calc_wheel_index

函数名称：calc_wheel_index

函数原型：static int calc_wheel_index(unsigned long expires, unsigned long clk)

返回类型：int

参数：

类型	参数	名称
unsigned long	expires
unsigned long	clk

499

delta等于expires减clk

502

如果delta小于The time start value for each level to select the bucket at enqueue* time.(1)则

503

idx等于Helper function to calculate the array index for a given expiry* time.

504

否则如果delta小于The time start value for each level to select the bucket at enqueue* time.(2)则

505

idx等于Helper function to calculate the array index for a given expiry* time.

506

否则如果delta小于The time start value for each level to select the bucket at enqueue* time.(3)则

507

idx等于Helper function to calculate the array index for a given expiry* time.

508

否则如果delta小于The time start value for each level to select the bucket at enqueue* time.(4)则

509

idx等于Helper function to calculate the array index for a given expiry* time.

510

否则如果delta小于The time start value for each level to select the bucket at enqueue* time.(5)则

511

idx等于Helper function to calculate the array index for a given expiry* time.

512

否则如果delta小于The time start value for each level to select the bucket at enqueue* time.(6)则

513

idx等于Helper function to calculate the array index for a given expiry* time.

514

否则如果delta小于The time start value for each level to select the bucket at enqueue* time.(7)则

515

idx等于Helper function to calculate the array index for a given expiry* time.

516

否则如果LVL_DEPTH大于8且delta小于The time start value for each level to select the bucket at enqueue* time.(8)则

517

idx等于Helper function to calculate the array index for a given expiry* time.

518

否则如果delta小于0则

519

idx等于clk按位与LVL_MASK

520

否则

525

如果expires大于等于The cutoff (max. capacity of the wheel) 则expires等于WHEEL_TIMEOUT_MAX

528

idx等于Helper function to calculate the array index for a given expiry* time.

530

返回:idx

**调用者**
名称	描述
__internal_add_timer
__mod_timer

源代码转换工具开放的插件接口	X
支持：c/c++/esqlc/java Oracle/Informix/Mysql 插件可实现：逻辑报告代码生成和批量转换代码