Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\time\timer.c Create Date:2022-07-28 10:39:53
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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Name:ry_to_del_timer_sync - Try to deactivate a timer*@timer: timer to delete* This function tries to deactivate a timer. Upon successful (ret >= 0)* exit the timer is not queued and the handler is not running on any CPU.

Proto:int try_to_del_timer_sync(struct timer_list *timer)

Type:int

Parameter:

TypeParameterName
struct timer_list *timer
1219  ret = -1
1221  debug_assert_init(timer)
1223  base = We are using hashed locking: Holding per_cpu(timer_bases[x]).lock means* that all timers which are tied to this base are locked, and the base itself* is locked too.* So __run_timers/migrate_timers can safely modify all timers which could
1225  If running_timer != timer Then ret = detach_if_pending(timer, base, true)
1228  raw_spin_unlock_irqrestore( & lock, flags)
1230  Return ret