函数逻辑报告

函数名称：sys_sigprocmask - examine and change blocked signals*@how: whether to add, remove, or set signals*@nset: signals to add or remove (if non-null)*@oset: previous value of signal mask if non-null* Some platforms have their own version with special arguments;

函数原型：SYSCALL_DEFINE3(sigprocmask, int, how, old_sigset_t __user *, nset, old_sigset_t __user *, oset)

返回类型：

参数：无