bug #103642: Remove the deltpfil() function

With this commit the logic replacing the deltpfile() function now only logs an
appropriate message and then allows the rtcp child process to end the current
tape session gracefully.

rtcopy/rtcpd_TapeIO.c

@@ -708,18 +708,21 @@ int tcloserr(int fd, tape_list_t *tape, file_list_t *file) {
       /* flushes.                                                            */
       /*                                                                     */
       /* The new safe course of action is to log a message stating that the  */
-      /* tape may be incorrectly terminated and to then exit the rtcpd child */
-      /* process immediately with an exit value of -1.  The child process is */
-      /* exited immediately in order to eliminate the chance of the process  */
-      /* trying to continue to write to a tape and drive that are now in     */
-      /* undefined or poorly defined states.                                 */
+      /* tape may be incorrectly terminated and to then let the rtcpd child  */
+      /* process gracefully finish the current tape session.  Among other    */
+      /* benefits, letting the session end gracefully gives the rtcpd child  */
+      /* process a chance to send a TAPE OVERFLOW error to its client when   */
+      /* writing has reached the physical end of a tape.  This in turn       */
+      /* allows the client to notify the vmgrd daemon that the tape in       */
+      /* question is FULL.                                                   */
       rtcp_log(LOG_ERR,
-        "Aborting and maybe leaving the tape incorrectly terminated\n");
+        "Gracefully ending tape session and maybe leaving the tape"
+        " incorrectly terminated\n");
       tl_rtcpd.tl_log( &tl_rtcpd, 3, 2,
         "func"   , TL_MSG_PARAM_STR, "tcloserr",
         "Message", TL_MSG_PARAM_STR,
-          "Aborting and maybe leaving the tape incorrectly terminated");
-      exit(-1);
+          "Gracefully ending tape session and maybe leaving the tape"
+          " incorrectly terminated");
     }
   }
   (void) close(fd) ;