method

select

v1_9_1_378 - Show latest stable - 1 note - Class: Kernel

select(p1, p2 = v2, p3 = v3, p4 = v4) public

static VALUE
rb_f_select(int argc, VALUE *argv, VALUE obj)
{
    VALUE timeout;
    struct select_args args;
    struct timeval timerec;
    int i;

    rb_scan_args(argc, argv, "13", &args.read, &args.write, &args.except, &timeout);
    if (NIL_P(timeout)) {
        args.timeout = 0;
    }
    else {
        timerec = rb_time_interval(timeout);
        args.timeout = &timerec;
    }

    for (i = 0; i < sizeof(args.fdsets) / sizeof(args.fdsets[0]); ++i)
        rb_fd_init(&args.fdsets[i]);

#ifdef HAVE_RB_FD_INIT
    return rb_ensure(select_call, (VALUE)&args, select_end, (VALUE)&args);
#else
    return select_internal(args.read, args.write, args.except,
                           args.timeout, args.fdsets);
#endif

}

November 20, 2008

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more info

Look at this link for more info: http://www.rubycentral.com/book/ref_m_kernel.html#Kernel.select

select

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