static VALUE mm_bang_i()

in ext/mmap/mmap.c [1859:1881]

• 22 lines of code
• 6 McCabe index (conditional complexity)

static VALUE mm_bang_i(VALUE obj, int flag, ID id, int argc, VALUE *argv) {
    VALUE res;
    mm_ipc *i_mm;
    mm_bang bang_st;

    GetMmap(obj, i_mm, 0);
    if ((flag & MM_CHANGE) && (i_mm->t->flag & MM_FIXED)) {
        rb_raise(rb_eTypeError, "try to change the size of a fixed map");
    }
    bang_st.obj = obj;
    bang_st.flag = flag;
    bang_st.id = id;
    bang_st.argc = argc;
    bang_st.argv = argv;
    if (i_mm->t->flag & MM_IPC) {
        mm_lock(i_mm, Qtrue);
        res = rb_ensure(mm_i_bang, (VALUE)&bang_st, mm_vunlock, obj);
    } else {
        res = mm_i_bang(&bang_st);
    }
    if (res == Qnil) return res;
    return (flag & MM_ORIGIN) ? res : obj;
}