函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\umh.c Create Date:2022-07-27 10:22:48
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：helper_unlock

函数原型：static void helper_unlock(void)

返回类型：void

参数：无

352  如果atomic_dec_and_test( & Number of helpers running )则wake_up( & Wait queue head used by usermodehelper_disable() to wait for all running* helpers to finish.)
调用者
名称描述
call_usermodehelper_execall_usermodehelper_exec - start a usermode application*@sub_info: information about the subprocessa*@wait: wait for the application to finish and return status.* when UMH_NO_WAIT don't wait at all, but you get no useful error back