[PATCH 04/11] Task watchers: Make process events configurable asa module

[Matt Helsley]

This patch changes process events so that it may be configured as a module. 

Signed-off-by: Matt Helsley <matthltc@xxxxxxxxxx>
Cc: Guillaume Thouvenin <guillaume.thouvenin@xxxxxxxx>
--

 drivers/connector/Kconfig   |    8 ++++----
 drivers/connector/cn_proc.c |   18 ++++++++++++++++++
 2 files changed, 22 insertions(+), 4 deletions(-)

Index: linux-2.6.17-rc6-mm2/drivers/connector/Kconfig
===================================================================
--- linux-2.6.17-rc6-mm2.orig/drivers/connector/Kconfig
+++ linux-2.6.17-rc6-mm2/drivers/connector/Kconfig
@@ -9,13 +9,13 @@ config CONNECTOR
 
 	  Connector support can also be built as a module.  If so, the module
 	  will be called cn.ko.
 
 config PROC_EVENTS
-	boolean "Report process events to userspace"
-	depends on CONNECTOR=y
-	default y
-	---help---
+	tristate "Report process events to userspace"
+	default m
+	depends on CONNECTOR
+	help
 	  Provide a connector that reports process events to userspace. Send
 	  events such as fork, exec, id change (uid, gid, suid, etc), and exit.
 
 endmenu
Index: linux-2.6.17-rc6-mm2/drivers/connector/cn_proc.c
===================================================================
--- linux-2.6.17-rc6-mm2.orig/drivers/connector/cn_proc.c
+++ linux-2.6.17-rc6-mm2/drivers/connector/cn_proc.c
@@ -224,6 +224,24 @@ static int __init cn_proc_init(void)
 		cn_del_callback(&cn_proc_event_id);
 out:
 	return err;
 }
 
+static void cn_proc_fini(void)
+{
+	int err;
+
+	err = unregister_task_watcher(&cn_proc_nb);
+	if (err != 0)
+		printk(KERN_WARNING
+		       "cn_proc failed to unregister its task notify block\n");
+
+	cn_del_callback(&cn_proc_event_id);
+}
+
 module_init(cn_proc_init);
+module_exit(cn_proc_fini);
+
+MODULE_AUTHOR("Matt Helsley <matthltc@xxxxxxxxxx>");
+MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("Notification of process events.");
+MODULE_VERSION("2:1.0");

--

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