method

wait_writable

v2_6_3 - Show latest stable - 0 notes - Class: IO

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What's this?

wait_writable(*args) public

Waits until IO is writable without blocking and returns self or nil when times out.

static VALUE
io_wait_writable(int argc, VALUE *argv, VALUE io)
{
    rb_io_t *fptr;
    struct timeval timerec;
    struct timeval *tv;

    GetOpenFile(io, fptr);
    rb_io_check_writable(fptr);
    tv = get_timeout(argc, argv, &timerec);
    if (wait_for_single_fd(fptr, RB_WAITFD_OUT, tv)) {
        return io;
    }
    return Qnil;
}

wait_writable

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