def run(self):
''' create virtual machine '''
# get load task
if self.used_resources.get_by_class(TaskLoaded) is None:
kernel.ask_for_resource(
kernel_data.RESOURCES.get_by_class(TaskLoaded), self,
TaskLoaded)
return
in_data = True
ds_length = 0
cs_length = 0
# manual ugly counting
for address in self.used_resources.get_by_class(TaskLoaded).addresses:
if user_memory.fetch(address) == "CODE":
in_data = False
cs_length -= 1
if in_data:
ds_length += 1
else:
cs_length += 1
kernel.create_process(
VirtualMachine, self, {
'ds_length': ds_length,
'cs_length': cs_length,
'addresses':
self.used_resources.get_by_class(TaskLoaded).addresses
})
kernel.delete_resource(self.used_resources.get_by_class(TaskLoaded))
def run(self):
''' create virtual machine '''
# get load task
if self.used_resources.get_by_class(TaskLoaded) is None:
kernel.ask_for_resource(kernel_data.RESOURCES.get_by_class(TaskLoaded), self, TaskLoaded)
return
in_data = True
ds_length = 0
cs_length = 0
# manual ugly counting
for address in self.used_resources.get_by_class(TaskLoaded).addresses:
if user_memory.fetch(address) == "CODE":
in_data = False
cs_length -= 1
if in_data:
ds_length += 1
else:
cs_length += 1
kernel.create_process(VirtualMachine, self, { 'ds_length' : ds_length, 'cs_length' : cs_length, 'addresses' : self.used_resources.get_by_class(TaskLoaded).addresses })
kernel.delete_resource(self.used_resources.get_by_class(TaskLoaded))
def __init__(self):
Process.__init__(self, {'parent' : None, 'name' : 'root', 'priority' : configs.ROOT_PRIORITY })
# init kernel
kernel_data.BLOCKED_PROCESSES = ProcessQueue()
kernel_data.READY_PROCESSES = ProcessQueue()
kernel_data.RESOURCES = ResourceList()
kernel_data.ACTIVE_PROCESS = self
# create static resources
for resource in [InputDevice, OutputDevice, UserMemory, ExternalMemory,
Terminate, EnoughSpace, Channel3, Channel1, Channel2, KernelMemory]:
kernel.create_resource(resource, self)
# create dynamic resources
# for that many files in tasks folder create task_at_input resource
counter = 0
for file in os.listdir('tasks'):
kernel.create_resource(TaskAtInput, self, {'file_path' : 'tasks/' + str(file) })
counter += 1
# create child processes
for process in [Interrupt, Print]:
kernel.create_process(process, self)
#create resources if there are tasks to execute
if kernel_data.RESOURCES.is_instance_created(TaskAtInput):
for process in [Read, ParseTask, JobToDisk, JobToMem, Manager]:
kernel.create_process(process, self)
# create tasks_found resource
if counter != 0:
kernel.create_resource(TasksFound, self, {'count' : counter})
