def __init__(self, lock_path, lock_file_prefix="WebKitHttpd.lock.", guard_lock="WebKit.lock", filesystem=None, executive=None):
self._executive = executive or Executive()
self._filesystem = filesystem or FileSystem()
self._lock_path = lock_path
if not self._lock_path:
# FIXME: FileSystem should have an accessor for tempdir()
self._lock_path = tempfile.gettempdir()
self._lock_file_prefix = lock_file_prefix
self._lock_file_path_prefix = self._filesystem.join(self._lock_path, self._lock_file_prefix)
self._guard_lock_file = self._filesystem.join(self._lock_path, guard_lock)
self._guard_lock = FileLock(self._guard_lock_file)
self._process_lock_file_name = ""
def __init__(self,
lock_path,
lock_file_prefix="WebKitHttpd.lock.",
guard_lock="WebKit.lock"):
self._lock_path = lock_path
if not self._lock_path:
self._lock_path = tempfile.gettempdir()
self._lock_file_prefix = lock_file_prefix
self._lock_file_path_prefix = os.path.join(self._lock_path,
self._lock_file_prefix)
self._guard_lock_file = os.path.join(self._lock_path, guard_lock)
self._guard_lock = FileLock(self._guard_lock_file)
self._process_lock_file_name = ""
self._executive = Executive()
def _next_free_display(self):
running_pids = self._port.host.executive.run_command(
['ps', '-eo', 'comm,command'])
reserved_screens = set()
for pid in running_pids.split('\n'):
match = re.match('(X|Xvfb|Xorg)\s+.*\s:(?P<screen_number>\d+)',
pid)
if match:
reserved_screens.add(int(match.group('screen_number')))
for i in range(99):
if i not in reserved_screens:
_guard_lock_file = self._port.host.filesystem.join(
'/tmp', 'WebKitXvfb.lock.%i' % i)
self._guard_lock = FileLock(_guard_lock_file)
if self._guard_lock.acquire_lock():
return i
def setUp(self):
self._lock_name = "TestWebKit" + str(os.getpid()) + ".lock"
self._lock_path = os.path.join(tempfile.gettempdir(), self._lock_name)
self._file_lock1 = FileLock(self._lock_path, 0.1)
self._file_lock2 = FileLock(self._lock_path, 0.1)
