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Lines Matching defs:io_callback

981   SyncCallback* io_callback = NULL;
983     io_callback = new SyncCallback(this, buf, callback,
988   if (!file->Read(buf->data(), buf_len, file_offset, io_callback, &completed)) {
989     if (io_callback)
990       io_callback->Discard();
994   if (io_callback && completed)
995     io_callback->Discard();
1075   SyncCallback* io_callback = NULL;
1077     io_callback = new SyncCallback(this, buf, callback,
1082   if (!file->Write(buf->data(), buf_len, file_offset, io_callback,
1084     if (io_callback)
1085       io_callback->Discard();
1089   if (io_callback && completed)
1090     io_callback->Discard();