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move daemonized kernel threads into the swapper's session

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Daemonized kernel threads run in the init's session. This doesn't match the
behaviour of kthread_create()'ed threads, and this is one of the 2 reasons
why we need a special hack in sys_setsid().

Now that set_special_pids() was changed to use struct pid, not pid_t, we can
use init_struct_pid and set 0,0 special pids.

Signed-off-by: Oleg Nesterov <oleg@tv-sign.ru>
Acked-by: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: Pavel Emelyanov <xemul@openvz.org>
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 04:19:10 -08:00 committed by Linus Torvalds
parent 8520d7c7f8
commit 297bd42b15
1 changed files with 1 additions and 1 deletions
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2
kernel/exit.c
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@ -388,7 +388,7 @@ void daemonize(const char *name, ...)
get_nsproxy(&init_nsproxy);
switch_task_namespaces(current, &init_nsproxy);
}
set_special_pids(find_pid(1));
set_special_pids(&init_struct_pid);
proc_clear_tty(current);
/* Block and flush all signals */