112 impl From<Signal> for SigSet {  implementation
114         SigSet {  in from()
127     pub const fn into_sigset(self) -> SigSet {  in into_sigset()  argument
128         SigSet {  in into_sigset()
242     pub struct SigSet:u64{
337     pub oldmask: SigSet, // 暂存的执行信号处理函数之前的，被设置block的信号
358         mask: &SigSet,  in setup_sigcontext()  argument
439         let sig_block: SigSet = *siginfo_read_guard.sig_block();  in do_signal()
511         let mut sigmask: SigSet = unsafe { (*frame).context.oldmask };  in sys_rt_sigreturn()
538     oldset: &SigSet,  in handle_signal()  argument
554     oldset: &SigSet,  in setup_frame()  argument