threading python
import threading
import time
def thread_function(name):
print(f"Thread {name}: starting")
time.sleep(2)
print(f"Thread {name}: finishing")
my_thread = threading.Thread(target=thread_function, args=(1,))
my_thread.start()
time.sleep(1)
my_second_thread = threading.Thread(target=thread_function, args=(2,))
my_second_thread.start()
my_second_thread.join() # Wait until thread finishes to exitpython daemon thread
import threading
import time
shared_resource = False # Set the resource to False initially
lock = threading.Lock() # A lock for the shared resource
def perform_computation():
# Thread A will call this function and manipulate the resource
print(f'Thread {threading.currentThread().name} - performing some computation....')
shared_resource = True
print(f'Thread {threading.currentThread().name} - set shared_resource to True!')
print(f'Thread {threading.currentThread().name} - Finished!')
time.sleep(1)
def monitor_resource():
# Thread B will monitor the shared resource
while shared_resource == False:
time.sleep(1)
print(f'Daemon Thread {threading.currentThread().name} - Detected shared_resource = False')
time.sleep(1)
print(f'Daemon Thread {threading.currentThread().name} - Finished!')
if __name__ == '__main__':
a = threading.Thread(target=perform_computation, name='A')
b = threading.Thread(target=monitor_resource, name='B', daemon=True) # Make thread B as a daemon thread
# Now start both threads
a.start()
b.start()lock in multithreading
A Lock is a way/ method when appiled on a shared resource, informs the threads
whether it is in used currently by a thread, if it is in use,
it makes the threads to wait untill the thread which is using it releases the
lock.Copyright © 2021 Codeinu
Forgot your account's password or having trouble logging into your Account? Don't worry, we'll help you to get back your account. Enter your email address and we'll send you a recovery link to reset your password. If you are experiencing problems resetting your password contact us
