Clean-up: move global sessiond symbols out of main.o

[lttng-tools.git] / src / bin / lttng-sessiond / lttng-sessiond.h

diff --git a/src/bin/lttng-sessiond/lttng-sessiond.h b/src/bin/lttng-sessiond/lttng-sessiond.h
index 6090e086c4f257311c57f068aa75ef71c585c393..f0bd98781987b96f12b185b4a5cc78037183f09d 100644 (file)
--- a/src/bin/lttng-sessiond/lttng-sessiond.h
+++ b/src/bin/lttng-sessiond/lttng-sessiond.h
@@ -1,5 +1,6 @@
 /*
  * Copyright (C) 2011 - David Goulet <david.goulet@polymtl.ca>
+ * Copyright (C) 2013 - Raphaël Beamonte <raphael.beamonte@gmail.com>
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License, version 2 only,
@@ -18,9 +19,8 @@
 #ifndef _LTT_SESSIOND_H
 #define _LTT_SESSIOND_H
 
-#define _LGPL_SOURCE
 #include <urcu.h>
-#include <urcu/wfqueue.h>
+#include <urcu/wfcqueue.h>
 
 #include <common/sessiond-comm/sessiond-comm.h>
 #include <common/compat/poll.h>
@@ -28,6 +28,8 @@
 
 #include "session.h"
 #include "ust-app.h"
+#include "notification-thread.h"
+#include "sessiond-config.h"
 
 extern const char default_home_dir[],
        default_tracing_group[],
@@ -37,6 +39,9 @@ extern const char default_home_dir[],
 /* Set in main.c at boot time of the daemon */
 extern int kernel_tracer_fd;
 
+/* Notification thread handle. */
+extern struct notification_thread_handle *notification_thread_handle;
+
 /*
  * This contains extra data needed for processing a command received by the
  * session daemon from the lttng client.
@@ -53,16 +58,35 @@ struct command_ctx {
 struct ust_command {
        int sock;
        struct ust_register_msg reg_msg;
-       struct cds_wfq_node node;
+       struct cds_wfcq_node node;
 };
 
 /*
- * Queue used to enqueue UST registration request (ust_commant) and protected
+ * Queue used to enqueue UST registration request (ust_command) and synchronized
  * by a futex with a scheme N wakers / 1 waiters. See futex.c/.h
  */
 struct ust_cmd_queue {
        int32_t futex;
-       struct cds_wfq_queue queue;
+       struct cds_wfcq_head head;
+       struct cds_wfcq_tail tail;
+};
+
+/*
+ * 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;
 };
 
 /*
@@ -82,12 +106,32 @@ extern int ht_cleanup_pipe[2];
 
 /*
  * Populated when the daemon starts with the current page size of the system.
+ * Set in main() with the current page size.
  */
 extern long page_size;
 
-int sessiond_set_thread_pollset(struct lttng_poll_event *events, size_t size);
+/* Application health monitoring */
+extern struct health_app *health_sessiond;
+
+extern struct sessiond_config config;
+
+extern int lttng_sessiond_ready;
+
+extern int ust_consumerd64_fd, ust_consumerd32_fd;
+
+/* Parent PID for --sig-parent option */
+extern pid_t ppid;
+/* Internal parent PID use with daemonize. */
+extern pid_t child_ppid;
+
+int sessiond_init_thread_quit_pipe(void);
 int sessiond_check_thread_quit_pipe(int fd, uint32_t events);
+int sessiond_wait_for_quit_pipe(unsigned int timeout_us);
+int sessiond_notify_quit_pipe(void);
+void sessiond_close_quit_pipe(void);
 
-void *thread_ht_cleanup(void *data);
+int sessiond_set_thread_pollset(struct lttng_poll_event *events, size_t size);
+void sessiond_notify_ready(void);
+void sessiond_signal_parents(void);
 
 #endif /* _LTT_SESSIOND_H */