26  * @TIMER_DEFERRABLE: A deferrable timer will work normally when the
28  * to service it; instead, the timer will be serviced when the CPU
29  * eventually wakes up with a subsequent non-deferrable timer.
31  * @TIMER_IRQSAFE: An irqsafe timer is executed with IRQ disabled and
39  * @TIMER_PINNED: A pinned timer will not be affected by any timer
41  * on which the timer was enqueued.
43  * Note: Because enqueuing of timers can migrate the timer from one
46  * function is invoked via mod_timer() or add_timer().  If the timer
74  * LOCKDEP and DEBUG timer interfaces.
76 void init_timer_key(struct timer_list *timer,
81 extern void init_timer_on_stack_key(struct timer_list *timer,
86 static inline void init_timer_on_stack_key(struct timer_list *timer,  in init_timer_on_stack_key()  argument
92 	init_timer_key(timer, func, flags, name, key);  in init_timer_on_stack_key()
117  * timer_setup - prepare a timer for first use
118  * @timer: the timer in question
119  * @callback: the function to call when timer expires
122  * Regular timer initialization should use either DEFINE_TIMER() above,
126 #define timer_setup(timer, callback, flags)			\  argument
127 	__init_timer((timer), (callback), (flags))
129 #define timer_setup_on_stack(timer, callback, flags)		\  argument
130 	__init_timer_on_stack((timer), (callback), (flags))
133 extern void destroy_timer_on_stack(struct timer_list *timer);
135 static inline void destroy_timer_on_stack(struct timer_list *timer) { }  in destroy_timer_on_stack()  argument
142  * timer_pending - is a timer pending?
143  * @timer: the timer in question
145  * timer_pending will tell whether a given timer is currently pending,
147  * to this timer, eg. interrupt contexts, or other CPUs on SMP.
149  * return value: 1 if the timer is pending, 0 if not.
151 static inline int timer_pending(const struct timer_list * timer)  in timer_pending()  argument
153 	return !hlist_unhashed_lockless(&timer->entry);  in timer_pending()
156 extern void add_timer_on(struct timer_list *timer, int cpu);
157 extern int mod_timer(struct timer_list *timer, unsigned long expires);
158 extern int mod_timer_pending(struct timer_list *timer, unsigned long expires);
159 extern int timer_reduce(struct timer_list *timer, unsigned long expires);
162  * The jiffies value which is added to now, when there is no timer
163  * in the timer wheel:
167 extern void add_timer(struct timer_list *timer);
169 extern int try_to_del_timer_sync(struct timer_list *timer);
170 extern int timer_delete_sync(struct timer_list *timer);
171 extern int timer_delete(struct timer_list *timer);
172 extern int timer_shutdown_sync(struct timer_list *timer);
173 extern int timer_shutdown(struct timer_list *timer);
176  * del_timer_sync - Delete a pending timer and wait for a running callback
177  * @timer:	The timer to be deleted
183 static inline int del_timer_sync(struct timer_list *timer)  in del_timer_sync()  argument
185 	return timer_delete_sync(timer);  in del_timer_sync()
189  * del_timer - Delete a pending timer
190  * @timer:	The timer to be deleted
196 static inline int del_timer(struct timer_list *timer)  in del_timer()  argument
198 	return timer_delete(timer);  in del_timer()