systemverilog中阻塞和非阻塞事件以及同步

一、SV中非阻塞事件

module test;

event ev1, ev2;

//belong to logic function part
always@(ev1)
$display("ev1 triggered at %0ts", $time);

initial wait(ev2.triggered)
$display("ev2 triggered at %0ts", $time);

//belong to stimulus
initial begin
->> #5 ev1; //"->>": non-blocking event, delay 5 cycle triggering the event
end

initial begin
->> @(ev1) ev2;