函数逻辑报告

linux kernel

5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\signal.c Create Date:2020-09-18 12:18:44
Last Modify:2020-03-17 13:28:47 Copyright©Brick
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函数名称:sys_rt_sigaction - alter an action taken by a process

函数原型:SYSCALL_DEFINE4(rt_sigaction, int, sig, const struct sigaction *, act, struct sigaction *, oact, size_t, sigsetsize)

返回类型:

参数:

4237  如果sigsetsize不等于sizeof(sigset_t)则返回:负无效的函数自变量
4240  如果actcopy_from_user( & sa, act, sa的长度)则返回:负错误的地址
4243  ret等于信号处理
4244  如果ret则返回:ret
4247  如果oactcopy_to_user(oact, & sa, sa的长度)则返回:负错误的地址
4250  返回:0