Although we can get the pids of some task's issue, this is just
more convenient to have them this way.
Signed-off-by: Pavel Emelyanov <xemul@xxxxxxxxxxxxx>.
---
fs/proc/array.c | 14 ++++++++++++++
1 files changed, 14 insertions(+), 0 deletions(-)
diff --git a/fs/proc/array.c b/fs/proc/array.c
index 5e4f776..f01f480 100644
--- a/fs/proc/array.c
+++ b/fs/proc/array.c
@@ -158,6 +158,18 @@ static inline const char *get_task_state(struct task_struct *tsk)
return *p;
}
+static void task_children(struct seq_file *m, struct task_struct *p, struct pid_namespace *ns)
+{
+ struct task_struct *c;
+
+ seq_printf(m, "Children:");
+ read_lock(&tasklist_lock);
+ list_for_each_entry(c, &p->children, sibling)
+ seq_printf(m, " %d", pid_nr_ns(task_pid(c), ns));
+ read_unlock(&tasklist_lock);
+ seq_putc(m, '\n');
+}
+
static inline void task_state(struct seq_file *m, struct pid_namespace *ns,
struct pid *pid, struct task_struct *p)
{
@@ -192,6 +204,8 @@ static inline void task_state(struct seq_file *m, struct pid_namespace *ns,
cred->uid, cred->euid, cred->suid, cred->fsuid,
cred->gid, cred->egid, cred->sgid, cred->fsgid);
+ task_children(m, p, ns);
+
task_lock(p);
if (p->files)
fdt = files_fdtable(p->files);
--
1.5.5.6
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