#include <urcu/wfqueue.h>
#include <common/sessiond-comm/sessiond-comm.h>
+#include <common/compat/poll.h>
#include <common/compat/socket.h>
#include "session.h"
#include "ust-app.h"
-const char *module_proc_lttng = "/proc/lttng";
-
extern const char default_home_dir[],
default_tracing_group[],
default_ust_sock_dir[],
default_global_apps_pipe[];
+/* Set in main.c at boot time of the daemon */
+extern int kernel_tracer_fd;
+
/*
* This contains extra data needed for processing a command received by the
* session daemon from the lttng client.
struct cds_wfq_queue queue;
};
+/*
+ * This is the wait queue containing wait nodes during the application
+ * registration process.
+ */
+struct ust_reg_wait_queue {
+ unsigned long count;
+ struct cds_list_head head;
+};
+
+/*
+ * Use by the dispatch registration to queue UST command socket to wait for the
+ * notify socket.
+ */
+struct ust_reg_wait_node {
+ struct ust_app *app;
+ struct cds_list_head head;
+};
+
+/*
+ * This pipe is used to inform the thread managing application notify
+ * communication that a command is queued and ready to be processed.
+ */
+extern int apps_cmd_notify_pipe[2];
+
+/*
+ * Used to notify that a hash table needs to be destroyed by dedicated
+ * thread. Required by design because we don't want to move destroy
+ * paths outside of large RCU read-side lock paths, and destroy cannot
+ * be called by call_rcu thread, because it may hang (waiting for
+ * call_rcu completion).
+ */
+extern int ht_cleanup_pipe[2];
+
+/*
+ * Populated when the daemon starts with the current page size of the system.
+ */
+extern long page_size;
+
+int sessiond_set_thread_pollset(struct lttng_poll_event *events, size_t size);
+int sessiond_check_thread_quit_pipe(int fd, uint32_t events);
+
+void *thread_ht_cleanup(void *data);
+
#endif /* _LTT_SESSIOND_H */