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 always expire on the CPU on which the
40  * timer was enqueued. When a particular CPU is required, add_timer_on()
68  * LOCKDEP and DEBUG timer interfaces.
70 void init_timer_key(struct timer_list *timer,
75 extern void init_timer_on_stack_key(struct timer_list *timer,
80 static inline void init_timer_on_stack_key(struct timer_list *timer,  in init_timer_on_stack_key()  argument
86 	init_timer_key(timer, func, flags, name, key);  in init_timer_on_stack_key()
111  * timer_setup - prepare a timer for first use
112  * @timer: the timer in question
113  * @callback: the function to call when timer expires
116  * Regular timer initialization should use either DEFINE_TIMER() above,
120 #define timer_setup(timer, callback, flags)			\  argument
121 	__init_timer((timer), (callback), (flags))
123 #define timer_setup_on_stack(timer, callback, flags)		\  argument
124 	__init_timer_on_stack((timer), (callback), (flags))
127 extern void destroy_timer_on_stack(struct timer_list *timer);
129 static inline void destroy_timer_on_stack(struct timer_list *timer) { }  in destroy_timer_on_stack()  argument
136  * timer_pending - is a timer pending?
137  * @timer: the timer in question
139  * timer_pending will tell whether a given timer is currently pending,
141  * to this timer, eg. interrupt contexts, or other CPUs on SMP.
143  * Returns: 1 if the timer is pending, 0 if not.
145 static inline int timer_pending(const struct timer_list * timer)  in timer_pending()  argument
147 	return !hlist_unhashed_lockless(&timer->entry);  in timer_pending()
150 extern void add_timer_on(struct timer_list *timer, int cpu);
151 extern int mod_timer(struct timer_list *timer, unsigned long expires);
152 extern int mod_timer_pending(struct timer_list *timer, unsigned long expires);
153 extern int timer_reduce(struct timer_list *timer, unsigned long expires);
156  * The jiffies value which is added to now, when there is no timer
157  * in the timer wheel:
161 extern void add_timer(struct timer_list *timer);
162 extern void add_timer_local(struct timer_list *timer);
163 extern void add_timer_global(struct timer_list *timer);
165 extern int try_to_del_timer_sync(struct timer_list *timer);
166 extern int timer_delete_sync(struct timer_list *timer);
167 extern int timer_delete(struct timer_list *timer);
168 extern int timer_shutdown_sync(struct timer_list *timer);
169 extern int timer_shutdown(struct timer_list *timer);
172  * del_timer_sync - Delete a pending timer and wait for a running callback
173  * @timer:	The timer to be deleted
180  * * %0	- The timer was not pending
181  * * %1	- The timer was pending and deactivated
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
197  * * %0	- The timer was not pending
198  * * %1	- The timer was pending and deactivated
200 static inline int del_timer(struct timer_list *timer)  in del_timer()  argument
202 	return timer_delete(timer);  in del_timer()