Blame cups-busy-loop.patch
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diff -up cups-2.0.2/scheduler/client.c.busy-loop cups-2.0.2/scheduler/client.c
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--- cups-2.0.2/scheduler/client.c.busy-loop 2014-08-28 16:37:22.000000000 +0100
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+++ cups-2.0.2/scheduler/client.c 2015-03-16 17:24:32.506232983 +0000
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@@ -585,6 +585,17 @@ cupsdReadClient(cupsd_client_t *con) /*
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* connection and we need to shut it down...
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*/
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+ if (!httpGetReady(con->http) && recv(httpGetFd(con->http), buf, 1, MSG_PEEK) < 1)
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+ {
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+ /*
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+ * Connection closed...
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+ */
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+
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+ cupsdLogClient(con, CUPSD_LOG_DEBUG, "Closing on EOF.");
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+ cupsdCloseClient(con);
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+ return;
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+ }
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+
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cupsdLogClient(con, CUPSD_LOG_DEBUG, "Closing on unexpected HTTP read state %s.",
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httpStateString(httpGetState(con->http)));
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cupsdCloseClient(con);
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@@ -1979,12 +1990,6 @@ cupsdReadClient(cupsd_client_t *con) /*
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if (httpGetState(con->http) == HTTP_STATE_POST_SEND)
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{
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- /*
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- * Don't listen for activity until we decide to do something with this...
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- */
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-
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- cupsdAddSelect(httpGetFd(con->http), NULL, NULL, con);
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-
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if (con->file >= 0)
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{
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fstat(con->file, &filestats);
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