[Suspend2][ 01/21] [Suspend2] User interface c header.

From: Nigel Cunningham
Date: Tue Jun 27 2006 - 00:57:31 EST


kernel/power/ui.c header. This implements the kernel side of the user
interface.

Signed-off-by: Nigel Cunningham <nigel@xxxxxxxxxxxx>

kernel/power/ui.c | 69 +++++++++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 69 insertions(+), 0 deletions(-)

diff --git a/kernel/power/ui.c b/kernel/power/ui.c
new file mode 100644
index 0000000..1ef8957
--- /dev/null
+++ b/kernel/power/ui.c
@@ -0,0 +1,69 @@
+/*
+ * kernel/power/ui.c
+ *
+ * Copyright (C) 1998-2001 Gabor Kuti <seasons@xxxxxxxxx>
+ * Copyright (C) 1998,2001,2002 Pavel Machek <pavel@xxxxxxx>
+ * Copyright (C) 2002-2003 Florent Chabaud <fchabaud@xxxxxxx>
+ * Copyright (C) 2002-2006 Nigel Cunningham <nigel@xxxxxxxxxxxx>
+ *
+ * This file is released under the GPLv2.
+ *
+ * Routines for Suspend2's user interface.
+ *
+ * The user interface code talks to a userspace program via a
+ * netlink socket.
+ *
+ * The kernel side:
+ * - starts the userui program;
+ * - sends text messages and progress bar status;
+ *
+ * The user space side:
+ * - passes messages regarding user requests (abort, toggle reboot etc)
+ *
+ */
+
+#define __KERNEL_SYSCALLS__
+
+#include <linux/suspend.h>
+#include <linux/freezer.h>
+#include <linux/console.h>
+#include <linux/ctype.h>
+#include <linux/tty.h>
+#include <linux/vt_kern.h>
+#include <linux/module.h>
+#include <linux/reboot.h>
+#include <linux/kmod.h>
+#include <linux/security.h>
+#include <linux/syscalls.h>
+
+#include "proc.h"
+#include "modules.h"
+#include "suspend2.h"
+#include "suspend2_common.h"
+#include "ui.h"
+#include "version.h"
+#include "netlink.h"
+#include "power.h"
+#include "power_off.h"
+
+static char local_printf_buf[1024]; /* Same as printk - should be safe */
+
+/*! The console log level we default to. */
+int suspend_default_console_level = 0;
+
+#ifdef CONFIG_NET
+static struct user_helper_data ui_helper_data;
+static struct suspend_module_ops userui_ops;
+static int orig_loglevel;
+static int orig_default_message_loglevel;
+static int orig_kmsg;
+
+static char lastheader[512];
+static int lastheader_message_len = 0;
+extern int console_suspended;
+
+/* Number of distinct progress amounts that userspace can display */
+static int progress_granularity = 30;
+
+DECLARE_WAIT_QUEUE_HEAD(userui_wait_for_key);
+

--
Nigel Cunningham nigel at suspend2 dot net
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