From 8fb55f56b6fcf2f7627330785ed540c5ea0834fc Mon Sep 17 00:00:00 2001
From: Drew Galbraith <dgalbraith33@gmail.com>
Date: Sat, 24 Feb 2024 15:12:21 -0800
Subject: [PATCH] [Yellowstone] Start teton after voyageurs is available.

---
 sys/yellowstone/yellowstone.cpp        | 4 ++++
 sys/yellowstone/yellowstone_server.cpp | 4 ++++
 sys/yellowstone/yellowstone_server.h   | 2 ++
 3 files changed, 10 insertions(+)

diff --git a/sys/yellowstone/yellowstone.cpp b/sys/yellowstone/yellowstone.cpp
index 5efc089..2c85a99 100644
--- a/sys/yellowstone/yellowstone.cpp
+++ b/sys/yellowstone/yellowstone.cpp
@@ -49,6 +49,10 @@ uint64_t main(uint64_t port_cap) {
 
   for (glcr::StringView& file : files) {
     if (!file.empty()) {
+      // TODO: Implement startup dependencies.
+      if (file == "teton") {
+        server->WaitVoyageursRegistered();
+      }
       mmth::File binary = mmth::File::Open(glcr::StrFormat("/bin/{}", file));
 
       ASSIGN_OR_RETURN(client_cap, server->CreateClientCap());
diff --git a/sys/yellowstone/yellowstone_server.cpp b/sys/yellowstone/yellowstone_server.cpp
index 999adfb..1c6af61 100644
--- a/sys/yellowstone/yellowstone_server.cpp
+++ b/sys/yellowstone/yellowstone_server.cpp
@@ -113,6 +113,8 @@ glcr::Status YellowstoneServer::HandleRegisterEndpoint(
     // transmit to other processes.
     mmth::SetVfsCap(req.endpoint_capability());
     has_victoriafalls_semaphore_.Signal();
+  } else if (req.endpoint_name() == "voyageurs") {
+    has_voyageurs_.Signal();
   } else {
     dbgln("[WARN] Got endpoint cap type: {}", req.endpoint_name().cstr());
   }
@@ -138,4 +140,6 @@ void YellowstoneServer::WaitVictoriaFallsRegistered() {
   has_victoriafalls_semaphore_.Wait();
 }
 
+void YellowstoneServer::WaitVoyageursRegistered() { has_voyageurs_.Wait(); }
+
 }  // namespace yellowstone
diff --git a/sys/yellowstone/yellowstone_server.h b/sys/yellowstone/yellowstone_server.h
index c9bf99b..ac67fa7 100644
--- a/sys/yellowstone/yellowstone_server.h
+++ b/sys/yellowstone/yellowstone_server.h
@@ -25,6 +25,7 @@ class YellowstoneServer : public YellowstoneServerBase {
 
   void WaitDenaliRegistered();
   void WaitVictoriaFallsRegistered();
+  void WaitVoyageursRegistered();
 
  private:
   glcr::HashMap<glcr::String, z_cap_t> endpoint_map_;
@@ -37,6 +38,7 @@ class YellowstoneServer : public YellowstoneServerBase {
 
   mmth::Semaphore has_denali_semaphore_;
   mmth::Semaphore has_victoriafalls_semaphore_;
+  mmth::Semaphore has_voyageurs_;
 
   YellowstoneServer(z_cap_t endpoint_cap);
 };