1 files changed, 47 insertions, 0 deletions
diff --git a/compat/fsmonitor/fsm-health.h b/compat/fsmonitor/fsm-health.h
new file mode 100644
index 0000000..45547ba
--- /dev/null
+++ b/compat/fsmonitor/fsm-health.h
@@ -0,0 +1,47 @@
+#ifndef FSM_HEALTH_H
+#define FSM_HEALTH_H
+
+/* This needs to be implemented by each backend */
+
+#ifdef HAVE_FSMONITOR_DAEMON_BACKEND
+
+struct fsmonitor_daemon_state;
+
+/*
+ * Initialize platform-specific data for the fsmonitor health thread.
+ * This will be called from the main thread PRIOR to staring the
+ * thread.
+ *
+ * Returns 0 if successful.
+ * Returns -1 otherwise.
+ */
+int fsm_health__ctor(struct fsmonitor_daemon_state *state);
+
+/*
+ * Cleanup platform-specific data for the health thread.
+ * This will be called from the main thread AFTER joining the thread.
+ */
+void fsm_health__dtor(struct fsmonitor_daemon_state *state);
+
+/*
+ * The main body of the platform-specific event loop to monitor the
+ * health of the daemon process.  This will run in the health thread.
+ *
+ * The health thread should call `ipc_server_stop_async()` if it needs
+ * to cause a shutdown.  (It should NOT do so if it receives a shutdown
+ * shutdown signal.)
+ *
+ * It should set `state->health_error_code` to -1 if the daemon should exit
+ * with an error.
+ */
+void fsm_health__loop(struct fsmonitor_daemon_state *state);
+
+/*
+ * Gently request that the health thread shutdown.
+ * It does not wait for it to stop.  The caller should do a JOIN
+ * to wait for it.
+ */
+void fsm_health__stop_async(struct fsmonitor_daemon_state *state);
+
+#endif /* HAVE_FSMONITOR_DAEMON_BACKEND */
+#endif /* FSM_HEALTH_H */