X-Git-Url: http://git.lttng.org./?a=blobdiff_plain;ds=sidebyside;f=probes%2Flttng-kretprobes.c;h=52b3f78138f94978427eedc8e197175527270274;hb=a0493bef1367458230b0319401f8533b0400cea2;hp=6b5e046f4cf363aa6d64279b4b7443178bd74d76;hpb=06254b0fe2a909dabb889fb0d022384906f6f37a;p=lttng-modules.git

diff --git a/probes/lttng-kretprobes.c b/probes/lttng-kretprobes.c
index 6b5e046f..52b3f781 100644
--- a/probes/lttng-kretprobes.c
+++ b/probes/lttng-kretprobes.c
@@ -285,6 +285,30 @@ void lttng_kretprobes_destroy_private(struct lttng_event *event)
 }
 EXPORT_SYMBOL_GPL(lttng_kretprobes_destroy_private);
 
+int lttng_kretprobes_event_enable_state(struct lttng_event *event,
+		int enable)
+{
+	struct lttng_event *event_return;
+	struct lttng_krp *lttng_krp;
+
+	if (event->instrumentation != LTTNG_KERNEL_KRETPROBE) {
+		return -EINVAL;
+	}
+	if (event->enabled == enable) {
+		return -EBUSY;
+	}
+	lttng_krp = event->u.kretprobe.lttng_krp;
+	event_return = lttng_krp->event[EVENT_RETURN];
+	ACCESS_ONCE(event->enabled) = enable;
+	ACCESS_ONCE(event_return->enabled) = enable;
+	return 0;
+}
+EXPORT_SYMBOL_GPL(lttng_kretprobes_event_enable_state);
+
 MODULE_LICENSE("GPL and additional rights");
 MODULE_AUTHOR("Mathieu Desnoyers");
 MODULE_DESCRIPTION("Linux Trace Toolkit Kretprobes Support");
+MODULE_VERSION(__stringify(LTTNG_MODULES_MAJOR_VERSION) "."
+	__stringify(LTTNG_MODULES_MINOR_VERSION) "."
+	__stringify(LTTNG_MODULES_PATCHLEVEL_VERSION)
+	LTTNG_MODULES_EXTRAVERSION);