Messages in this thread | | | Date | Tue, 23 Nov 2004 11:31:56 -0800 | From | Jay Lan <> | Subject | Re: [PATCH 2.6.9] fork: add a hook in do_fork() |
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This is great!
We have one more user of PAGG! :)
Happy Thanksgiving, - jay
Guillaume Thouvenin wrote: > On Tue, 2004-11-23 at 09:03 +0000, Christoph Hellwig wrote: > >>On Tue, Nov 23, 2004 at 07:03:17AM +0100, Guillaume Thouvenin wrote: >> >>> For a module, I need to execute a function when a fork occurs. My >>>solution is to add a pointer to a function (called fork_hook) in the >>>do_fork() and if this pointer isn't NULL, I call the function. To update >>>the pointer to the function I export a symbol (called trace_fork) that >>>defines another function with two parameters (the hook and an >>>identifier). This function provides a simple mechanism to manage access >>>to the fork_hook variable. >>> >> >>Use SGI's PAGG patches if you want such hooks. Also this is clearly >>a _GPL export. > > > PAGG is more intrusive than my patch due to the management of groups of > processes. This hook in the fork allows me to provide a solution to do > per-group accounting with a module. If PAGG is added in the Linux Kernel > Tree it could be the solution, you are right. > > Guillaume >
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