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ITIMER_REAL: convert to use struct pid

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signal_struct->tsk points to the ->group_leader and thus we have the nasty
code in de_thread() which has to change it and restart ->real_timer if the
leader is changed.

Use "struct pid *leader_pid" instead.  This also allows us to kill now
unneeded send_group_sig_info().

Signed-off-by: Oleg Nesterov <oleg@tv-sign.ru>
Acked-by: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: Davide Libenzi <davidel@xmailserver.org>
Cc: Pavel Emelyanov <xemul@openvz.org>
Acked-by: Roland McGrath <roland@redhat.com>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Oleg Nesterov
2008-02-08 04:19:19 -08:00
committed by Linus Torvalds
parent 46f382d2b6
commit fea9d17554
5 changed files with 5 additions and 38 deletions
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14
kernel/signal.c
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@@ -1205,20 +1205,6 @@ send_sig(int sig, struct task_struct *p, int priv)
return send_sig_info(sig, __si_special(priv), p);
}
/*
* This is the entry point for "process-wide" signals.
* They will go to an appropriate thread in the thread group.
*/
int
send_group_sig_info(int sig, struct siginfo *info, struct task_struct *p)
{
int ret;
read_lock(&tasklist_lock);
ret = group_send_sig_info(sig, info, p);
read_unlock(&tasklist_lock);
return ret;
}
void
force_sig(int sig, struct task_struct *p)
{