def __init__(self): """ Initializes an instance of OreoFactory. Shared resources and locks get created in here. """ MP.__init__(self) # TODO implement me self.lock = self.Lock('lock') self.num_cookies = self.Shared('number of cookies', 0) self.num_icing = self.Shared('number of layers of icing', 0) self.cookies_ready = self.lock.Condition('cookies are ready') self.icing_ready = self.lock.Condition('icing is ready')
def __init__(self): """ Initializes an instance of BusStoplight. Shared resources and locks get created in here. """ MP.__init__(self) # TODO implement me self.boarding = self.Semaphore('boarding', 1) self.departing = self.Semaphore('departing', 1) self.multipleStudents = self.Semaphore('multiple students crossing', 1) self.boardingStudents = self.Shared('number of boarding students', 0) self.departingStudents = self.Shared('number of departing students', 0)
def __init__(self): """ Initializes an instance of BusStoplight. Shared resources and locks get created in here. """ MP.__init__(self) # TODO implement me self.lock = self.Lock('lock') self.boardingStudents = self.Shared('number of boarding students', 0) self.departingStudents = self.Shared('number of departing students', 0) self.canBoard = self.lock.Condition('can board') self.canDepart = self.lock.Condition('can depart')
def __init__(self, max_coffee_bean_units): """ Initializes an instance of EspressoCzar. Shared resources and locks get created in here. :arg max_coffee_bean_units: is an int, expects value FILL_CAPACITY """ MP.__init__(self) # TODO implement me # self.debug = True self.deque = deque() self.lock = self.Lock('monitor lock') self.empty = self.lock.Condition('machine is empty') self.full = self.lock.Condition('machine is full')
def __init__(self, max_coffee_bean_units): """ Initializes an instance of EspressoCzar. Shared resources and locks get created in here. :arg max_coffee_bean_units: is an int, expects value FILL_CAPACITY """ MP.__init__(self) # TODO implement me self.sema_empty = self.Semaphore("machine empty", max_coffee_bean_units) self.sema_full = self.Semaphore("machine full", 0) self.queue = list() self.lock = self.Lock("queue lock")
def __init__(self): """ Initializes an instance of ReaderWriterManager. Shared resources and locks get created in here. """ MP.__init__(self) self.monitor_lock = self.Lock('monitor lock') self.num_readers = self.Shared('readers currently reading', 0) self.num_writers = self.Shared('writers currently writing', 0) self.waiting_readers = self.Shared('number of waiting readers', 0) self.waiting_writers = self.Shared('number of waiting writers', 0) self.can_read = self.monitor_lock.Condition('can read') self.can_write = self.monitor_lock.Condition('can write')
def __init__(self, max_coffee_bean_units): """ Initializes an instance of EspressoCzar. Shared resources and locks get created in here. :arg max_coffee_bean_units: is an int, expects value FILL_CAPACITY """ MP.__init__(self) # TODO implement me # self.debug = True self.deque = deque() self.mutex = self.Semaphore('mutex lock', 1) self.machineFull = self.Semaphore('machine is full', 0) self.machineEmpty = self.Semaphore('machine is empty', max_coffee_bean_units)
def __init__(self, max_coffee_bean_units): """ Initializes an instance of EspressoCzar. Shared resources and locks get created in here. :arg max_coffee_bean_units: is an int, expects value FILL_CAPACITY """ MP.__init__(self) # TODO implement me self.capacity = self.Shared("capacity", max_coffee_bean_units) self.queue = list() self.size = self.Shared("shared", 0) self.lock = self.Lock("queue lock") self.full_cv = self.lock.Condition( "there is bean in the coffee machine") self.empty_cv = self.lock.Condition( "the bean in the coffee machine is not full")
def __init__(self, num_workers): """ Initializes an instance of GraphicsEngine. Shared resources and locks get created in here. """ MP.__init__(self) # TODO implement me self.lock = self.Lock('lock') self.total_threads = self.Shared('total number of threads', num_workers) self.threads_done_with_last_frame = self.Shared( 'number of threads that have done with last frame', 0) self.threads_ready_for_next_frame = self.Shared( 'number of threads that are ready for next frame', 0) self.all_threads_done_with_last_frame = self.lock.Condition( 'all threads have done with last frame') self.all_threads_ready_for_next_frame = self.lock.Condition( 'all threads are ready for next frame')
def __init__(self): """ Initializes an instance of BrokerageManager. Shared resources and locks get created in here. """ MP.__init__(self) # TODO implement me #self.debug = True self.lock = self.Lock('lock') self.AWSLambdaTask = self.Shared('number of AWSLambdaTask', 0) self.CronTask = self.Shared('number of CronTask', 0) self.IndexingTask = self.Shared('number of IndexingTask', 0) self.AWSLambdaTask_available = self.lock.Condition( 'AWSLambdaTask available') self.CronTask_available = self.lock.Condition('CronTask available') self.IndexingTask_available = self.lock.Condition( 'IndexingTask available') self.can_request = self.lock.Condition('can make a request')
def __init__(self, n): MP.__init__(self) self.capacity = self.Shared("capacity of career fair", n) self.total = self.Shared("total number of people in career fair", 0) self.cs = self.Shared("number of cs students in career fair", 0) self.econ = self.Shared("number of econ students in career fair", 0) self.aem = self.Shared("number of aem students in career fair", 0) self.waiting_recruiter = self.Shared("number of waiting recruiters", 0) self.lock = self.Lock("monitor lock") self.career_fair_not_full = self.lock.Condition( "career fair can accept more people") self.cs_le_60 = self.lock.Condition("number of cs students is <= 60%") self.no_econ = self.lock.Condition( "there is no econ students in career fair") self.no_aem = self.lock.Condition( "there is no aem students in career fair") self.no_waiting_recruiter = self.lock.Condition( "there is no waiting recruiters")
def __init__(self, n): MP.__init__(self) # TODO implement me # counter self.capacity = self.Shared("Capacity", n) self.total = self.Shared("total", 0) self.cs_count = self.Shared("cs student", 0) self.econ_count = self.Shared("econ student", 0) self.aem_count = self.Shared("aem student", 0) self.wait_hr_count = self.Shared("waiting recruiter", 0) # lock self.lock = self.Lock("career fair") self.wait_hr_lock = self.Lock("waiting recruiter counter lock") # condition variable self.empty_cv = self.lock.Condition("career fair not empty") self.cs_cv = self.lock.Condition("cs student can enter career fair") self.econ_cv = self.lock.Condition("econ student can enter career fair") self.aem_cv = self.lock.Condition("aem student can enter career fair") self.hr_cv = self.lock.Condition("recruiter waits outside career fair")
def __init__(self): MP.__init__(self) self.counter = self.Shared('counter', 0) self.lock = self.Lock("counter lock")
def __init__(self): MP.__init__(self) self.counter = self.Shared('counter', 0) self.counterLock = self.Semaphore('counter lock', 1)