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docs: rewrite reference docs for --stop-signal and --stop-timeout 

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
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Sebastiaan van Stijn 2021-08-21 13:50:05 +02:00
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11
docs/reference/builder.md
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@ -2173,9 +2173,14 @@ ONBUILD RUN /usr/local/bin/python-build --dir /app/src
STOPSIGNAL signal
```
The `STOPSIGNAL` instruction sets the system call signal that will be sent to the container to exit.
This signal can be a valid unsigned number that matches a position in the kernel's syscall table, for instance 9,
or a signal name in the format SIGNAME, for instance SIGKILL.
The `STOPSIGNAL` instruction sets the system call signal that will be sent to the
container to exit. This signal can be a signal name in the format `SIG<NAME>`,
for instance `SIGKILL`, or an unsigned number that matches a position in the
kernel's syscall table, for instance `9`. The default is `SIGTERM` if not
defined.
The image's default stopsignal can be overridden per container, using the
`--stop-signal` flag on `docker run` and `docker create`.
## HEALTHCHECK

2
docs/reference/commandline/create.md
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@ -109,7 +109,7 @@ Options:
Unit is optional and can be `b` (bytes), `k` (kilobytes), `m` (megabytes),
or `g` (gigabytes). If you omit the unit, the system uses bytes.
--stop-signal string Signal to stop a container (default "SIGTERM")
--stop-timeout=10 Timeout (in seconds) to stop a container
--stop-timeout int Timeout (in seconds) to stop a container
--storage-opt value Storage driver options for the container (default [])
--sysctl value Sysctl options (default map[])
--tmpfs value Mount a tmpfs directory (default [])

16
docs/reference/commandline/kill.md
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@ -20,8 +20,18 @@ Options:
The `docker kill` subcommand kills one or more containers. The main process
inside the container is sent `SIGKILL` signal (default), or the signal that is
specified with the `--signal` option. You can kill a container using the
container's ID, ID-prefix, or name.
specified with the `--signal` option. You can reference a container by its
ID, ID-prefix, or name.
The `--signal` (or `-s` shorthand) flag sets the system call signal that is sent
to the container. This signal can be a signal name in the format `SIG<NAME>`, for
instance `SIGINT`, or an unsigned number that matches a position in the kernel's
syscall table, for instance `2`.
While the default (`SIGKILL`) signal will terminate the container, the signal
set through `--signal` may be non-terminal, depending on the container's main
process. For example, the `SIGHUP` signal in most cases will be non-terminal,
and the container will continue running after receiving the signal.
> **Note**
>
@ -34,7 +44,7 @@ container's ID, ID-prefix, or name.
### Send a KILL signal to a container
The following example sends the default `KILL` signal to the container named
The following example sends the default `SIGKILL` signal to the container named
`my_container`:
```bash

23
docs/reference/commandline/run.md
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@ -120,7 +120,7 @@ Options:
or `g` (gigabytes). If you omit the unit, the system uses bytes.
--sig-proxy Proxy received signals to the process (default true)
--stop-signal string Signal to stop a container (default "SIGTERM")
--stop-timeout=10 Timeout (in seconds) to stop a container
--stop-timeout int Timeout (in seconds) to stop a container
--storage-opt value Storage driver options for the container (default [])
--sysctl value Sysctl options (default map[])
--tmpfs value Mount a tmpfs directory (default [])
@ -745,9 +745,12 @@ the three processes quota set for the `daemon` user.
### Stop container with signal (--stop-signal)
The `--stop-signal` flag sets the system call signal that will be sent to the container to exit.
This signal can be a valid unsigned number that matches a position in the kernel's syscall table, for instance 9,
or a signal name in the format SIGNAME, for instance SIGKILL.
The `--stop-signal` flag sets the system call signal that will be sent to the
container to exit. This signal can be a signal name in the format `SIG<NAME>`,
for instance `SIGKILL`, or an unsigned number that matches a position in the
kernel's syscall table, for instance `9`.
The default is `SIGTERM` if not specified.
### Optional security options (--security-opt)
@ -756,8 +759,16 @@ The `credentialspec` must be in the format `file://spec.txt` or `registry://keyn
### Stop container with timeout (--stop-timeout)
The `--stop-timeout` flag sets the timeout (in seconds) that a pre-defined (see `--stop-signal`) system call
signal that will be sent to the container to exit. After timeout elapses the container will be killed with SIGKILL.
The `--stop-timeout` flag sets the number of seconds to wait for the container
to stop after sending the pre-defined (see `--stop-signal`) system call signal.
If the container does not exit after the timeout elapses, it is forcibly killed
with a `SIGKILL` signal.
If `--stop-timeout` is set to `-1`, no timeout is applied, and the daemon will
wait indefinitely for the container to exit.
The default is determined by the daemon, and is 10 seconds for Linux containers,
and 30 seconds for Windows containers.
### Specify isolation technology for container (--isolation)

12
man/Dockerfile.5.md
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@ -183,6 +183,18 @@ A Dockerfile is similar to a Makefile.
To display an image's labels, use the `docker inspect` command.
**STOPSIGNAL**
-- `STOPSIGNAL <signal>`
The **STOPSIGNAL** instruction sets the system call signal that will be sent
to the container to exit. This signal can be a signal name in the format
**SIG<NAME>**, for instance **SIGKILL**, or an unsigned number that matches a
position in the kernel's syscall table, for instance **9**. The default is
**SIGTERM** if not defined.
The image's default stopsignal can be overridden per container, using the
**--stop-signal** flag on **docker-run(1)** and **docker-create(1)**.
**EXPOSE**
-- `EXPOSE <port> [<port>...]`
The **EXPOSE** instruction informs Docker that the container listens on the

22
man/docker-run.1.md
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@ -622,10 +622,26 @@ incompatible with any restart policy other than `none`.
Under these conditions, user can pass any size less than the backing fs size.
**--stop-signal**=*SIGTERM*
Signal to stop a container. Default is SIGTERM.
Signal to stop the container. Default is SIGTERM.
**--stop-timeout**=*10*
Timeout (in seconds) to stop a container. Default is 10.
The `--stop-signal` flag sets the system call signal that will be sent to the
container to exit. This signal can be a signal name in the format `SIG<NAME>`,
for instance `SIGKILL`, or an unsigned number that matches a position in the
kernel's syscall table, for instance `9`.
**--stop-timeout**
Timeout (in seconds) to stop a container, or **-1** to disable timeout.
The `--stop-timeout` flag sets the number of seconds to wait for the container
to stop after sending the pre-defined (see `--stop-signal`) system call signal.
If the container does not exit after the timeout elapses, it is forcibly killed
with a `SIGKILL` signal.
If `--stop-timeout` is set to **-1**, no timeout is applied, and the daemon will
wait indefinitely for the container to exit.
The default is determined by the daemon, and 10 seconds for Linux containers,
and 30 seconds for Windows containers.
**--shm-size**=""
Size of `/dev/shm`. The format is `<number><unit>`.