relay: use urcu_ref_get_unless_zero

[lttng-tools.git] / src / bin / lttng-relayd / main.c

diff --git a/src/bin/lttng-relayd/main.c b/src/bin/lttng-relayd/main.c
index 919c5a96a7a2baa1680febd84ccb9e225fa3a386..0eb8e28251f2451ab229dc41cf0e62726fddc7c5 100644 (file)
--- a/src/bin/lttng-relayd/main.c
+++ b/src/bin/lttng-relayd/main.c
@@ -71,6 +71,14 @@
 #include "connection.h"
 #include "tracefile-array.h"
 
+static const char *help_msg =
+#ifdef LTTNG_EMBED_HELP
+#include <lttng-relayd.8.h>
+#else
+NULL
+#endif
+;
+
 /* command line options */
 char *opt_output_path;
 static int opt_daemon, opt_background;
@@ -250,9 +258,9 @@ static int set_option(int opt, const char *arg, const char *optname)
                }
                break;
        case 'h':
-               ret = utils_show_man_page(8, "lttng-relayd");
+               ret = utils_show_help(8, "lttng-relayd", help_msg);
                if (ret) {
-                       ERR("Cannot view man page lttng-relayd(8)");
+                       ERR("Cannot show --help for `lttng-relayd`");
                        perror("exec");
                }
                exit(EXIT_FAILURE);
@@ -969,12 +977,16 @@ static void *relay_thread_dispatcher(void *data)
 
        health_code_update();
 
-       while (!CMM_LOAD_SHARED(dispatch_thread_exit)) {
+       for (;;) {
                health_code_update();
 
                /* Atomically prepare the queue futex */
                futex_nto1_prepare(&relay_conn_queue.futex);
 
+               if (CMM_LOAD_SHARED(dispatch_thread_exit)) {
+                       break;
+               }
+
                do {
                        health_code_update();