#define _GNU_SOURCE
#include <stdio.h>
+#include <stdlib.h>
#include <stdint.h>
#include <signal.h>
#include <sys/types.h>
#include <fcntl.h>
#include <poll.h>
#include <regex.h>
-
-#include <urcu-bp.h>
+#include <urcu/uatomic_arch.h>
#include <ust/marker.h>
#include <ust/tracectl.h>
static int init_socket(void);
-/* This needs to be called whenever a new thread is created. It notifies
- * liburcu of the new thread.
- */
-
-void ust_register_thread(void)
-{
- rcu_register_thread();
-}
-
int fd_notif = -1;
void notif_cb(void)
{
}
}
- if(found) {
- buffers_to_export--;
- }
- else {
+ if(!found) {
ERR("channel not found (%s)", channel_and_cpu);
}
list_add(&bc->list, &blocked_consumers);
+ /* Being here is the proof the daemon has mapped the buffer in its
+ * memory. We may now decrement buffers_to_export.
+ */
+ if(uatomic_read(&buf->consumed) == 0) {
+ DBG("decrementing buffers_to_export");
+ buffers_to_export--;
+ }
+
break;
}
}
{
int result;
- ust_register_thread();
-
DBG("LISTENER");
for(;;) {
*/
pidunique = make_pidunique();
- /* Initialize RCU in case the constructor order is not good. */
- rcu_init();
-
- /* It is important to do this before events start to be generated. */
- ust_register_thread();
-
DBG("Tracectl constructor");
- /* Must create socket before signal handler to prevent races.
- */
result = init_socket();
if(result == -1) {
ERR("init_socket error");
/* FIXME: technically, the locks could have been taken before the fork */
DBG("ust: forking");
+
+ /* break lock if necessary */
+ ltt_unlock_traces();
+
ltt_trace_stop("auto");
ltt_trace_destroy("auto", 1);
/* Delete all active connections */
list_del(&bc->list);
}
+ ustcomm_free_app(&ustcomm_app);
+
+ buffers_to_export = 0;
have_listener = 0;
- create_listener();
init_socket();
+ create_listener();
ltt_trace_setup("auto");
result = ltt_trace_set_type("auto", "ustrelay");
if(result < 0) {