Class Lock

source code

File backed Reentrant lock.

Instance Methods

[hide private]

__init__(self, path)

source code

acquire(self, wait=True)
Acquire the lock.

source code

update(self, pid)
Update the process ID.

source code

release(self)
Release the lock.

source code

bool

acquired(self)
Test to see if acquired.

source code

Lock

P(self)
Do semiphore (P) operation.

source code

Lock

V(self)
Do semiphore (V) operation.

source code

__del__(self)

source code

Class Variables

[hide private]

Mutex mutex = Mutex()
A thread mutex.

Method Details

[hide private]

acquire(self, wait=True)

source code

Acquire the lock.

Parameters:

wait (boolean) - Indicates call will block and wait for the lock.

update(self, pid)

source code

Update the process ID.

Parameters:

pid (int) - The process ID.

acquired(self)

source code

Test to see if acquired.

Returns: bool: True if acquired.

P(self)

source code

Do semiphore (P) operation.

Returns: Lock: self

V(self)

source code

Do semiphore (V) operation.

Returns: Lock: self