Process
- Process(group=None, target=None, name=None, args=(), kwargs={}, *, daemon=None)
Process objects represent activity that is run in a separate process. The Process class has equivalents of all the methods of threading.Thread.
© Python Software Foundation. PSF License Version 2 · Official docs ↗
Changed in 3.3
- 3.3: Added the daemon parameter.
Members of Process
a
- authkey
- The process’s authentication key (a byte string).
c
- close
- Close the Process object.
d
- daemon
- Return whether process is a daemon
e
- exitcode
- Return exit code of process or `None` if it has yet to stop
j
- join
- Wait until child process terminates
k
- kill
- Terminate process; sends SIGKILL signal or uses TerminateProcess()
n
- name
- The process’s name.
p
- pid
- Return identifier (PID) of process or `None` if it has yet to start
r
- run
- Method to be run in sub-process; can be overridden in sub-class
s
t
- terminate
- Terminate process; sends SIGTERM signal or uses TerminateProcess()
1 Example
>>> import multiprocessing as mp >>> def knigit(): ... print("Ni!") ... >>> process = mp.Process(target=knigit) >>> process.start() >>> Traceback (most recent call last): File ".../multiprocessing/spawn.py", line ..., in spawn_main File ".../multiprocessing/spawn.py", line ..., in _main AttributeError: module '__main__' has no attribute 'knigit' >>> process <SpawnProcess name='SpawnProcess-1' pid=379473 parent=378707 stopped exitcode=1>
from the Python docs