clang-tidy: add Chrome-inspired checks

[lttng-tools.git] / src / bin / lttng-sessiond / dispatch.cpp

diff --git a/src/bin/lttng-sessiond/dispatch.cpp b/src/bin/lttng-sessiond/dispatch.cpp
index cc2c7eb0ddb51aa18d74384c827f8e97a8b59012..7fa9c8f16c5fee0a00ec2b6d222d1907188bd056 100644 (file)
--- a/src/bin/lttng-sessiond/dispatch.cpp
+++ b/src/bin/lttng-sessiond/dispatch.cpp
@@ -50,7 +50,7 @@ static void update_ust_app(int app_sock)
        rcu_read_lock();
        LTTNG_ASSERT(app_sock >= 0);
        app = ust_app_find_by_sock(app_sock);
-       if (app == NULL) {
+       if (app == nullptr) {
                /*
                 * Application can be unregistered before so
                 * this is possible hence simply stopping the
@@ -93,7 +93,7 @@ static void sanitize_wait_queue(struct ust_reg_wait_queue *wait_queue)
        int ret, nb_fd = 0, i;
        unsigned int fd_added = 0;
        struct lttng_poll_event events;
-       struct ust_reg_wait_node *wait_node = NULL, *tmp_wait_node;
+       struct ust_reg_wait_node *wait_node = nullptr, *tmp_wait_node;
 
        LTTNG_ASSERT(wait_queue);
 
@@ -149,7 +149,7 @@ static void sanitize_wait_queue(struct ust_reg_wait_queue *wait_queue)
                                 * cds_list_for_each_entry_safe which uses
                                 * __typeof__(*wait_node).
                                 */
-                               wait_node = NULL;
+                               wait_node = nullptr;
                                break;
                        } else {
                                ERR("Unexpected poll events %u for sock %d", revents, pollfd);
@@ -224,8 +224,8 @@ static void *thread_dispatch_ust_registration(void *data)
 {
        int ret, err = -1;
        struct cds_wfcq_node *node;
-       struct ust_command *ust_cmd = NULL;
-       struct ust_reg_wait_node *wait_node = NULL, *tmp_wait_node;
+       struct ust_command *ust_cmd = nullptr;
+       struct ust_reg_wait_node *wait_node = nullptr, *tmp_wait_node;
        struct ust_reg_wait_queue wait_queue = {
                .count = 0,
                .head = {},
@@ -257,8 +257,8 @@ static void *thread_dispatch_ust_registration(void *data)
                }
 
                do {
-                       struct ust_app *app = NULL;
-                       ust_cmd = NULL;
+                       struct ust_app *app = nullptr;
+                       ust_cmd = nullptr;
 
                        /*
                         * Make sure we don't have node(s) that have hung up before receiving
@@ -271,7 +271,7 @@ static void *thread_dispatch_ust_registration(void *data)
                        /* Dequeue command for registration */
                        node = cds_wfcq_dequeue_blocking(&notifiers->ust_cmd_queue->head,
                                                         &notifiers->ust_cmd_queue->tail);
-                       if (node == NULL) {
+                       if (node == nullptr) {
                                DBG("Woken up but nothing in the UST command queue");
                                /* Continue thread execution */
                                break;
@@ -300,7 +300,7 @@ static void *thread_dispatch_ust_registration(void *data)
                                        }
                                        lttng_fd_put(LTTNG_FD_APPS, 1);
                                        free(ust_cmd);
-                                       ust_cmd = NULL;
+                                       ust_cmd = nullptr;
                                        goto error;
                                }
                                CDS_INIT_LIST_HEAD(&wait_node->head);
@@ -314,9 +314,9 @@ static void *thread_dispatch_ust_registration(void *data)
                                        }
                                        lttng_fd_put(LTTNG_FD_APPS, 1);
                                        free(wait_node);
-                                       wait_node = NULL;
+                                       wait_node = nullptr;
                                        free(ust_cmd);
-                                       ust_cmd = NULL;
+                                       ust_cmd = nullptr;
                                        continue;
                                }
                                /*
@@ -327,7 +327,7 @@ static void *thread_dispatch_ust_registration(void *data)
                                wait_queue.count++;
 
                                free(ust_cmd);
-                               ust_cmd = NULL;
+                               ust_cmd = nullptr;
                                /*
                                 * We have to continue here since we don't have the notify
                                 * socket and the application MUST be added to the hash table
@@ -348,7 +348,7 @@ static void *thread_dispatch_ust_registration(void *data)
                                                wait_queue.count--;
                                                app = wait_node->app;
                                                free(wait_node);
-                                               wait_node = NULL;
+                                               wait_node = nullptr;
                                                DBG3("UST app notify socket %d is set",
                                                     ust_cmd->sock);
                                                break;
@@ -368,7 +368,7 @@ static void *thread_dispatch_ust_registration(void *data)
                                        lttng_fd_put(LTTNG_FD_APPS, 1);
                                }
                                free(ust_cmd);
-                               ust_cmd = NULL;
+                               ust_cmd = nullptr;
                        }
 
                        if (app) {
@@ -443,7 +443,7 @@ static void *thread_dispatch_ust_registration(void *data)
                                rcu_read_unlock();
                                session_unlock_list();
                        }
-               } while (node != NULL);
+               } while (node != nullptr);
 
                health_poll_entry();
                /* Futex wait on queue. Blocking call on futex() */
@@ -466,7 +466,7 @@ error:
                /* Dequeue command for registration */
                node = cds_wfcq_dequeue_blocking(&notifiers->ust_cmd_queue->head,
                                                 &notifiers->ust_cmd_queue->tail);
-               if (node == NULL) {
+               if (node == nullptr) {
                        break;
                }
                ust_cmd = lttng::utils::container_of(node, &ust_command::node);
@@ -486,7 +486,7 @@ error_testpoint:
        }
        health_unregister(the_health_sessiond);
        rcu_unregister_thread();
-       return NULL;
+       return nullptr;
 }
 
 static bool shutdown_ust_dispatch_thread(void *data)