[K42-discussion] process linux getfirst/next pid patch

[Muli Ben-Yehuda]

On Fri, Sep 15, 2006 at 02:39:35PM -0700, Patrick Bozeman wrote:

> Enable enumeration of ProcessLinux pids.

> diff -ru kitchsrc.orig/os/servers/baseServers/ProcessLinuxServer.C kitchsrc/os/servers/baseServers/ProcessLinuxServer.C
> --- kitchsrc.orig/os/servers/baseServers/ProcessLinuxServer.C	2006-02-28 08:59:32.000000000 -0800
> +++ kitchsrc/os/servers/baseServers/ProcessLinuxServer.C	2006-09-15 14:25:04.000000000 -0700
> @@ -1164,6 +1164,91 @@

[snippage]

> +/* virtual */ SysStatus
> +ProcessLinuxServer::_getNextPID(__inout pid_t& pid)
> +{
> +    AutoLock<BLock> as(&taskLock);
> +    task_struct *p;
> +    uval index;
> +
> +    // locate the chain on which the restart should run on.
> +    index = pid_hashfn(pid);
> +    p = pidhash[index];
> +
> +    // Search hash chain that the pid should be on
> +    if (p) {
> +	while (p) {

The if does not appear to be necessary.

Cheers,
Muli