-int sessiond_check_thread_quit_pipe(int fd, uint32_t events)
-{
- return (fd == thread_quit_pipe[0] && (events & LPOLLIN)) ? 1 : 0;
-}
-
-/* Notify parents that we are ready for cmd and health check */
-LTTNG_HIDDEN
-void sessiond_signal_parents(void)
-{
- /*
- * Notify parent pid that we are ready to accept command
- * for client side. This ppid is the one from the
- * external process that spawned us.
- */
- if (config.sig_parent) {
- kill(ppid, SIGUSR1);
- }
-
- /*
- * Notify the parent of the fork() process that we are
- * ready.
- */
- if (config.daemonize || config.background) {
- kill(child_ppid, SIGUSR1);
- }
-}
-
-LTTNG_HIDDEN
-void sessiond_notify_ready(void)
-{
- /*
- * This memory barrier is paired with the one performed by
- * the client thread after it has seen that 'lttng_sessiond_ready' is 0.
- *
- * The purpose of these memory barriers is to ensure that all
- * initialization operations of the various threads that call this
- * function to signal that they are ready are commited/published
- * before the client thread can see the 'lttng_sessiond_ready' counter
- * reach 0.
- *
- * Note that this could be a 'write' memory barrier, but a full barrier
- * is used in case the code using this utility changes. The performance
- * implications of this choice are minimal since this is a slow path.
- */
- cmm_smp_mb();
- uatomic_sub(<tng_sessiond_ready, 1);
-}
-
-static
-int __sessiond_set_thread_pollset(struct lttng_poll_event *events, size_t size,
- int *a_pipe)
-{
- int ret;