SIGTERM is one of the POSIX mandated signals; it indicates that the process should terminate, which is also the default action for SIGTERM.
Questions tagged [sigterm]
238 questions
3
votes
1 answer
To What Extent Can One Rely on Writing to Disk When SIGTERM is Given?
I am developing for Linux and have a daemon that should write to disk when it is killed. The daemon could be configured to listen to SIGTERM and write to disk when that signal is received.
I am also familiar with the PrepareForShutdown D-Bus signal…
lighthunter
- 33
- 5
3
votes
3 answers
PID files hanging around for daemons after server restart
I have some daemons that use PID files to prevent parallel execution of my program. I have set up a signal handler to trap SIGTERM and do the necessary clean-up including the PID file. This works great when I test using "kill -s SIGTERM #PID". …
stinkypyper
- 2,008
- 4
- 22
- 29
3
votes
0 answers
Debug TV resolution switch
I want to write an iPad application that uses extern TV.
To detect external displays, I use the recommended code:
- (void)viewDidLoad
{
[super viewDidLoad];
// ...
[[NSNotificationCenter defaultCenter] addObserver:self…
Matthias
- 8,018
- 2
- 27
- 53
3
votes
1 answer
SIGTERM Handler called multiple times
I'm doing something like this
def exitHandler(self, *args):
self.stopThreads()
sys.exit(2)
and I register that function in my self.run (working with a daemonized programm)
signal.signal(signal.SIGTERM,…
Kai
- 2,205
- 3
- 32
- 43
3
votes
0 answers
Handling Signal Sent by "Stop" While Running Debugger in QT Creator
While running my program normally in QT Creator (on a Linux machine), when I hit the "stop" button, I am able to handle the SIGTERM signal and gracefully shut down my software. However, when I run in debug mode and hit the same button, no signal…
user985030
- 1,557
- 1
- 16
- 32
2
votes
2 answers
Installing SIGTSTP Foreground Process
I am trying to install a CTRL-Z (SIGTSTP) handler for a running foreground process.
I set the handler (sigaction) right before I wait in the parent. Is this the right place? It doesn't seem to work right..
EDIT:
I am writing a shell. Here is an…
darksky
- 20,411
- 61
- 165
- 254
2
votes
1 answer
after kubernetes preStop hook, is terminationGracePeriodSeconds still honored?
I have a preStop hook for my pod that sends TSTP signals to each process, and waits for their completion, but only to a maximum of 60 seconds.
Let us say that we set terminationGracePeriodSeconds to 3600 seconds. After the completion of the preStop…
overflow_warrior_27
- 93
- 5
2
votes
1 answer
How to wait for a non-child process?
Currently I do:
while [ -d "/proc/$PID" ]; do
sleep 1
done
Since I cannot use wait as it is a non-child process.
The problem is that sleep blocks any signal trap handlers (for example for SIGINT or SIGTERM) until it is not sleeping anymore. So…
Maestro
- 9,046
- 15
- 83
- 116
2
votes
1 answer
Docker container script returned exit code 143 while container is still running
I run into a situation when Jenkins deployment broke with
+ docker run --name planning_31_deploy_prod --rm fd1c9016 sh -c 'npx sls config credentials --stage prod --provider aws --profile prod --key **** --secret **** && npx sls deploy --force…
Roman Newaza
- 11,405
- 11
- 58
- 89
2
votes
1 answer
Conventional practice for signal handling/child processes
EDIT: If managing child processes for a shell script is really purely a matter of "opinion"......no wonder there are so many terrible shell scripts. Thanks for continuing that.
I'm having trouble understanding how SIGTERM is conventionally handled…
Paul Draper
- 78,542
- 46
- 206
- 285
2
votes
0 answers
In windows container, how to graceful shutdown asp.net core application?
In windows container, how to graceful shutdown asp.net core application?
I want use external process(ex: bash,powershell,dotnet core console application) to update my external module dll(be using by Assembly.Load).
So I need to stop my application…
chimmyJay
- 21
- 2
2
votes
1 answer
Kubernetes delete deployment signal
I have the following python code:
import time
import os
import signal
from abc import abstractmethod
class Stopper:
stop = False
@staticmethod
def safe_stop(*args):
Stopper.stop = true
signal.signal(signal.SIGINT,…
Mar Teen
- 87
- 1
- 11
2
votes
0 answers
Descendent of a child process not receiving SIGTERM on ubuntu but receives on mac
So I have some code which runs a command in a spawned child process. I do this using the execa module.
const childProcess = execa.command('yarn start');
const localhostStarted = await waitForLocalhost({ port: 8000 });
…
Zameer Haque
- 394
- 4
- 24
2
votes
1 answer
Why SIGTERM event handler wasn't called in my code example?
Windows 10 x64
Node v12.19.0
Why wasn't called my handler of SIGTERM event after first opening http://localhost:3000/ in a browser? Application is terminated without executiong my handler (I don't see its console output).
// node v12.19.0
const http…
Andrey Bushman
- 11,712
- 17
- 87
- 182
2
votes
1 answer
child_process didn't receive SIGTERM inside docker container
I'm writing test for electron application in typescript.
Inside application there are register listener for SIGTERM
process.on('SIGTERM', async () => {
console.log('before exit');
await this.exit(); //some inner function can't reach…
Tymur Kubai aka SirDiR
- 384
- 3
- 16