Fix: report to client when snapshot will be empty

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

diff --git a/src/bin/lttng-sessiond/main.c b/src/bin/lttng-sessiond/main.c
index b665deaac1dfe851e4fd82a19c59177a72945e64..bdd48c24cb2ca6edbcc8ab7f2c6a898881f7fbb5 100644 (file)
--- a/src/bin/lttng-sessiond/main.c
+++ b/src/bin/lttng-sessiond/main.c
@@ -1308,23 +1308,7 @@ static void *thread_manage_apps(void *data)
                                                goto error;
                                        }
 
-                                       /*
-                                        * Set socket timeout for both receiving and ending.
-                                        * app_socket_timeout is in seconds, whereas
-                                        * lttcomm_setsockopt_rcv_timeout and
-                                        * lttcomm_setsockopt_snd_timeout expect msec as
-                                        * parameter.
-                                        */
-                                       (void) lttcomm_setsockopt_rcv_timeout(sock,
-                                                       app_socket_timeout * 1000);
-                                       (void) lttcomm_setsockopt_snd_timeout(sock,
-                                                       app_socket_timeout * 1000);
-
                                        DBG("Apps with sock %d added to poll set", sock);
-
-                                       health_code_update();
-
-                                       break;
                                }
                        } else {
                                /*
@@ -1340,7 +1324,6 @@ static void *thread_manage_apps(void *data)
 
                                        /* Socket closed on remote end. */
                                        ust_app_unregister(pollfd);
-                                       break;
                                }
                        }
 
@@ -1563,7 +1546,7 @@ static void *thread_dispatch_ust_registration(void *data)
                                        if (ret < 0) {
                                                PERROR("close ust sock dispatch %d", ust_cmd->sock);
                                        }
-                                       lttng_fd_put(1, LTTNG_FD_APPS);
+                                       lttng_fd_put(LTTNG_FD_APPS, 1);
                                        free(ust_cmd);
                                        goto error;
                                }
@@ -1577,7 +1560,7 @@ static void *thread_dispatch_ust_registration(void *data)
                                        if (ret < 0) {
                                                PERROR("close ust sock dispatch %d", ust_cmd->sock);
                                        }
-                                       lttng_fd_put(1, LTTNG_FD_APPS);
+                                       lttng_fd_put(LTTNG_FD_APPS, 1);
                                        free(wait_node);
                                        free(ust_cmd);
                                        continue;
@@ -1625,7 +1608,7 @@ static void *thread_dispatch_ust_registration(void *data)
                                        if (ret < 0) {
                                                PERROR("close ust sock dispatch %d", ust_cmd->sock);
                                        }
-                                       lttng_fd_put(1, LTTNG_FD_APPS);
+                                       lttng_fd_put(LTTNG_FD_APPS, 1);
                                }
                                free(ust_cmd);
                        }
@@ -1822,6 +1805,18 @@ static void *thread_registration_apps(void *data)
                                                goto error;
                                        }
 
+                                       /*
+                                        * Set socket timeout for both receiving and ending.
+                                        * app_socket_timeout is in seconds, whereas
+                                        * lttcomm_setsockopt_rcv_timeout and
+                                        * lttcomm_setsockopt_snd_timeout expect msec as
+                                        * parameter.
+                                        */
+                                       (void) lttcomm_setsockopt_rcv_timeout(sock,
+                                                       app_socket_timeout * 1000);
+                                       (void) lttcomm_setsockopt_snd_timeout(sock,
+                                                       app_socket_timeout * 1000);
+
                                        /*
                                         * Set the CLOEXEC flag. Return code is useless because
                                         * either way, the show must go on.
@@ -3877,7 +3872,7 @@ static void usage(void)
        fprintf(stderr, "  -d, --daemonize                    Start as a daemon.\n");
        fprintf(stderr, "  -g, --group NAME                   Specify the tracing group name. (default: tracing)\n");
        fprintf(stderr, "  -V, --version                      Show version number.\n");
-       fprintf(stderr, "  -S, --sig-parent                   Send SIGCHLD to parent pid to notify readiness.\n");
+       fprintf(stderr, "  -S, --sig-parent                   Send SIGUSR1 to parent pid to notify readiness.\n");
        fprintf(stderr, "  -q, --quiet                        No output at all.\n");
        fprintf(stderr, "  -v, --verbose                      Verbose mode. Activate DBG() macro.\n");
        fprintf(stderr, "  -p, --pidfile FILE                 Write a pid to FILE name overriding the default value.\n");