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pid namespaces: round up the API

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The set of functions process_session, task_session, process_group and
task_pgrp is confusing, as the names can be mixed with each other when looking
at the code for a long time.

The proposals are to
* equip the functions that return the integer with _nr suffix to
  represent that fact,
* and to make all functions work with task (not process) by making
  the common prefix of the same name.

For monotony the routines signal_session() and set_signal_session() are
replaced with task_session_nr() and set_task_session(), especially since they
are only used with the explicit task->signal dereference.

Signed-off-by: Pavel Emelianov <xemul@openvz.org>
Acked-by: Serge E. Hallyn <serue@us.ibm.com>
Cc: Kirill Korotaev <dev@openvz.org>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: Cedric Le Goater <clg@fr.ibm.com>
Cc: Herbert Poetzl <herbert@13thfloor.at>
Cc: Sukadev Bhattiprolu <sukadev@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Pavel Emelianov 2007-10-18 23:39:46 -07:00 • committed by Linus Torvalds
parent 858d72ead4
commit a47afb0f9d
19 changed files with 48 additions and 53 deletions
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4
fs/proc/array.c
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@ -449,8 +449,8 @@ static int do_task_stat(struct task_struct *task, char *buffer, int whole)
gtime += cputime_add(gtime, sig->gtime);
}
sid = signal_session(sig);
pgid = process_group(task);
sid = task_session_nr(task);
pgid = task_pgrp_nr(task);
ppid = rcu_dereference(task->real_parent)->tgid;
unlock_task_sighand(task, &flags);