[Devel] [PATCH v2 14/27] proc connector: use generic event helper for comm event
Stanislav Kinsburskiy
skinsbursky at virtuozzo.com
Thu Aug 17 17:00:12 MSK 2017
Signed-off-by: Stanislav Kinsburskiy <skinsbursky at virtuozzo.com>
---
drivers/connector/cn_proc.c | 28 +++++++---------------------
1 file changed, 7 insertions(+), 21 deletions(-)
diff --git a/drivers/connector/cn_proc.c b/drivers/connector/cn_proc.c
index 36a53fd..2d5ff7c 100644
--- a/drivers/connector/cn_proc.c
+++ b/drivers/connector/cn_proc.c
@@ -208,32 +208,18 @@ void proc_ptrace_connector(struct task_struct *task, int ptrace_id)
fill_ptrace_event);
}
-void proc_comm_connector(struct task_struct *task)
+static bool fill_comm_event(struct proc_event *ev, struct task_struct *task,
+ int unused)
{
- struct cn_msg *msg;
- struct proc_event *ev;
- struct timespec ts;
- __u8 buffer[CN_PROC_MSG_SIZE] __aligned(8);
-
- if (atomic_read(&proc_event_num_listeners) < 1)
- return;
-
- msg = buffer_to_cn_msg(buffer);
- ev = (struct proc_event *)msg->data;
- memset(&ev->event_data, 0, sizeof(ev->event_data));
- get_seq(&msg->seq, &ev->cpu);
- ktime_get_ts(&ts); /* get high res monotonic timestamp */
- ev->timestamp_ns = timespec_to_ns(&ts);
- ev->what = PROC_EVENT_COMM;
ev->event_data.comm.process_pid = task->pid;
ev->event_data.comm.process_tgid = task->tgid;
get_task_comm(ev->event_data.comm.comm, task);
+ return true;
+}
- memcpy(&msg->id, &cn_proc_event_id, sizeof(msg->id));
- msg->ack = 0; /* not used */
- msg->len = sizeof(*ev);
- msg->flags = 0; /* not used */
- cn_netlink_send(msg, CN_IDX_PROC, GFP_KERNEL);
+void proc_comm_connector(struct task_struct *task)
+{
+ proc_event_connector(task, PROC_EVENT_COMM, 0, fill_comm_event);
}
void proc_coredump_connector(struct task_struct *task)
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