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authorKaiGai Kohei <kaigai@ak.jp.nec.com>2006-06-25 05:49:25 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2006-06-25 10:01:25 -0700
commitf6ec29a42d7ac3b309a9cef179b686d23986ab98 (patch)
tree5150d4f403833ac18b468bd0e0e0a9a7cdd9f4be /include
parent0e4648141af02331f21aabcd34940c70f09a2d04 (diff)
[PATCH] pacct: avoidance to refer the last thread as a representation of the process
When pacct facility generate an 'ac_flag' field in accounting record, it refers a task_struct of the thread which died last in the process. But any other task_structs are ignored. Therefore, pacct facility drops ASU flag even if root-privilege operations are used by any other threads except the last one. In addition, AFORK flag is always set when the thread of group-leader didn't die last, although this process has called execve() after fork(). We have a same matter in ac_exitcode. The recorded ac_exitcode is an exit code of the last thread in the process. There is a possibility this exitcode is not the group leader's one.
Diffstat (limited to 'include')
-rw-r--r--include/linux/acct.h8
-rw-r--r--include/linux/sched.h2
2 files changed, 6 insertions, 4 deletions
diff --git a/include/linux/acct.h b/include/linux/acct.h
index 5bca9b3ef2d..e86bae7324d 100644
--- a/include/linux/acct.h
+++ b/include/linux/acct.h
@@ -122,16 +122,16 @@ struct super_block;
extern void acct_auto_close_mnt(struct vfsmount *m);
extern void acct_auto_close(struct super_block *sb);
extern void acct_init_pacct(struct pacct_struct *pacct);
-extern void acct_collect();
-extern void acct_process(long exitcode);
+extern void acct_collect(long exitcode, int group_dead);
+extern void acct_process(void);
extern void acct_update_integrals(struct task_struct *tsk);
extern void acct_clear_integrals(struct task_struct *tsk);
#else
#define acct_auto_close_mnt(x) do { } while (0)
#define acct_auto_close(x) do { } while (0)
#define acct_init_pacct(x) do { } while (0)
-#define acct_collect() do { } while (0)
-#define acct_process(x) do { } while (0)
+#define acct_collect(x,y) do { } while (0)
+#define acct_process() do { } while (0)
#define acct_update_integrals(x) do { } while (0)
#define acct_clear_integrals(task) do { } while (0)
#endif
diff --git a/include/linux/sched.h b/include/linux/sched.h
index abada7c1d5e..d8429dc250f 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -359,6 +359,8 @@ struct sighand_struct {
};
struct pacct_struct {
+ int ac_flag;
+ long ac_exitcode;
unsigned long ac_mem;
};