fix a rare race condition: when we send a cell and then

mark an OR connection expired, we might close it before
finishing a flush if the other side isn't reading.


svn:r1240
This commit is contained in:
Roger Dingledine 2004-03-06 06:05:00 +00:00
parent 516ef41ac1
commit 10cee8b7f7

View File

@ -304,10 +304,9 @@ static void run_connection_housekeeping(int i, time_t now) {
/* we're an onion proxy, with no circuits; or our handshake has expired. kill it. */
log_fn(LOG_INFO,"Expiring connection to %d (%s:%d).",
i,conn->address, conn->port);
connection_mark_for_close(conn,0); /* Suppress end ??? */
/* XXX there's no concept of 'suppressing end' here, because it's an OR
* connection, and there's no such thing as an end cell for an OR
* connection. -RD */
/* flush anything waiting, e.g. a destroy for a just-expired circ */
conn->hold_open_until_flushed = 1;
connection_mark_for_close(conn,0);
} else {
/* either a full router, or we've got a circuit. send a padding cell. */
log_fn(LOG_DEBUG,"Sending keepalive to (%s:%d)",