X-Git-Url: https://git.lttng.org/?p=lttng-tools.git;a=blobdiff_plain;f=ltt-sessiond%2Fkernel-ctl.c;h=95463aa50fc96c6d6dfc67b8837fc08daa507dbf;hp=e42ab872e487890b8c01072aa1784bb10b9ffb19;hb=d65106b1011efccf8fa5f9d7c8f2dfb0de38f5e8;hpb=26cc6b4e17dc888cd894ef1f42a83c59d7f8a95f

diff --git a/ltt-sessiond/kernel-ctl.c b/ltt-sessiond/kernel-ctl.c
index e42ab872e..95463aa50 100644
--- a/ltt-sessiond/kernel-ctl.c
+++ b/ltt-sessiond/kernel-ctl.c
@@ -29,6 +29,68 @@
 #include "libkernelctl.h"
 #include "kernel-ctl.h"
 
+/*
+ *  kernel_add_channel_context
+ *
+ *  Add context on a kernel channel.
+ */
+int kernel_add_channel_context(struct ltt_kernel_channel *chan,
+		struct lttng_kernel_context *ctx)
+{
+	int ret;
+
+	DBG("Adding context to channel %s", chan->channel->name);
+	ret = kernctl_add_context(chan->fd, ctx);
+	if (ret < 0) {
+		perror("add context ioctl");
+		goto error;
+	}
+
+	chan->ctx = malloc(sizeof(struct lttng_kernel_context));
+	if (chan->ctx == NULL) {
+		perror("malloc event context");
+		goto error;
+	}
+
+	memcpy(chan->ctx, ctx, sizeof(struct lttng_kernel_context));
+
+	return 0;
+
+error:
+	return ret;
+}
+
+/*
+ *  kernel_add_event_context
+ *
+ *  Add context on a kernel event.
+ */
+int kernel_add_event_context(struct ltt_kernel_event *event,
+		struct lttng_kernel_context *ctx)
+{
+	int ret;
+
+	DBG("Adding context to event %s", event->event->name);
+	ret = kernctl_add_context(event->fd, ctx);
+	if (ret < 0) {
+		perror("add context ioctl");
+		goto error;
+	}
+
+	event->ctx = malloc(sizeof(struct lttng_kernel_context));
+	if (event->ctx == NULL) {
+		perror("malloc event context");
+		goto error;
+	}
+
+	memcpy(event->ctx, ctx, sizeof(struct lttng_kernel_context));
+
+	return 0;
+
+error:
+	return ret;
+}
+
 /*
  *  kernel_create_session
  *