函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\locking\mutex.c Create Date:2022-07-27 10:47:34
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：mutex_trylock_recursive

函数原型：__must_check enum mutex_trylock_recursive_enum mutex_trylock_recursive(struct mutex *lock)

返回类型：enum mutex_trylock_recursive_enum

参数：

类型参数名称
struct mutex *lock
92  如果此条件成立可能性小(为编译器优化)(Internal helper function; C doesn't allow us to hide it :/* DO NOT USE (outside of mutex code). == 当前进程)则返回:MUTEX_TRYLOCK_RECURSIVE
95  返回:mutex_trylock - try to acquire the mutex, without waiting*@lock: the mutex to be acquired* Try to acquire the mutex atomically