[llvm-commits] [llvm] r152915 - /llvm/trunk/utils/lit/lit/TestRunner.py
NAKAMURA Takumi
geek4civic at gmail.com
Fri Mar 16 03:48:03 PDT 2012
Author: chapuni
Date: Fri Mar 16 05:48:03 2012
New Revision: 152915
URL: http://llvm.org/viewvc/llvm-project?rev=152915&view=rev
Log:
lit/TestRunner.py: [Win32] Rework WinWaitReleased().
We can simply confirm the handle released to open it with EXCLUSIVE. Attempting renaming was bad.
Modified:
llvm/trunk/utils/lit/lit/TestRunner.py
Modified: llvm/trunk/utils/lit/lit/TestRunner.py
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/utils/lit/lit/TestRunner.py?rev=152915&r1=152914&r2=152915&view=diff
==============================================================================
--- llvm/trunk/utils/lit/lit/TestRunner.py (original)
+++ llvm/trunk/utils/lit/lit/TestRunner.py Fri Mar 16 05:48:03 2012
@@ -29,12 +29,20 @@
except OSError:
pass
-def WinRename(f_o, f_n):
- import time
+def WinWaitReleased(f):
+ import time, win32file
retry_cnt = 256
- while (True):
+ while True:
try:
- os.rename(f_o, f_n)
+ h = win32file.CreateFile(
+ f,
+ 0, # Querying, neither GENERIC_READ nor GENERIC_WRITE
+ 0, # Exclusive
+ None,
+ win32file.OPEN_EXISTING,
+ win32file.FILE_ATTRIBUTE_NORMAL,
+ None)
+ h.close()
break
except WindowsError, (winerror, strerror):
retry_cnt = retry_cnt - 1
@@ -45,21 +53,6 @@
else:
raise
-def WinWaitReleased(f):
- import random
- t = "%s%06d" % (f, random.randint(0, 999999))
- RemoveForce(t)
- try:
- WinRename(f, t) # rename
- WinRename(t, f) # restore
- except WindowsError, (winerror, strerror):
- if winerror in (2, 3):
- # 2: ERROR_FILE_NOT_FOUND
- # 3: ERROR_PATH_NOT_FOUND
- pass
- else:
- raise
-
def executeCommand(command, cwd=None, env=None):
p = subprocess.Popen(command, cwd=cwd,
stdin=subprocess.PIPE,
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