def r32_lock(self, addr):
# find out associated file handle
rel = int((addr - self.base_addr) / self.lock_size)
lock_addr = self.base_addr + rel * self.lock_size
b_addr = lock_addr >> 2
lock = self.get_by_b_addr(b_addr, none_if_missing=True)
if lock != None:
# get addon text
delta = addr - lock_addr
name,off,val_type_name = self.lock_def.get_name_for_offset(delta, 2)
type_name = self.lock_def.get_type_name()
addon="%s+%d = %s(%s)+%d %s" % (type_name, delta, name, val_type_name, off, lock)
# get some special values
val = 0
# get DosList entry of associated volume
if name == 'fl_Volume':
ami_path = lock.ami_path
volume_name = self.path_mgr.ami_volume_of_path(ami_path)
log_lock.debug("fl_Volume: looking up volume '%s' of %s",volume_name,lock)
volume = self.doslist_mgr.get_entry_by_name(volume_name)
if volume == None:
raise VamosInternalError("No DosList entry found for volume '%s'" % vol)
val = volume.baddr
self.trace_mem_int('R', 2, addr, val, text="LOCK", level=logging.INFO, addon=addon)
return val
else:
# outside of locks
addon = "lock=B%06x cur_lock=B%06x" % (b_addr, self.cur_addr >> 2)
self.trace_mem_int('R', 2, addr, 0, text="LOCK??", level=logging.WARN, addon=addon)
return 0
def r32_lock(self, addr):
# find out associated file handle
rel = int((addr - self.base_addr) / self.lock_size)
lock_addr = self.base_addr + rel * self.lock_size
b_addr = lock_addr >> 2
lock = self.get_by_b_addr(b_addr, none_if_missing=True)
if lock != None:
# get addon text
delta = addr - lock_addr
name, off, val_type_name = self.lock_def.get_name_for_offset(
delta, 2)
type_name = self.lock_def.get_type_name()
addon = "%s+%d = %s(%s)+%d %s" % (type_name, delta, name,
val_type_name, off, lock)
# get some special values
val = 0
# get DosList entry of associated volume
if name == 'fl_Volume':
ami_path = lock.ami_path
volume_name = self.path_mgr.ami_volume_of_path(ami_path)
log_lock.debug("fl_Volume: looking up volume '%s' of %s",
volume_name, lock)
volume = self.doslist_mgr.get_entry_by_name(volume_name)
if volume == None:
raise VamosInternalError(
"No DosList entry found for volume '%s'" % vol)
val = volume.baddr
self.trace_mem_int('R',
2,
addr,
val,
text="LOCK",
level=logging.INFO,
addon=addon)
return val
else:
# outside of locks
addon = "lock=B%06x cur_lock=B%06x" % (b_addr, self.cur_addr >> 2)
self.trace_mem_int('R',
2,
addr,
0,
text="LOCK??",
level=logging.WARN,
addon=addon)
return 0
def examine_lock(self, lock, fib_mem):
# name
name_addr = fib_mem.s_get_addr('fib_FileName')
fib_mem.w_cstr(name_addr, lock.name)
# dummy key
fib_mem.w_s('fib_DiskKey',0xcafebabe)
# type
if os.path.isdir(lock.sys_path):
dirEntryType = 0x2 # dir
else:
dirEntryType = 0xfffffffd # file
fib_mem.w_s('fib_DirEntryType', dirEntryType )
# protection
prot = DosProtection(0)
try:
os_stat = os.stat(lock.sys_path)
mode = os_stat.st_mode
if mode & stat.S_IXUSR == 0:
prot.clr(DosProtection.FIBF_EXECUTE)
if mode & stat.S_IRUSR == 0:
prot.clr(DosProtection.FIBF_READ)
if mode & stat.S_IWUSR == 0:
prot.clr(DosProtection.FIBF_WRITE)
log_lock.debug("examine lock: '%s' mode=%03o: prot=%s", lock, mode, prot)
except OSError:
return ERROR_OBJECT_IN_USE
fib_mem.w_s('fib_Protection', prot.mask)
# size
if os.path.isfile(lock.sys_path):
size = os.path.getsize(lock.sys_path)
fib_mem.w_s('fib_Size', size)
# date (use mtime here)
date_addr = fib_mem.s_get_addr('fib_Date')
date = AccessStruct(fib_mem.mem, DateStampDef, date_addr)
t = os.path.getmtime(lock.sys_path)
at = sys_to_ami_time(t)
date.w_s('ds_Days', at.tday)
date.w_s('ds_Minute', at.tmin)
date.w_s('ds_Tick', at.tick)
return NO_ERROR
def examine_lock(self, lock, fib_mem):
# name
name_addr = fib_mem.s_get_addr('fib_FileName')
fib_mem.w_cstr(name_addr, lock.name)
# dummy key
fib_mem.w_s('fib_DiskKey', 0xcafebabe)
# type
if os.path.isdir(lock.sys_path):
dirEntryType = 0x2 # dir
else:
dirEntryType = 0xfffffffd # file
fib_mem.w_s('fib_DirEntryType', dirEntryType)
# protection
prot = DosProtection(0)
try:
os_stat = os.stat(lock.sys_path)
mode = os_stat.st_mode
if mode & stat.S_IXUSR == 0:
prot.clr(DosProtection.FIBF_EXECUTE)
if mode & stat.S_IRUSR == 0:
prot.clr(DosProtection.FIBF_READ)
if mode & stat.S_IWUSR == 0:
prot.clr(DosProtection.FIBF_WRITE)
log_lock.debug("examine lock: '%s' mode=%03o: prot=%s", lock, mode,
prot)
except OSError:
return ERROR_OBJECT_IN_USE
fib_mem.w_s('fib_Protection', prot.mask)
# size
if os.path.isfile(lock.sys_path):
size = os.path.getsize(lock.sys_path)
fib_mem.w_s('fib_Size', size)
# date (use mtime here)
date_addr = fib_mem.s_get_addr('fib_Date')
date = AccessStruct(fib_mem.mem, DateStampDef, date_addr)
t = os.path.getmtime(lock.sys_path)
at = sys_to_ami_time(t)
date.w_s('ds_Days', at.tday)
date.w_s('ds_Minute', at.tmin)
date.w_s('ds_Tick', at.tick)
return NO_ERROR
