On 11/06/2011 08:23 PM, Roberto De Ioris wrote:
>
>> On 11/06/2011 07:58 AM, Roberto De Ioris wrote:
>>
>> --attach-daemon works file.
>>
>> I created a small python script spawning one child process.
>>
>>
>> Now I have just problems stopping uwsgi such, that the daemon
>> ( AND it's child processes are killed)
>>
>> uwsgi seems to kill the daemon process as expected, however
>> the child processes stay alive.
>>
>> What I can see is the message:
>>
>> SIGINT/SIGQUIT received...killing workers...
>>
>> and that my daemon process dies.
>> The children however won't die
>>
>>
>> I added signals handlers for all possible signals and I don't seem to
>> receive any.
>> So I don't know how I could ask the daemon to kill its children at
>> shutdown.
>>
>> Is there any trick?
>>
>>
>
> attach-daemon create a new process group, so if you call fork() and simply
> run code the children will be killed too.
>
> How do you create children ? If you call setsid(), a new process group
> will be created so uWSGI will not be able to kill them.
I naively used sobprocess.Popen
# Simplified code snippet
import subprocess
log_file = open( 'stdout.log', 'wb')
err_log_file = open('stderr.log', 'wb')
cmd = [ 'cmd' , 'param1', 'param2') ]
proc = subprocess.Popen(cmd, stdout=log_file, stderr=err_log_file)
proc.wait()
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