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ns: Add ability to save original ns and restoring it back while switcing

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This will be required for parasite transport socket creation -- it will
have to be created in a net ns we're putting parasite in and then we'll
have to restore it back to original to go on dumping.

Signed-off-by: Pavel Emelyanov <xemul@parallels.com>
This commit is contained in:
Pavel Emelyanov
2012-08-02 07:55:05 +04:00
parent 9eda83b74a
commit 2d56d1b056
4 changed files with 37 additions and 7 deletions
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include/namespaces.h
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@@ -7,5 +7,6 @@ int dump_namespaces(struct pid *pid, unsigned int ns_flags);
int prepare_namespace(int pid, unsigned long clone_flags);
struct cr_options;
int try_show_namespaces(int pid, struct cr_options *);
int switch_ns(int pid, int type, char *ns);
int switch_ns(int pid, int type, char *ns, int *rst);
int restore_ns(int rst, int type);
#endif