linger()
public
Returns the linger data in sockopt as a pair of
boolean and integer.
sockopt = Socket::Option.linger(true, 10)
p sockopt.linger => [true, 10]
static VALUE
sockopt_linger(VALUE self)
{
int level = sockopt_level(self);
int optname = sockopt_optname(self);
VALUE data = sockopt_data(self);
struct linger l;
VALUE vonoff, vsecs;
if (level != SOL_SOCKET || optname != SO_LINGER)
rb_raise(rb_eTypeError, "linger socket option expected");
if (RSTRING_LEN(data) != sizeof(l))
rb_raise(rb_eTypeError, "size differ. expected as sizeof(struct linger)=%d but %ld",
(int)sizeof(struct linger), (long)RSTRING_LEN(data));
memcpy((char*)&l, RSTRING_PTR(data), sizeof(struct linger));
switch (l.l_onoff) {
case 0: vonoff = Qfalse; break;
case 1: vonoff = Qtrue; break;
default: vonoff = INT2NUM(l.l_onoff); break;
}
vsecs = INT2NUM(l.l_linger);
return rb_assoc_new(vonoff, vsecs);
}