goto end;
}
- if (handle->cmd_queue.event_fd < 0) {
- goto end;
- }
- ret = close(handle->cmd_queue.event_fd);
- if (ret < 0) {
- PERROR("close notification command queue event_fd");
- }
-
assert(cds_list_empty(&handle->cmd_queue.list));
pthread_mutex_destroy(&handle->cmd_queue.lock);
+ if (handle->cmd_queue.event_pipe) {
+ lttng_pipe_destroy(handle->cmd_queue.event_pipe);
+ }
if (handle->channel_monitoring_pipes.ust32_consumer >= 0) {
ret = close(handle->channel_monitoring_pipes.ust32_consumer);
if (ret) {
{
int ret;
struct notification_thread_handle *handle;
+ struct lttng_pipe *event_pipe = NULL;
handle = zmalloc(sizeof(*handle));
if (!handle) {
goto end;
}
- /* FIXME Replace eventfd by a pipe to support older kernels. */
- handle->cmd_queue.event_fd = eventfd(0, EFD_CLOEXEC | EFD_SEMAPHORE);
- if (handle->cmd_queue.event_fd < 0) {
- PERROR("eventfd notification command queue");
+ event_pipe = lttng_pipe_open(FD_CLOEXEC);
+ if (!event_pipe) {
+ ERR("event_pipe creation");
goto error;
}
+
+ handle->cmd_queue.event_pipe = event_pipe;
+ event_pipe = NULL;
+
CDS_INIT_LIST_HEAD(&handle->cmd_queue.list);
ret = pthread_mutex_init(&handle->cmd_queue.lock, NULL);
if (ret) {
end:
return handle;
error:
+ lttng_pipe_destroy(event_pipe);
notification_thread_handle_destroy(handle);
return NULL;
}
if (getuid() == 0) {
ret = chown(sock_path, 0,
- utils_get_group_id(tracing_group_name));
+ utils_get_group_id(config.tracing_group_name.value));
if (ret) {
ERR("Failed to set the notification channel socket's group");
ret = -1;
ERR("[notification-thread] Failed to add notification channel socket to pollset");
goto error;
}
- ret = lttng_poll_add(poll_set, handle->cmd_queue.event_fd,
+ ret = lttng_poll_add(poll_set, lttng_pipe_get_readfd(handle->cmd_queue.event_pipe),
LPOLLIN | LPOLLERR);
if (ret < 0) {
ERR("[notification-thread] Failed to add notification command queue event fd to pollset");
assert(!ret);
}
if (state->channels_ht) {
- ret = cds_lfht_destroy(state->channels_ht,
- NULL);
+ ret = cds_lfht_destroy(state->channels_ht, NULL);
+ assert(!ret);
+ }
+ if (state->sessions_ht) {
+ ret = cds_lfht_destroy(state->sessions_ht, NULL);
assert(!ret);
}
-
if (state->notification_channel_socket >= 0) {
notification_channel_socket_destroy(
state->notification_channel_socket);
if (!state->channels_ht) {
goto error;
}
-
+ state->sessions_ht = cds_lfht_new(DEFAULT_HT_SIZE,
+ 1, 0, CDS_LFHT_AUTO_RESIZE | CDS_LFHT_ACCOUNTING, NULL);
+ if (!state->sessions_ht) {
+ goto error;
+ }
state->triggers_ht = cds_lfht_new(DEFAULT_HT_SIZE,
1, 0, CDS_LFHT_AUTO_RESIZE | CDS_LFHT_ACCOUNTING, NULL);
if (!state->triggers_ht) {
ERR("[notification-thread] Unexpected poll events %u for notification socket %i", revents, fd);
goto error;
}
- } else if (fd == handle->cmd_queue.event_fd) {
+ } else if (fd == lttng_pipe_get_readfd(handle->cmd_queue.event_pipe)) {
ret = handle_notification_thread_command(handle,
&state);
if (ret < 0) {