Function iFileReadAsync

src/SB/Core/gc/iFile.cpp:247–282

}

S32 iFileReadAsync(tag_xFile* file, void* buf, U32 aSize, void (*callback)(tag_xFile*),
                   S32 priority)
{
    static S32 fopcount = 1;
    tag_iFile* ps = &file->ps;
    S32 i;

    for (i = 0; i < 4; i++)
    {
        if (file_queue[i].stat != IFILE_RDSTAT_QUEUED && file_queue[i].stat != IFILE_RDSTAT_INPROG)
        {
            S32 id = fopcount++ << 2;
            S32 asynckey = id + i;

            file_queue[i].file = file;
            file_queue[i].buf = buf;
            file_queue[i].size = aSize;
            file_queue[i].offset = 0;
            file_queue[i].stat = IFILE_RDSTAT_QUEUED;
            file_queue[i].callback = callback;
            file_queue[i].asynckey = asynckey;

            aSize = (aSize < 32) ? ALIGN(aSize, 4) : 32;

            ps->fileInfo.cb.userData = (void*)i;

            DVDReadAsync(&ps->fileInfo, buf, aSize, ps->offset, async_cb);

            ps->asynckey = asynckey;

            return id + i;
        }
    }

    return -1;
}

IFILE_READSECTOR_STATUS iFileReadAsyncStatus(S32 key, S32* amtToFar)
{