added debug msg.
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@@ -117,6 +117,7 @@ int _cbFlush(AQH_OBJECT *o)
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if (fd>=0) {
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int rv;
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DBG_ERROR(AQH_LOGDOMAIN, "Flushing");
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rv=tcflush(fd, TCIFLUSH);
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if (rv<0) {
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if (errno!=EINTR && errno!=EWOULDBLOCK && errno!=EAGAIN) {
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