函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:arch\x86\kernel\apm_32.c Create Date:2022-07-27 09:22:20
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：apm_event_handler

函数原型：static void apm_event_handler(void)

返回类型：void

参数：无

1411  pending_count等于4
1414  如果standbys_pending大于0或suspends_pending大于0则
1415  如果connection_version大于0x100且pending_count自减小于等于0则
1417  pending_count等于4
1418  如果debug则printk(debug-level messages "apm: setting state busy\n")
1420  err等于set_system_power_state - set system wide power state*@state: which state to enter* Transition the entire system into a new APM power state.
1421  如果err则apm_error - display an APM error*@str: information string*@err: APM BIOS return code* Write a meaningful log entry to the kernel log in the event of* an APM error. Note that this also handles (negative) kernel errors.
1424  否则pending_count等于4
1426  check_events()
调用者
名称描述
apm_mainloopThis is the APM thread main loop.