Messages in this thread | | | Date | Wed, 01 Feb 2006 17:29:07 +0100 | From | Greg <> | Subject | Re: RFC [patch 13/34] PID Virtualization Define new task_pid api |
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Eric W. Biederman wrote: > > On this front I have been planning on using sys_clone as it allows > pieces of the virtualization to be incrementally built, it already > supports the FS namespace, and it supports flexibly specifying what > you want to contain. >
What would you do to handle the following case:
pid = getpid(); if (sys_clone(CLONE_CONTAINER) == 0) { ppid = getppid(); assert(ppid == pid); }
Most of the calls involving resource ids will return values that aren't *consistent* with ids already stored in userland... could possibly break some piece of code. Perhaps a sys_exec() should also be enforced to reset the process memory.
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