On 06/14, Brandon Williams wrote:
> On 06/06, Jonathan Tan wrote:
> > When "ACK %s ready" is received, find_common() clears rev_list in an
> > attempt to stop further "have" lines from being sent [1]. It is much
> > more readable to explicitly break from the loop instead, so do this.
> >
> > This means that the memory in priority queue will be reclaimed only upon
> > program exit, similar to the cases in which "ACK %s ready" is not
>
> This seems fine for now though ideally we would remove the global
> priority queue and have it live on the stack somewhere in the call stack
> and it could be cleared unconditionally before returning.
Wait looks like a later commit does just this, maybe stick in a comment
saying a later patch is cleaning this up.
>
> > received. (A related problem occurs when do_fetch_pack() is invoked a
> > second time in the same process with a possibly non-empty priority
> > queue, but this will be solved in a subsequent patch in this patch set.)
> >
> > [1] The rationale is further described in the originating commit
> > f2cba9299b ("fetch-pack: Finish negotation if remote replies "ACK %s
> > ready"", 2011-03-14).
> >
> > Signed-off-by: Jonathan Tan <jonathanta...@google.com>
> > ---
> > fetch-pack.c | 7 +++----
> > 1 file changed, 3 insertions(+), 4 deletions(-)
> >
> > diff --git a/fetch-pack.c b/fetch-pack.c
> > index 2812499a5..09f5c83c4 100644
> > --- a/fetch-pack.c
> > +++ b/fetch-pack.c
> > @@ -517,10 +517,8 @@ static int find_common(struct fetch_pack_args *args,
> > mark_common(commit, 0, 1);
> > retval = 0;
> > got_continue = 1;
> > - if (ack == ACK_ready) {
> > - clear_prio_queue(&rev_list);
> > + if (ack == ACK_ready)
> > got_ready = 1;
> > - }
> > break;
> > }
> > }
> > @@ -530,6 +528,8 @@ static int find_common(struct fetch_pack_args *args,
> > print_verbose(args, _("giving up"));
> > break; /* give up */
> > }
> > + if (got_ready)
> > + break;
> > }
> > }
> > done:
> > @@ -1300,7 +1300,6 @@ static int process_acks(struct packet_reader *reader,
> > struct oidset *common)
> > }
> >
> > if (!strcmp(reader->line, "ready")) {
> > - clear_prio_queue(&rev_list);
> > received_ready = 1;
> > continue;
> > }
> > --
> > 2.17.0.768.g1526ddbba1.dirty
> >
>
> --
> Brandon Williams
--
Brandon Williams
