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Fixes to testpid() for Windows.

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Handle processes that no longer exist and processes that belong to another user.

Enables the lock breaking changes from 0ab4c12ad060 and subsequently "fixes" the left over locks reported in bug 112.
This commit is contained in:
Lee Cantey 2006-03-30 18:20:08 -08:00
parent 6c28fa509f
commit 5f23e95446
1 changed files with 15 additions and 7 deletions
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22
mercurial/util.py
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@ -535,9 +535,10 @@ if os.name == 'nt':
pf = pf[1:-1] # Remove the quotes
return pf
try: # ActivePython can create hard links using win32file module
import win32api, win32con, win32file
try: # Mark Hammond's win32all package allows better functionality on Windows
import win32api, win32con, win32file, pywintypes
# create hard links using win32file module
def os_link(src, dst): # NB will only succeed on NTFS
win32file.CreateHardLink(dst, src)
@ -554,12 +555,19 @@ if os.name == 'nt':
return os.stat(pathname).st_nlink
def testpid(pid):
'''return False if pid is dead, True if running or not known'''
'''return True if pid is still running or unable to determine, False otherwise'''
try:
win32api.OpenProcess(win32con.PROCESS_QUERY_INFORMATION,
False, pid)
except:
return True
handle = win32api.OpenProcess(win32con.PROCESS_QUERY_INFORMATION, False, pid)
if handle:
status = win32process.GetExitCodeProcess(handle)
if status == win32con.STILL_ACTIVE:
return True
else:
return False
except pywintypes.error, details:
if details[0] == 87: # ERROR_INVALID_PARAMETER
return False
return True
except ImportError:
def testpid(pid):