Messages in this thread Patch in this message | | | From | Nigel Cunningham <> | Subject | [Suspend2][ 04/13] [Suspend2] Notify userspace of a new message. | Date | Tue, 27 Jun 2006 14:39:37 +1000 |
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Wake up a userspace process when we have a new netlink message for it to process.
Signed-off-by: Nigel Cunningham <nigel@suspend2.net>
kernel/power/netlink.c | 14 ++++++++++++++ 1 files changed, 14 insertions(+), 0 deletions(-)
diff --git a/kernel/power/netlink.c b/kernel/power/netlink.c index 82a9f6d..c8c543a 100644 --- a/kernel/power/netlink.c +++ b/kernel/power/netlink.c @@ -65,3 +65,17 @@ static void put_skb(struct user_helper_d kfree_skb(skb); } + +static void suspend_notify_userspace(void* data) +{ + struct task_struct *t; + struct user_helper_data *uhd = (struct user_helper_data *) data; + + BUG_ON(!uhd); + + read_lock(&tasklist_lock); + if ((t = find_task_by_pid(uhd->pid))) + wake_up_process(t); + read_unlock(&tasklist_lock); +} + -- Nigel Cunningham nigel at suspend2 dot net - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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