Function report |
Source Code:kernel\time\posix-cpu-timers.c |
Create Date:2022-07-28 10:48:10 |
Last Modify:2020-03-12 14:18:49 | Copyright©Brick |
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Name:This is called from the timer interrupt handler. The irq handler has* already updated our counts. We need to check if any timers fire now.* Interrupts are disabled.
Proto:void run_posix_cpu_timers(void)
Type:void
Parameter:Nothing
1115 | tsk = current process |
1120 | lockdep_assert_irqs_disabled() |
1129 | If Not lock_task_sighand(tsk, & flags) Then Return |
1148 | unlock_task_sighand(tsk, & flags) |
1161 | cpu_firing = firing |
1162 | firing = 0 |
1168 | If Value is more likely to compile time(cpu_firing >= 0) Then The timer is locked, fire it and arrange for its reload. |
1170 | spin_unlock( & it_lock) |
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