func New(n uint) *Imp {
//
if n < 2 {
return nil
}
x := new(Imp)
x.involved = n
x.mutex = sem.New(1)
x.s = sem.New(0)
return x
}
func New(n uint) *Imp {
//
x := new(Imp)
x.val = int(n)
for i := 0; i < M; i++ {
x.b[i] = sem.New(0)
}
return x
}
func NewNaiv(n uint) *ImpNaiv {
//
return &ImpNaiv{p: uint32(n), s: sem.New(n)}
}
func NewSem() *ImpSem {
//
return &ImpSem{mutex: sem.New(1), rw: sem.New(1)}
}