--- cups/util.c	Mon Jan 19 23:26:36 1970

+++ cups/util.c	Mon Jan 19 23:26:36 1970

@@ -70,6 +70,9 @@

 #  include <unistd.h>

 #endif /* WIN32 || __EMX__ */

+#if defined(__sun)

+#include <inet/tcp.h>		/* need this for TCPS_ESTABLISHED ... */

+#endif

 /*

  * Local functions...

@@ -1659,6 +1662,38 @@

       cg->http = NULL;

     }

   }

+

+#if defined(__sun)

+ /*

+  * Check the connection state.

+  * If the connection wasn't used for some time, the server could close it.

+  * The socket state would change to CLOSE_WAIT in such case.

+  */

+  if (cg->http)

+  {

+    struct tcp_info tcpi;

+    socklen_t len = sizeof(tcpi);

+    memset(&tcpi, 0, sizeof(tcpi));

+

+   /*

+    * Get TCP connection info.

+    */

+    if (getsockopt(cg->http->fd, IPPROTO_TCP, TCP_INFO, &tcpi, &len) == 0)

+    {

+     /*

+      * Successfully got TCP connection state. Check it.

+      */

+      if (tcpi.tcpi_state != TCPS_ESTABLISHED)

+      {

+       /*

+        * Need to close the current connection.

+        */

+        httpClose(cg->http);

+        cg->http = NULL;

+      }

+    }

+  }

+#endif

  /*

   * (Re)connect as needed...