[svn r38207] revert 38182 and 38184 changes to ensuretemp()

because getpid() is different per thread
(and if e.g. run via execnet in threads ...
it creates new tempdirectories all the time)
let's consider this sometime else

--HG--
branch : trunk

py/test/config.py

@@ -6,17 +6,15 @@ from py.__.test.defaultconftest import adddefaultoptions
 
 optparse = py.compat.optparse
 
-def ensuretemp(string, dir=1, _pid2dir={}): 
+# XXX move to Config class
+basetemp = None
+def ensuretemp(string, dir=1): 
     """ return temporary directory path with
         the given string as the trailing part. 
     """ 
-    # we may be in a forking situation and want to use
-    # separate dirs then (XXX or not?)
-    pid = py.std.os.getpid()
-    basetemp = _pid2dir.get(pid, None)
+    global basetemp
     if basetemp is None: 
         basetemp = py.path.local.make_numbered_dir(prefix='pytest-')
-        _pid2dir[pid] = basetemp 
     return basetemp.ensure(string, dir=dir) 
   
 class CmdOptions(object):

py/test/testing/test_config.py

@@ -10,21 +10,6 @@ def test_tmpdir():
     assert d1 == d2
     assert d1.check(dir=1) 
 
-def test_ensuretemp_fork():
-    os = py.std.os
-    org_getpid = os.getpid
-    currpid = 0
-    def getpid():
-        return currpid
-    try:
-        os.getpid = getpid
-        d1 = py.test.ensuretemp('hello')
-        currpid = 1
-        d2 = py.test.ensuretemp('hello')
-    finally:
-        os.getpid = org_getpid
-    assert d1 != d2
-
 def test_config_cmdline_options(): 
     o = py.test.ensuretemp('configoptions') 
     o.ensure("conftest.py").write(py.code.Source("""