On 23-May-01 Seigo Tanimura wrote:
> The issue of both of the solutions briefed above is that the p_pgrp
> lock protects *excess* data. It might be another solution to introduce
> a new mutex (p_pgrpmtx) into struct proc to lock p_pgrp. Although
> memory size costs per process, contention for p_p
On Tue, 22 May 2001 07:56:52 -0700 (PDT),
John Baldwin <[EMAIL PROTECTED]> said:
John> On 22-May-01 Seigo Tanimura wrote:
>> On Tue, 22 May 2001 04:48:38 -0700 (PDT),
>> John Baldwin <[EMAIL PROTECTED]> said:
>>
John> On 22-May-01 Seigo Tanimura wrote:
For now, p_mtx protects p_pgrp in st
On 22-May-01 Seigo Tanimura wrote:
> On Tue, 22 May 2001 04:48:38 -0700 (PDT),
> John Baldwin <[EMAIL PROTECTED]> said:
>
> John> On 22-May-01 Seigo Tanimura wrote:
>>> For now, p_mtx protects p_pgrp in struct proc. This is quite
>>> troublesome for the following reason:
>
> John> Err, it doe
On Tue, 22 May 2001 21:58:10 +0900,
Seigo Tanimura said:
Seigo> On Tue, 22 May 2001 04:48:38 -0700 (PDT),
Seigo> John Baldwin <[EMAIL PROTECTED]> said:
John> On 22-May-01 Seigo Tanimura wrote:
>>> For now, p_mtx protects p_pgrp in struct proc. This is quite
>>> troublesome for the following
On Tue, 22 May 2001 04:48:38 -0700 (PDT),
John Baldwin <[EMAIL PROTECTED]> said:
John> On 22-May-01 Seigo Tanimura wrote:
>> For now, p_mtx protects p_pgrp in struct proc. This is quite
>> troublesome for the following reason:
John> Err, it doesn't really. It's mostly undecided at this point.
On 22-May-01 Seigo Tanimura wrote:
> For now, p_mtx protects p_pgrp in struct proc. This is quite
> troublesome for the following reason:
Err, it doesn't really. It's mostly undecided at this point. Also, have you
looked at the BSD/OS code on builder? They have process groups and sessions
alr
For now, p_mtx protects p_pgrp in struct proc. This is quite
troublesome for the following reason:
In some cases, we grab a p_pgrp via struct proc in order to, say,
access the session information of the process group. In other cases,
we traverse the members of a process group in order to, say, se
