lkc->stream_count = 0;
lkc->event_count = 0;
lkc->enabled = 1;
- lkc->ctx = NULL;
/* Init linked list */
CDS_INIT_LIST_HEAD(&lkc->events_list.head);
CDS_INIT_LIST_HEAD(&lkc->stream_list.head);
+ CDS_INIT_LIST_HEAD(&lkc->ctx_list);
return lkc;
return NULL;
}
+/*
+ * Allocate and init a kernel context object.
+ *
+ * Return the allocated object or NULL on error.
+ */
+struct ltt_kernel_context *trace_kernel_create_context(
+ struct lttng_kernel_context *ctx)
+{
+ struct ltt_kernel_context *kctx;
+
+ kctx = zmalloc(sizeof(*kctx));
+ if (!kctx) {
+ PERROR("zmalloc kernel context");
+ goto error;
+ }
+
+ if (ctx) {
+ memcpy(&kctx->ctx, ctx, sizeof(kctx->ctx));
+ }
+
+error:
+ return kctx;
+}
+
/*
* Allocate and initialize a kernel event. Set name and event type.
*
free(event);
}
+/*
+ * Cleanup kernel context structure.
+ */
+void trace_kernel_destroy_context(struct ltt_kernel_context *ctx)
+{
+ assert(ctx);
+
+ cds_list_del(&ctx->list);
+ free(ctx);
+}
+
/*
* Cleanup kernel channel structure.
*/
{
struct ltt_kernel_stream *stream, *stmp;
struct ltt_kernel_event *event, *etmp;
+ struct ltt_kernel_context *ctx, *ctmp;
int ret;
assert(channel);
trace_kernel_destroy_event(event);
}
+ /* For each context in the channel list */
+ cds_list_for_each_entry_safe(ctx, ctmp, &channel->ctx_list, list) {
+ trace_kernel_destroy_context(ctx);
+ }
+
/* Remove from channel list */
cds_list_del(&channel->list);
free(channel->channel);
- free(channel->ctx);
free(channel);
}