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Date: Sat, 16 Jan 2021 11:31:19 +0200
From: Konstantin Belousov <kostikbel@gmail.com>
To: Mateusz Guzik <mjg@freebsd.org>
Cc: src-committers@freebsd.org, dev-commits-src-all@freebsd.org,
 dev-commits-src-main@freebsd.org
Subject: Re: git: fe258f23ef36 - main - Save on getpid in setproctitle by
 supporting -1 as curproc.
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On Sat, Jan 16, 2021 at 08:38:44AM +0000, Mateusz Guzik wrote:
> diff --git a/sys/kern/kern_proc.c b/sys/kern/kern_proc.c
> index 269705205fbc..ae80ba9ed5ed 100644
> --- a/sys/kern/kern_proc.c
> +++ b/sys/kern/kern_proc.c
> @@ -2088,12 +2088,16 @@ sysctl_kern_proc_args(SYSCTL_HANDLER_ARGS)
>  	if (namelen != 1)
>  		return (EINVAL);
>  
> +	p = curproc;
>  	pid = (pid_t)name[0];
> +	if (pid == -1) {
> +		pid = p->p_pid;
> +	}
If ever done, this should be done in pget(), to provide consistent interface
for all kern.proc nodes.