函数逻辑报告

函数名称：sys_rt_sigaction - alter an action taken by a process*@sig: signal to be sent*@act: new sigaction*@oact: used to save the previous sigaction*@sigsetsize: size of sigset_t type

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

返回类型：

参数：无