readerwriterlock_fair_priority_rwlock_context_manager_quickstart.py

1from readerwriterlock import rwlock
2
3# Initialize a lock (Fair priority by default)
4a_lock = rwlock.RWLockFairD()
5
6# 1. Using the lock with context managers (Recommended)
7
8# Reader access
9with a_lock.gen_rlock():
10    # Read-only operations here
11    pass
12
13# Writer access
14with a_lock.gen_wlock():
15    # Write operations here
16    pass
17
18# 2. Using the lock manually
19
20# Reader access
21rlock = a_lock.gen_rlock()
22rlock.acquire()
23try:
24    # Read-only operations here
25    pass
26finally:
27    rlock.release()
28
29# Writer access
30wlock = a_lock.gen_wlock()
31wlock.acquire()
32try:
33    # Write operations here
34    pass
35finally:
36    wlock.release()