[uClinux-dev] Daemonize a process

Kendrick Hamilton hamilton at sedsystems.ca
Wed Mar 12 17:34:57 EST 2003


A simple way to daemonize a process:
	my_process&
This runs the process in the background.
Another way is to start the process is to use /etc/inittab.

On Wed, 12 Mar 2003, Stuart MacDonald wrote:

> The classic sequence of:
>
> fork();
> setsid();
> fork();
>
> doesn't work in uClinux because vfork blocks the parent until an _exit
> or execve().
>
> What I end up with is two D state processes (zombies) and the final
> child still parented by its real parent instead of init.
>
> I've checked a number of /user apps, but haven't found one that wants
> to do the same thing, so no example code to follow.
>
> Am I missing a simple solution, or is this just not possible until
> uClinux gets fork()? If so, what's required to get fork working? The
> comment in arch/m68knommu/kernel/process.c states that it almost
> works, but doesn't specify which bit is failing.
>
> ..Stu
>
>
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