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From j..@hyperreal.org
Subject cvs commit: apache-1.3/src/main http_main.c
Date Thu, 10 Dec 1998 15:14:10 GMT
jim         98/12/10 07:14:10

  Modified:    src/main http_main.c
  Log:
  Add 'reset slot vhost' logic to the
  ap_update_child_status function and avoid the race as well.
  
  Revision  Changes    Path
  1.409     +11 -9     apache-1.3/src/main/http_main.c
  
  Index: http_main.c
  ===================================================================
  RCS file: /export/home/cvs/apache-1.3/src/main/http_main.c,v
  retrieving revision 1.408
  retrieving revision 1.409
  diff -u -r1.408 -r1.409
  --- http_main.c	1998/12/04 19:12:16	1.408
  +++ http_main.c	1998/12/10 15:14:08	1.409
  @@ -2069,6 +2069,17 @@
   				       sizeof(ss->request));
   	    }
   	    ss->vhostrec =  r->server;
  +	} else if (status == SERVER_STARTING) {
  +	    /* clean up the slot's vhostrec pointer (maybe re-used)
  +	     * and mark the slot as belonging to a new generation.
  +	     */
  +	    ss->vhostrec = NULL;
  +	    ap_scoreboard_image->parent[child_num].generation = ap_my_generation;
  +#ifdef SCOREBOARD_FILE
  +	    lseek(scoreboard_fd, XtOffsetOf(scoreboard, parent[child_num]), 0);
  +	    force_write(scoreboard_fd, &ap_scoreboard_image->parent[child_num],
  +		sizeof(parent_score));
  +#endif
   	}
       }
       put_scoreboard_info(child_num, ss);
  @@ -3917,15 +3928,6 @@
       Explain1("Starting new child in slot %d", slot);
       (void) ap_update_child_status(slot, SERVER_STARTING, (request_rec *) NULL);
   
  -    /* clean up the slot's vhostrec pointer now that it is being re-used,
  -     * and mark the slot as beloging to a new generation.
  -     */
  -    /* XXX: there's still a race condition here for file-based scoreboards...
  -     * but... like, do we really care to spend yet another write() operation
  -     * here? -djg
  -     */
  -    ap_scoreboard_image->servers[slot].vhostrec = NULL;
  -    ap_scoreboard_image->parent[slot].generation = ap_my_generation;
   
   #ifndef _OSD_POSIX
       if ((pid = fork()) == -1) {
  
  
  

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