[PATCH 1 of 8 py3-cleanup] run-tests: drop wifexited polyfill

[Augie Fackler]

Thanks. I also got a verbal LG from mpm, so I'm pushing this (with a bunch of other stuff) to crew.

> On May 18, 2015, at 11:44, Gregory Szorc <gregory.szorc at gmail.com> wrote:
> 
> This series LGTM.
> 
> On Mon, May 18, 2015 at 8:58 AM, Augie Fackler <raf at durin42.com <mailto:raf at durin42.com>> wrote:
> # HG changeset patch
> # User Augie Fackler <augie at google.com <mailto:augie at google.com>>
> # Date 1431911704 14400
> #      Sun May 17 21:15:04 2015 -0400
> # Node ID 57acc2e6aa0e382289b2e872df7416dbf229c714
> # Parent  0851b94ffcd70276eafaa3b19aadae60da9d72fa
> run-tests: drop wifexited polyfill
> 
> os.WIFEXITED exists as of python 2.6 for me, so we no longer need this
> polyfill.
> 
> diff --git a/tests/run-tests.py b/tests/run-tests.py
> --- a/tests/run-tests.py
> +++ b/tests/run-tests.py
> @@ -87,8 +87,6 @@ if sys.version_info > (3, 0, 0):
>  if sys.version_info < (2, 5):
>      subprocess._cleanup = lambda: None
> 
> -wifexited = getattr(os, "WIFEXITED", lambda x: False)
> -
>  def checkportisavailable(port):
>      """return true if a port seems free to bind on localhost"""
>      try:
> @@ -789,7 +787,7 @@ class Test(unittest.TestCase):
>              raise
> 
>          ret = proc.wait()
> -        if wifexited(ret):
> +        if os.WIFEXITED(ret):
>              ret = os.WEXITSTATUS(ret)
> 
>          if proc.timeout:
> @@ -890,7 +888,7 @@ class TTest(Test):
>                        self._testtmp, 0, self._getenv())
>          stdout, stderr = proc.communicate()
>          ret = proc.wait()
> -        if wifexited(ret):
> +        if os.WIFEXITED(ret):
>              ret = os.WEXITSTATUS(ret)
>          if ret == 2:
>              print(stdout)
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