In reply to Varun Marichi:
For this there is no direct way you can use something like this:
bit a,b,c;
fork
begin
T1;
a = 1;
wait( b || c);
end
begin
T2;
b = 1;
wait(a || c);
end
begin
T3;
c = 1;
wait(a || b);
end
join_any