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kill task_detached()

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Upadate the last user of task_detached(), wait_task_zombie(), to
use thread_group_leader() and kill task_detached().

Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Reviewed-by: Tejun Heo <tj@kernel.org>
This commit is contained in:
Oleg Nesterov 2011-06-22 23:09:54 +02:00
parent 0976a03e5c
commit e550f14dc6
2 changed files with 2 additions and 8 deletions
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5
kernel/exit.c
View file

@ -189,7 +189,6 @@ repeat:
zap_leader = 0;
leader = p->group_leader;
if (leader != p && thread_group_empty(leader) && leader->exit_state == EXIT_ZOMBIE) {
BUG_ON(task_detached(leader));
/*
* If we were the last child thread and the leader has
* exited already, and the leader's parent ignores SIGCHLD,
@ -1231,9 +1230,9 @@ static int wait_task_zombie(struct wait_opts *wo, struct task_struct *p)
traced = ptrace_reparented(p);
/*
* It can be ptraced but not reparented, check
* !task_detached() to filter out sub-threads.
* thread_group_leader() to filter out sub-threads.
*/
if (likely(!traced) && likely(!task_detached(p))) {
if (likely(!traced) && thread_group_leader(p)) {
struct signal_struct *psig;
struct signal_struct *sig;
unsigned long maxrss;