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@@ -506,6 +506,11 @@ circuit_package_relay_cell(cell_t *cell, circuit_t *circ,
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{
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channel_t *chan; /* where to send the cell */
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+ if (circ->marked_for_close) {
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+ /* Circuit is marked; send nothing. */
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+ return 0;
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+ }
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+
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if (cell_direction == CELL_DIRECTION_OUT) {
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crypt_path_t *thishop; /* counter for repeated crypts */
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chan = circ->n_chan;
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@@ -824,6 +829,12 @@ connection_edge_send_command(edge_connection_t *fromconn,
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return -1;
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}
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+ if (circ->marked_for_close) {
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+ /* The circuit has been marked, but not freed yet. When it's freed, it
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+ * will mark this connection for close. */
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+ return -1;
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+ }
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+
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#ifdef MEASUREMENTS_21206
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/* Keep track of the number of RELAY_DATA cells sent for directory
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* connections. */
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