函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:fs\file.c Create Date:2022-07-29 10:38:46
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：get_close_on_exec

函数原型：bool get_close_on_exec(unsigned int fd)

返回类型：bool

参数：

类型参数名称
unsigned intfd
833  files等于files
836  _read_lock() - mark the beginning of an RCU read-side critical section* When synchronize_rcu() is invoked on one CPU while other CPUs* are within RCU read-side critical sections, then the* synchronize_rcu() is guaranteed to block until after all the other
837  fdt等于files_fdtable(files)
838  res等于close_on_exec(fd, fdt)
839  _read_unlock() - marks the end of an RCU read-side critical section.* In most situations, rcu_read_unlock() is immune from deadlock.* However, in kernels built with CONFIG_RCU_BOOST, rcu_read_unlock()
840  返回:res