parent
6a53617fde
commit
f5e19f4391
@ -0,0 +1,17 @@
|
||||
from calibre.utils.lock import create_single_instance_mutex
|
||||
|
||||
class SingleInstance:
|
||||
|
||||
def __init__(self, name):
|
||||
self.name = name
|
||||
self.release_mutex = None
|
||||
|
||||
def __enter__(self):
|
||||
self.release_mutex = create_single_instance_mutex(self.name)
|
||||
return self.release_mutex is not None
|
||||
|
||||
def __exit__(self, *a):
|
||||
if self.release_mutex is not None:
|
||||
self.release_mutex()
|
||||
self.release_mutex = None
|
||||
|
Loading…
Reference in New Issue