def _register_lock(self, lock):
addr = self.cur_addr
self.cur_addr += self.lock_size
lock.addr = addr
lock.b_addr = addr >> 2
self.locks_by_b_addr[lock.b_addr] = lock
log_lock.info("registered: %s" % lock)
def _register_lock(self, lock):
addr = self.cur_addr
self.cur_addr += self.lock_size
lock.addr = addr
lock.b_addr = addr >> 2
self.locks_by_b_addr[lock.b_addr] = lock
log_lock.info("registered: %s" % lock)
def _unregister_lock(self, lock):
if not self.locks_by_b_addr.has_key(lock.b_addr):
raise VamosInternalError("Lock %s not registered!" % lock)
check = self.locks_by_b_addr[lock.b_addr]
if check != lock:
raise VamosInternalError("Invalid Lock unregistered: %s" % lock)
del self.locks_by_b_addr[lock.b_addr]
log_lock.info("unregistered: %s" % lock)
lock.b_addr = 0
lock.addr = 0
def __init__(self, path_mgr, doslist_mgr, base_addr, size):
self.path_mgr = path_mgr
self.doslist_mgr = doslist_mgr
self.base_addr = base_addr
self.cur_addr = base_addr
log_lock.info("init manager: base=%06x" % self.base_addr)
self.locks_by_b_addr = {}
LabelRange.__init__(self, "locks", base_addr, size)
self.lock_def = FileLockDef
self.lock_size = FileLockDef.get_size()
def _unregister_lock(self, lock):
if not self.locks_by_b_addr.has_key(lock.b_addr):
raise VamosInternalError("Lock %s not registered!" % lock)
check = self.locks_by_b_addr[lock.b_addr]
if check != lock:
raise VamosInternalError("Invalid Lock unregistered: %s" % lock)
del self.locks_by_b_addr[lock.b_addr]
log_lock.info("unregistered: %s" % lock)
lock.b_addr = 0
lock.addr = 0
def __init__(self, path_mgr, doslist_mgr, base_addr, size):
self.path_mgr = path_mgr
self.doslist_mgr = doslist_mgr
self.base_addr = base_addr
self.cur_addr = base_addr
log_lock.info("init manager: base=%06x" % self.base_addr)
self.locks_by_b_addr = {}
LabelRange.__init__(self, "locks", base_addr, size)
self.lock_def = FileLockDef
self.lock_size = FileLockDef.get_size()
def create_lock(self, ami_path, exclusive):
if ami_path == '':
ami_path = self.path_mgr.ami_abs_cur_path()
else:
ami_path = self.path_mgr.ami_abs_path(ami_path)
sys_path = self.path_mgr.ami_to_sys_path(ami_path)
if sys_path == None:
log_lock.info("lock not found: '%s'" % ami_path)
return None
exists = os.path.exists(sys_path)
if not exists:
log_lock.info("lock not found: '%s' -> '%s'" % (ami_path, sys_path))
return None
name = self.path_mgr.ami_name_of_path(ami_path)
lock = AmiLock(name, ami_path, sys_path, exclusive)
self._register_lock(lock)
return lock
def create_lock(self, ami_path, exclusive):
if ami_path == '':
ami_path = self.path_mgr.ami_abs_cur_path()
else:
ami_path = self.path_mgr.ami_abs_path(ami_path)
sys_path = self.path_mgr.ami_to_sys_path(ami_path)
if sys_path == None:
log_lock.info("lock not found: '%s'" % ami_path)
return None
exists = os.path.exists(sys_path)
if not exists:
log_lock.info("lock not found: '%s' -> '%s'" %
(ami_path, sys_path))
return None
name = self.path_mgr.ami_name_of_path(ami_path)
lock = AmiLock(name, ami_path, sys_path, exclusive)
self._register_lock(lock)
return lock
