[tor-commits] [tor/master] Merge branch 'bug24700_032_01' into bug24700_033_01

[nickm@xxxxxxxxxxxxxx]

commit e1a40535eaac0cd7306770660da798a0ee247549
Merge: 5516d22a2 cb5654f30
Author: David Goulet <dgoulet@xxxxxxxxxxxxxx>
Date:   Thu Feb 1 16:39:04 2018 -0500

    Merge branch 'bug24700_032_01' into bug24700_033_01

 changes/bug24700        |  4 ++++
 src/or/channel.c        |  3 +++
 src/or/scheduler.c      | 20 ++++++++++++--------
 src/or/scheduler_kist.c | 14 ++++++++++----
 4 files changed, 29 insertions(+), 12 deletions(-)

diff --cc src/or/scheduler.c
index 749df5a24,26f927fd8..931122f8d
--- a/src/or/scheduler.c
+++ b/src/or/scheduler.c
@@@ -559,11 -537,17 +559,13 @@@ scheduler_channel_has_waiting_cells,(ch
       * the other lists.  It has waiting cells now, so it goes to
       * channels_pending.
       */
 -    chan->scheduler_state = SCHED_CHAN_PENDING;
 +    scheduler_set_channel_state(chan, SCHED_CHAN_PENDING);
-     smartlist_pqueue_add(channels_pending,
-                          scheduler_compare_channels,
-                          offsetof(channel_t, sched_heap_idx),
-                          chan);
+     if (!SCHED_BUG(chan->sched_heap_idx != -1, chan)) {
+       smartlist_pqueue_add(channels_pending,
+                            scheduler_compare_channels,
+                            offsetof(channel_t, sched_heap_idx),
+                            chan);
+     }
 -    log_debug(LD_SCHED,
 -              "Channel " U64_FORMAT " at %p went from waiting_for_cells "
 -              "to pending",
 -              U64_PRINTF_ARG(chan->global_identifier), chan);
      /* If we made a channel pending, we potentially have scheduling work to
       * do. */
      the_scheduler->schedule();
@@@ -678,11 -665,19 +680,13 @@@ scheduler_channel_wants_writes(channel_
      /*
       * It can write now, so it goes to channels_pending.
       */
-     smartlist_pqueue_add(channels_pending,
-                          scheduler_compare_channels,
-                          offsetof(channel_t, sched_heap_idx),
-                          chan);
 -    log_debug(LD_SCHED, "chan=%" PRIu64 " became pending",
 -        chan->global_identifier);
 +    scheduler_set_channel_state(chan, SCHED_CHAN_PENDING);
+     if (!SCHED_BUG(chan->sched_heap_idx != -1, chan)) {
+       smartlist_pqueue_add(channels_pending,
+                            scheduler_compare_channels,
+                            offsetof(channel_t, sched_heap_idx),
+                            chan);
+     }
 -    chan->scheduler_state = SCHED_CHAN_PENDING;
 -    log_debug(LD_SCHED,
 -              "Channel " U64_FORMAT " at %p went from waiting_to_write "
 -              "to pending",
 -              U64_PRINTF_ARG(chan->global_identifier), chan);
      /* We just made a channel pending, we have scheduling work to do. */
      the_scheduler->schedule();
    } else {
diff --cc src/or/scheduler_kist.c
index 424ef0590,d2878437c..43831b72b
--- a/src/or/scheduler_kist.c
+++ b/src/or/scheduler_kist.c
@@@ -694,9 -703,11 +693,11 @@@ kist_scheduler_run(void
  
        /* Case 4: cells to send, and still open for writes */
  
 -      chan->scheduler_state = SCHED_CHAN_PENDING;
 +      scheduler_set_channel_state(chan, SCHED_CHAN_PENDING);
-       smartlist_pqueue_add(cp, scheduler_compare_channels,
-                            offsetof(channel_t, sched_heap_idx), chan);
+       if (!SCHED_BUG(chan->sched_heap_idx != -1, chan)) {
+         smartlist_pqueue_add(cp, scheduler_compare_channels,
+                              offsetof(channel_t, sched_heap_idx), chan);
+       }
      }
    } /* End of main scheduling loop */
  
@@@ -714,10 -725,15 +715,15 @@@
    /* Re-add any channels we need to */
    if (to_readd) {
      SMARTLIST_FOREACH_BEGIN(to_readd, channel_t *, readd_chan) {
 -      readd_chan->scheduler_state = SCHED_CHAN_PENDING;
 +      scheduler_set_channel_state(readd_chan, SCHED_CHAN_PENDING);
        if (!smartlist_contains(cp, readd_chan)) {
-         smartlist_pqueue_add(cp, scheduler_compare_channels,
+         if (!SCHED_BUG(chan->sched_heap_idx != -1, chan)) {
+           /* XXXX Note that the check above is in theory redundant with
+            * the smartlist_contains check.  But let's make sure we're
+            * not messing anything up, and leave them both for now. */
+           smartlist_pqueue_add(cp, scheduler_compare_channels,
                               offsetof(channel_t, sched_heap_idx), readd_chan);
+         }
        }
      } SMARTLIST_FOREACH_END(readd_chan);
      smartlist_free(to_readd);



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