Handle a request via the userui that we abort a cycle. This is ignored at
resume time or if we're already aborting.
Signed-off-by: Nigel Cunningham <[email protected]>
kernel/power/ui.c | 26 ++++++++++++++++++++++++++
1 files changed, 26 insertions(+), 0 deletions(-)
diff --git a/kernel/power/ui.c b/kernel/power/ui.c
index 0441be5..365c033 100644
--- a/kernel/power/ui.c
+++ b/kernel/power/ui.c
@@ -92,3 +92,29 @@ void userui_redraw(void)
USERUI_MSG_REDRAW, NULL, 0);
}
+/* request_abort_suspend
+ *
+ * Description: Handle the user requesting the cancellation of a suspend by
+ * pressing escape.
+ * Callers: Invoked from a netlink packet from userspace when the user presses
+ * escape.
+ */
+void request_abort_suspend(void)
+{
+ if (test_result_state(SUSPEND_ABORT_REQUESTED))
+ return;
+
+ if (test_suspend_state(SUSPEND_NOW_RESUMING)) {
+ suspend_prepare_status(CLEAR_BAR, "Escape pressed. "
+ "Powering down again.");
+ suspend_power_down();
+ } else {
+ suspend_prepare_status(CLEAR_BAR, "--- ESCAPE PRESSED :"
+ " ABORTING PROCESS ---");
+ set_result_state(SUSPEND_ABORTED);
+ set_result_state(SUSPEND_ABORT_REQUESTED);
+
+ wake_up_interruptible(&userui_wait_for_key);
+ }
+}
+
--
Nigel Cunningham nigel at suspend2 dot net
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