Messages in this thread Patch in this message | | | Date | Tue, 17 Jan 2006 08:33:17 -0600 | From | Serge Hallyn <> | Subject | RFC [patch 19/34] PID Virtualization Define pid_to_vpid functions |
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In this patch we introduce convertion functions to translate pids into virtual pids. These are just the APIs not the implementation yet. Subsequent patches will utilize these internal functions to rewrite the task virtual pid/ppid/tgid access functions such that finally we only have to rewrite these virtual conversion functions to actually obtain the pid virtualization.
Signed-off-by: Hubertus Franke <frankeh@watson.ibm.com> --- sched.h | 14 ++++++++++++++ 1 files changed, 14 insertions(+)
Index: linux-2.6.15/include/linux/sched.h =================================================================== --- linux-2.6.15.orig/include/linux/sched.h 2006-01-17 08:37:03.000000000 -0500 +++ linux-2.6.15/include/linux/sched.h 2006-01-17 08:37:05.000000000 -0500 @@ -865,6 +865,20 @@ } /** + * pid domain translation functions: + * - from kernel to user pid domain + */ +static inline pid_t pid_to_vpid(pid_t pid) +{ + return pid; +} + +static inline pid_t pgid_to_vpgid(pid_t pid) +{ + return pid; +} + +/** * pid_alive - check that a task structure is not stale * @p: Task structure to be checked. * --
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