gen/FreeBSD/telldir.c.patch

   1 --- telldir.c.orig      2009-11-08 14:02:31.000000000 -0800
   2 +++ telldir.c   2009-11-08 14:02:24.000000000 -0800
   3 @@ -50,7 +50,9 @@ __FBSDID("$FreeBSD: src/lib/libc/gen/tel
   4   * cookie may be used only once before it is freed. This option
   5   * is used to avoid having memory usage grow without bound.
   6   */
   7 +#if !__DARWIN_UNIX03
   8  #define SINGLEUSE
   9 +#endif /* !__DARWIN_UNIX03 */
  10
  11  /*
  12   * return a pointer into a directory
  13 @@ -61,14 +63,41 @@ telldir(dirp)
  14  {
  15         struct ddloc *lp;
  16
  17 +#if __DARWIN_UNIX03
  18 +       if (__isthreaded)
  19 +               _pthread_mutex_lock(&dirp->dd_lock);
  20 +       LIST_FOREACH(lp, &dirp->dd_td->td_locq, loc_lqe) {
  21 +               if (
  22 +#if __DARWIN_64_BIT_INO_T
  23 +                   (lp->loc_seek == dirp->dd_td->seekoff)
  24 +#else /* !__DARWIN_64_BIT_INO_T */
  25 +                   (lp->loc_seek == dirp->dd_seek)
  26 +#endif /* __DARWIN_64_BIT_INO_T */
  27 +                   && (lp->loc_loc == dirp->dd_loc))
  28 +                       goto found;
  29 +       }
  30 +       if ((lp = (struct ddloc *)malloc(sizeof(struct ddloc))) == NULL) {
  31 +               if (__isthreaded)
  32 +                       _pthread_mutex_unlock(&dirp->dd_lock);
  33 +               return (-1);
  34 +       }
  35 +#else /* !__DARWIN_UNIX03 */
  36         if ((lp = (struct ddloc *)malloc(sizeof(struct ddloc))) == NULL)
  37                 return (-1);
  38         if (__isthreaded)
  39                 _pthread_mutex_lock(&dirp->dd_lock);
  40 +#endif /* __DARWIN_UNIX03 */
  41         lp->loc_index = dirp->dd_td->td_loccnt++;
  42 +#if __DARWIN_64_BIT_INO_T
  43 +       lp->loc_seek = dirp->dd_td->seekoff;
  44 +#else /* !__DARWIN_64_BIT_INO_T */
  45         lp->loc_seek = dirp->dd_seek;
  46 +#endif /* __DARWIN_64_BIT_INO_T */
  47         lp->loc_loc = dirp->dd_loc;
  48         LIST_INSERT_HEAD(&dirp->dd_td->td_locq, lp, loc_lqe);
  49 +#if __DARWIN_UNIX03
  50 +found:
  51 +#endif /* __DARWIN_UNIX03 */
  52         if (__isthreaded)
  53                 _pthread_mutex_unlock(&dirp->dd_lock);
  54         return (lp->loc_index);
  55 @@ -92,23 +121,34 @@ _seekdir(dirp, loc)
  56         }
  57         if (lp == NULL)
  58                 return;
  59 -       if (lp->loc_loc == dirp->dd_loc && lp->loc_seek == dirp->dd_seek)
  60 +       if (lp->loc_loc == dirp->dd_loc &&
  61 +#if __DARWIN_64_BIT_INO_T
  62 +           lp->loc_seek == dirp->dd_td->seekoff
  63 +#else /* !__DARWIN_64_BIT_INO_T */
  64 +           lp->loc_seek == dirp->dd_seek
  65 +#endif /* __DARWIN_64_BIT_INO_T */
  66 +       )
  67                 goto found;
  68         (void) lseek(dirp->dd_fd, (off_t)lp->loc_seek, SEEK_SET);
  69 +#if __DARWIN_64_BIT_INO_T
  70 +       dirp->dd_td->seekoff = lp->loc_seek;
  71 +#else /* !__DARWIN_64_BIT_INO_T */
  72         dirp->dd_seek = lp->loc_seek;
  73 +#endif /* __DARWIN_64_BIT_INO_T */
  74         dirp->dd_loc = 0;
  75         while (dirp->dd_loc < lp->loc_loc) {
  76                 dp = _readdir_unlocked(dirp, 0);
  77                 if (dp == NULL)
  78                         break;
  79         }
  80 -found:
  81 +found:;
  82  #ifdef SINGLEUSE
  83         LIST_REMOVE(lp, loc_lqe);
  84         free((caddr_t)lp);
  85  #endif
  86  }
  87
  88 +#ifndef BUILDING_VARIANT
  89  /*
  90   * Reclaim memory for telldir cookies which weren't used.
  91   */
  92 @@ -127,3 +167,4 @@ _reclaim_telldir(dirp)
  93         }
  94         LIST_INIT(&dirp->dd_td->td_locq);
  95  }
  96 +#endif /* !BUILDING_VARIANT */