*/
#define _GNU_SOURCE
+#define _LGPL_SOURCE
#include <errno.h>
#include <inttypes.h>
#include <pthread.h>
}
/* If event not enabled, disable it on the tracer */
- if (ua_event->enabled == 0) {
- ret = disable_ust_event(app, ua_sess, ua_event);
+ if (ua_event->enabled) {
+ /*
+ * We now need to explicitly enable the event, since it
+ * is now disabled at creation.
+ */
+ ret = enable_ust_event(app, ua_sess, ua_event);
if (ret < 0) {
/*
- * If we hit an EPERM, something is wrong with our disable call. If
+ * If we hit an EPERM, something is wrong with our enable call. If
* we get an EEXIST, there is a problem on the tracer side since we
* just created it.
*/
/*
* Lookup for an ust app context from an lttng_ust_context.
*
+ * Must be called while holding RCU read side lock.
* Return an ust_app_ctx object or NULL on error.
*/
static
cds_list_for_each_entry(reg, &usess->buffer_reg_uid_list, lnode) {
struct buffer_reg_channel *reg_chan;
+ rcu_read_lock();
cds_lfht_for_each_entry(reg->registry->channels->ht, &iter.iter,
reg_chan, node.node) {
ret += reg_chan->stream_count;
}
+ rcu_read_unlock();
}
break;
}