linux-kernel - [PATCH] include children count, in Threads: field present in /proc/<pid>/status (take-1)

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Message-Id: <0635847A-C149-412C-92B1-A974230381F8@dts.local>
Date:	Sat, 30 Sep 2006 00:18:17 +0900 (JST)
From:	girish <girishvg@...il.com>
To:	girishvg@...il.com
Subject: [PATCH] include children count, in Threads: field present in /proc/<pid>/status (take-1)


Hello.

Could somebody please check if this is acceptable.

Thanks.

Signed-off-by: Girish V. Gulawani <girishvg@...il.com>


--- linux-vanilla/fs/proc/array.c	2006-09-20 12:42:06.000000000 +0900
+++ linux/fs/proc/array.c	2006-09-30 00:16:59.000000000 +0900
@@ -248,6 +248,8 @@ static inline char * task_sig(struct tas
  	int num_threads = 0;
  	unsigned long qsize = 0;
  	unsigned long qlim = 0;
+	int num_children = 0;
+	struct list_head *_p;

  	sigemptyset(&pending);
  	sigemptyset(&shpending);
@@ -268,9 +270,11 @@ static inline char * task_sig(struct tas
  		qlim = p->signal->rlim[RLIMIT_SIGPENDING].rlim_cur;
  		spin_unlock_irq(&p->sighand->siglock);
  	}
+	list_for_each(_p, &p->children)
+		++num_children;
  	read_unlock(&tasklist_lock);

-	buffer += sprintf(buffer, "Threads:\t%d\n", num_threads);
+	buffer += sprintf(buffer, "Threads:\t%d\n", num_threads +  
num_children);
  	buffer += sprintf(buffer, "SigQ:\t%lu/%lu\n", qsize, qlim);

  	/* render them all */
-
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