Quoting Sukadev Bhattiprolu ([email protected]): > (Trimmed Cc to Containers list) > > Updated patch to ignore 'child_stack_size' on architectures that don't > need it (see changelog v13). > > --- > > >From f87cceae72c2032d67e7855953c0f702957f723a Mon Sep 17 00:00:00 2001 > From: Sukadev Bhattiprolu <[email protected]> > Date: Thu, 12 Nov 2009 15:00:38 -0800 > Subject: [v13][PATCH 9/9] Document eclone() syscall > > This gives a brief overview of the eclone() system call. We should > eventually describe more details in existing clone(2) man page or in > a new man page. > > Changelog[v13-rc1]: > - [Nathan Lynch, Serge Hallyn] Rename ->child_stack_base to > ->child_stack and ensure ->child_stack_size is 0 on architectures > that don't need it. > > Changelog[v12]: > - [Serge Hallyn] Fix/simplify stack-setup in the example code > - [Serge Hallyn, Oren Laadan] Rename syscall to eclone() > > Changelog[v11]: > - [Dave Hansen] Move clone_args validation checks to arch-indpendent > code. > - [Oren Laadan] Make args_size a parameter to system call and remove > it from 'struct clone_args' > - [Oren Laadan] Fix some typos and clarify the order of pids in the > @pids parameter. > > Changelog[v10]: > - Rename clone3() to clone_with_pids() and fix some typos. > - Modify example to show usage with the ptregs implementation. > Changelog[v9]: > - [Pavel Machek]: Fix an inconsistency and rename new file to > Documentation/clone3. > - [Roland McGrath, H. Peter Anvin] Updates to description and > example to reflect new prototype of clone3() and the updated/ > renamed 'struct clone_args'. > > Changelog[v8]: > - clone2() is already in use in IA64. Rename syscall to clone3() > - Add notes to say that we return -EINVAL if invalid clone flags > are specified or if the reserved fields are not 0. > Changelog[v7]: > - Rename clone_with_pids() to clone2() > - Changes to reflect new prototype of clone2() (using clone_struct). > > Signed-off-by: Sukadev Bhattiprolu <[email protected]> > Acked-by: Oren Laadan <[email protected]>
Acked-by: Serge Hallyn <[email protected]> except: ... > +/* > + * Allocate a stack for the clone-child and arrange to have the child > + * execute @child_fn with @child_arg as the argument. > + */ > +void *setup_stack(int (*child_fn)(void *), void *child_arg, int size) > +{ > + void *stack_base; > + void **stack_top; > + > + stack_base = malloc(size + size); what is this (size + size) about? _______________________________________________ Containers mailing list [email protected] https://lists.linux-foundation.org/mailman/listinfo/containers _______________________________________________ Devel mailing list [email protected] https://openvz.org/mailman/listinfo/devel
