event_freezable(wq, condition) \ wait_event_interruptible(wq, condition) #define wait_event_freezable_timeout(wq, condition, timeout) \ wait_event_interruptible_timeout(wq, condition, timeout) +#define wait_event_freezable_exclusive(wq, condition) \ + wait_event_interruptible_exclusive(wq, condition) + #define wait_event_freezekillable(wq, condition) \ wait_event_killable(wq, condition) |