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[PATCH] add process_session() helper routine: deprecate old field

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Add an anonymous union and ((deprecated)) to catch direct usage of the
session field.

[akpm@osdl.org: fix various missed conversions]
[jdike@addtoit.com: fix UML bug]
Signed-off-by: Jeff Dike <jdike@addtoit.com>
Cc: Cedric Le Goater <clg@fr.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Cedric Le Goater
2006-12-08 02:37:55 -08:00
committed by Linus Torvalds
parent 937949d9ed
commit 1ec320afdc
6 changed files with 27 additions and 11 deletions
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19
include/linux/sched.h
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@ -436,7 +436,12 @@ struct signal_struct {
/* job control IDs */
pid_t pgrp;
pid_t tty_old_pgrp;
pid_t session;
union {
pid_t session __deprecated;
pid_t __session;
};
/* boolean value for session group leader */
int leader;
@ -1047,9 +1052,19 @@ static inline pid_t process_group(struct task_struct *tsk)
return tsk->signal->pgrp;
}
static inline pid_t signal_session(struct signal_struct *sig)
{
return sig->__session;
}
static inline pid_t process_session(struct task_struct *tsk)
{
return tsk->signal->session;
return signal_session(tsk->signal);
}
static inline void set_signal_session(struct signal_struct *sig, pid_t session)
{
sig->__session = session;
}
static inline struct pid *task_pid(struct task_struct *task)