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  1. 18 Nov, 2012 1 commit
    • Dave Cheney's avatar
      net: remove unused nil check · 0bfece06
      Dave Cheney authored 
      This is part 1 of a series of proposals to fix issue 4369.

In resolving issue 3507 it was decided not to nil out the inner conn.fd field to avoid a race. This implies the checks for fd == nil inside incref/decref are never true.

Removing this logic removes one source of errClosing error values, which affects issue 4373 and moves towards bradfitz's request that fd.accept() return io.EOF when closed concurrently.

Update #4369.
Update #4373.

R=mikioh.mikioh, bradfitz, dvyukov, rsc
CC=golang-dev
https://golang.org/cl/6852057
      0bfece06
  3. 17 Nov, 2012 9 commits
  5. 16 Nov, 2012 7 commits
  7. 15 Nov, 2012 8 commits
  9. 14 Nov, 2012 11 commits
  11. 13 Nov, 2012 4 commits
    • Robert Griesemer's avatar
      reflect: fix FieldByNameFunc · aa388017
      Robert Griesemer authored 
      The existing algorithm did not properly propagate the type
count from one level to the next, and as a consequence it
missed collisions.

Properly propagate multiplicity (count) information to the
next level.

benchmark                old ns/op    new ns/op    delta
BenchmarkFieldByName1          182          180   -1.10%
BenchmarkFieldByName2         6273         6183   -1.43%
BenchmarkFieldByName3        49267        46784   -5.04%

Fixes #4355.

R=rsc
CC=golang-dev
https://golang.org/cl/6821094
      aa388017
    • Russ Cox's avatar
      cmd/ld: fix build on elf systems · 2e77bc48
      Russ Cox authored 
      TBR=iant
CC=golang-dev
https://golang.org/cl/6843050
      2e77bc48
    • Russ Cox's avatar
      reflect: add ArrayOf, ChanOf, MapOf, SliceOf · 11209825
      Russ Cox authored 
      In order to add these, we need to be able to find references
to such types that already exist in the binary. To do that, introduce
a new linker section holding a list of the types corresponding to
arrays, chans, maps, and slices.

To offset the storage cost of this list, and to simplify the code,
remove the interface{} header from the representation of a
runtime type. It was used in early versions of the code but was
made obsolete by the kind field: a switch on kind is more efficient
than a type switch.

In the godoc binary, removing the interface{} header cuts two
words from each of about 10,000 types. Adding back the list of pointers
to array, chan, map, and slice types reintroduces one word for
each of about 500 types. On a 64-bit machine, then, this CL *removes*
a net 156 kB of read-only data from the binary.

This CL does not include the needed support for precise garbage
collection. I have created issue 4375 to track that.

This CL also does not set the 'algorithm' - specifically the equality
and copy functions - for a new array correctly, so I have unexported
ArrayOf for now. That is also part of issue 4375.

Fixes #2339.

R=r, remyoudompheng, mirtchovski, iant
CC=golang-dev
https://golang.org/cl/6572043
      11209825
    • Brad Fitzpatrick's avatar
      cmd/api: use one token.FileSet for all contexts · 0eb42fa6
      Brad Fitzpatrick authored 
      Prep for future CL.

R=gri
CC=golang-dev
https://golang.org/cl/6843048
      0eb42fa6
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