Implement file reloading

When for examplue using formatters or doing vc updates, it is useful
if the file is reloaded from disk.

1 files changed, 13 insertions, 0 deletions

diff --git a/src/dged/reactor.h b/src/dged/reactor.h
index e54afda..1fa014d 100644
--- a/src/dged/reactor.h
+++ b/src/dged/reactor.h
@@ -6,6 +6,16 @@ enum interest {
   WriteInterest = 2,
 };
 
+enum file_event_type {
+  FileWritten = 1 << 0,
+  LastEvent = 1 << 1,
+};
+
+struct file_event {
+  uint32_t mask;
+  uint32_t id;
+};
+
 struct reactor;
 
 struct reactor *reactor_create();
@@ -14,4 +24,7 @@ void reactor_update(struct reactor *reactor);
 bool reactor_poll_event(struct reactor *reactor, uint32_t ev_id);
 uint32_t reactor_register_interest(struct reactor *reactor, int fd,
                                    enum interest interest);
+uint32_t reactor_watch_file(struct reactor *reactor, const char *path, uint32_t mask);
+void reactor_unwatch_file(struct reactor *reactor, uint32_t id);
+bool reactor_next_file_event(struct reactor *reactor, struct file_event *out);
 void reactor_unregister_interest(struct reactor *reactor, uint32_t ev_id);