taskstats.ac_exitcode is assigned to task_struct.exit_code in bacct_add_tsk()
through the following kernel function calls:
do_exit()
taskstats_exit()
fill_pid()
bacct_add_tsk()
The problem is that in do_exit(), task_struct.exit_code is set to 'code' only
after taskstats_exit() has been called. So we need to move the assignment
before taskstats_exit().
Diff'd against: linux/kernel/git/stable/linux-2.6.22.y.git
Signed-off-by: Jonathan Lim <[email protected]>
--- a/kernel/exit.c 2007-08-20 16:37:55.000000000 -0700
+++ b/kernel/exit.c 2007-08-21 11:00:56.000000000 -0700
@@ -941,6 +941,7 @@ fastcall NORET_TYPE void do_exit(long co
if (unlikely(tsk->audit_context))
audit_free(tsk);
+ tsk->exit_code = code;
taskstats_exit(tsk, group_dead);
exit_mm(tsk);
@@ -961,7 +962,6 @@ fastcall NORET_TYPE void do_exit(long co
if (tsk->binfmt)
module_put(tsk->binfmt->module);
- tsk->exit_code = code;
proc_exit_connector(tsk);
exit_task_namespaces(tsk);
exit_notify(tsk);
-
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