函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\locking\rwsem.c Create Date:2022-07-27 10:48:23
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：rwsem_set_reader_owned

函数原型：static inline void rwsem_set_reader_owned(struct rw_semaphore *sem)

返回类型：void

参数：

类型参数名称
struct rw_semaphore *sem
214  The task_struct pointer of the last owning reader will be left in* the owner field.* Note that the owner value just indicates the task has owned the rwsem* previously, it may not be the real owner or one of the real owners
调用者
名称描述
rwsem_down_read_slowpathWait for the read lock to be granted
__down_readlock for reading
__down_read_killable
__down_read_trylock
__downgrade_writedowngrade write lock to read lock